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Production Examples

Manufacturing

Simple one-process manufacturing with typical inputs and outputs.

manufacturing diagram reflecting the yaml below

# Example: Simple manufacturing process

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    mfg: https://manufacturing.example/

'@graph':

  # Economic resources before

  - '@id': mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    conformsTo: https://www.opendesk.cc/lean/desk # desk
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 8

  - '@id': mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': EconomicResource
    conformsTo: wd:Q219803 # plywood
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 130
    note: 4 x 8 sheet of 1/2 inch plywood

  - '@id': mfg:6b97b1be-8e07-44ac-82e5-214f1b2aaf33
    '@type': EconomicResource
    conformsTo: wd:Q2101564 # desk design specification
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicResource
    conformsTo: wd:Q13231055 # CNC machine
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  # Production

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Make the lean desk

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 3
    hasInput:

    - '@id': mfg:b90b0b77-09a2-42e2-8bd4-e9ae2c1c6172
      '@type': EconomicEvent
      action: use
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:52f0e212-3c4f-4d27-b345-5e964c135824 # CNC machine
      effortQuantity:
        hasUnit: hour
        hasNumericalValue: 3.5

    - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
      '@type': EconomicEvent
      action: cite
      provider: https://makezine.com/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:6b97b1be-8e07-44ac-82e5-214f1b2aaf33 # desk design specification
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': mfg:6f438393-7f87-4914-806c-e23a4fd15e89
      '@type': EconomicEvent
      action: work
      provider: https://alice.example/
      receiver: https://manufacturing.example/
      resourceConformsTo: wd:Q192047 # machining
      effortQuantity:
        hasUnit: hour
        hasNumericalValue: 7

    hasOutput:

    - '@id': mfg:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
      '@type': EconomicEvent
      action: produce
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # desk
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

  # Economic resources after

  - '@id': mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: https://www.opendesk.cc/lean/desk # desk
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 9

  - '@id': mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': EconomicResource
    conformsTo: wd:Q219803 # plywood
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 127
    note: 4 x 8 sheet of 1/2 inch plywood

  - '@id': mfg:6b97b1be-8e07-44ac-82e5-214f1b2aaf33
    '@type': EconomicResource
    conformsTo: wd:Q2101564 # desk design specification
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicResource
    conformsTo: wd:Q13231055 # CNC machine
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
Alternate view of this manufacturing example, using the relational directionality between Process and EconomicEvent. 
# Example: Simple manufacturing process

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    mfg: https://manufacturing.example/

'@graph':

  # Production

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Make the lean desk

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 3

  - '@id': mfg:b90b0b77-09a2-42e2-8bd4-e9ae2c1c6172
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: use
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:52f0e212-3c4f-4d27-b345-5e964c135824 # CNC machine
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 3.5

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: cite
    provider: https://makezine.com/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:6b97b1be-8e07-44ac-82e5-214f1b2aaf33 # desk design specification
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': mfg:6f438393-7f87-4914-806c-e23a4fd15e89
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: work
    provider: https://alice.example/
    receiver: https://manufacturing.example/
    resourceConformsTo: wd:Q192047 # machining
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 7

  - '@id': mfg:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: produce
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # desk
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

Service

Simple delivery of a service with typical inputs and outputs.

service diagram reflecting the yaml below

# Example: Simple service process

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    bob: https://bob.example/
    carol: https://carol.example/
    training: https://training.example/

'@graph':

  # Economic resources and specifications

  - '@id': training:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': ResourceSpecification
    name: 3D printing 1 day hands-on workshop
    classifiedAs: [ wd:Q27556165, wd:Q229367 ] # workshop, 3d printing

  - '@id': training:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': ResourceSpecification
    name: 3D printing workshop handout
    note: 3D printing class handout for the one day hands-on class, including exercises and review

  - '@id': training:f438393-7f87-4914-806c-e23a4fd15e89
    '@type': ResourceSpecification
    name: 3D printing training
    note: In-house certified training on 3D printing

  - '@id': training:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    conformsTo: wd:Q53953506 # 3D printer
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': training:6b97b1be-8e07-44ac-82e5-214f1b2aaf33
    '@type': EconomicResource
    conformsTo: training:52f0e212-3c4f-4d27-b345-5e964c135824 # 3D printing class handout
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 100

  # Service delivery

  - '@id': training:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Give the 3D printing workshop
    hasInput:

    - '@id': training:b90b0b77-09a2-42e2-8bd4-e9ae2c1c617
      '@type': EconomicEvent
      action: consume
      provider: https://training.example/
      receiver: https://training.example/
      resourceInventoriedAs: training:6b97b1be-8e07-44ac-82e5-214f1b2aaf33 # workshop handout
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 3

    - '@id': training:b52a5815-fae9-43bf-be95-833b95dc0adb
      '@type': EconomicEvent
      action: use
      provider: https://training.example/
      receiver: https://training.example/
      resourceInventoriedAs: training:e1721a61-cd47-4556-84b9-8b1b81da15bf # 3D printer
      effortQuantity:
        hasUnit: hour
        hasNumericalValue: 8

    - '@id': training:a8236bbb-81e0-422d-9861-56d2417db0fb
      '@type': EconomicEvent
      action: work
      provider: https://training.example/
      receiver: https://training.example/
      resourceConformsTo: training:f438393-7f87-4914-806c-e23a4fd15e89 # 3D printer training
      effortQuantity:
        hasUnit: hour
        hasNumericalValue: 8

    hasOutput:

    - '@id': training:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
      '@type': EconomicEvent
      action: deliverService
      provider: https://training.example/
      receiver: https://alice.example/
      resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': training:583e83d9-a46d-44ff-bd71-88513a1d83c0
      '@type': EconomicEvent
      action: deliverService
      provider: https://training.example/
      receiver: https://bob.example/
      resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': training:e4783bef-9006-490c-9c03-389272c7444d
      '@type': EconomicEvent
      action: deliverService
      provider: https://training.example/
      receiver: https://carol.example/
      resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1
Alternate view of this service example, using the relational directionality between Process and EconomicEvent. 
# Example: Simple service process

'@context':
  - h'@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    bob: https://bob.example/
    carol: https://carol.example/
    training: https://training.example/

'@graph':
  # Service delivery

  - '@id': training:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Give the 3D printing workshop

  - '@id': training:b90b0b77-09a2-42e2-8bd4-e9ae2c1c617
    '@type': EconomicEvent
    inputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://training.example/
    receiver: https://training.example/
    resourceInventoriedAs: training:6b97b1be-8e07-44ac-82e5-214f1b2aaf33 # workshop handout
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 3

  - '@id': training:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: use
    provider: https://training.example/
    receiver: https://training.example/
    resourceInventoriedAs: training:e1721a61-cd47-4556-84b9-8b1b81da15bf # 3D printer
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 8

  - '@id': training:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: work
    provider: https://training.example/
    receiver: https://training.example/
    resourceConformsTo: training:f438393-7f87-4914-806c-e23a4fd15e89 # 3D printer training
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 8

  - '@id': training:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
    '@type': EconomicEvent
    outputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: deliverService
    provider: https://training.example/
    receiver: https://alice.example/
    resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': training:583e83d9-a46d-44ff-bd71-88513a1d83c0
    '@type': EconomicEvent
    outputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: deliverService
    provider: https://training.example/
    receiver: https://bob.example/
    resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': training:e4783bef-9006-490c-9c03-389272c7444d
    '@type': EconomicEvent
    outputOf: training:02b39a30-3e04-4305-9656-7f261aa63c84
    action: deliverService
    provider: https://training.example/
    receiver: https://carol.example/
    resourceConformsTo: training:3129ca8b-fcda-45be-bbda-294dc924d3b9 # one day 3D printing workshop
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

Workflow production

Simple repair process with typical inputs and outputs. The same economic resource goes into and out of the process(es).

workflow diagram reflecting the yaml below

# Example: Simple workflow process

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    repair: https://auto-repair.example/

'@graph':

  # Economic resource before

  - '@id': alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: http://opensourceecology.org/wiki/Wikispeed_SGT01 # car
    trackingIdentifier: JHMCD38698S061469
    primaryAccountable: https://alice.example/
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  # Repair process

  - '@id': repair:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Oil change JHMCD38698S061469
    note: Check over car, change oil (standard quantity).
    hasInput:

    - '@id': repair:a8236bbb-81e0-422d-9861-56d2417db0fb
      '@type': EconomicEvent
      action: accept
      provider: https://alice.example/
      receiver: https://auto-repair.example/
      resourceInventoriedAs: alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    hasOutput:

    - '@id': repair:52f0e212-3c4f-4d27-b345-5e964c135824
      '@type': EconomicEvent
      action: modify
      provider: https://auto-repair.example/
      receiver: https://alice.example/
      resourceInventoriedAs: alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

  # Economic resource after

  - '@id': alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: http://opensourceecology.org/wiki/Wikispeed_SGT01 # car
    trackingIdentifier: JHMCD38698S061469
    primaryAccountable: https://alice.example/
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
Alternate view of this workflow process, using the more relational directionality option. 
# Example: Simple workflow process

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    repair: https://auto-repair.example/

'@graph':

  # Repair process

  - '@id': repair:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Oil change JHMCD38698S061469
    note: Check over car, change oil (standard quantity).

  - '@id': repair:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: repair:02b39a30-3e04-4305-9656-7f261aa63c84
    action: accept
    provider: https://alice.example/
    receiver: https://auto-repair.example/
    resourceInventoriedAs: alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': repair:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicEvent
    inputOf: repair:02b39a30-3e04-4305-9656-7f261aa63c84
    action: modify
    provider: https://auto-repair.example/
    receiver: https://alice.example/
    resourceInventoriedAs: alice:e1721a61-cd47-4556-84b9-8b1b81da15bf
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

Combine and separate

Simple pack and unpack of resources into and out of a container resource, using combine and separate.

pack unpack diagram reflecting the yaml below

# Example: Simple pack and unpack processes

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - med: https://medical.example/
    wash: https://laundry.example/

'@graph':

  # Economic resources before

  - '@id': med:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    conformsTo: wd:Q987767 # container
    trackingIdentifier: cont234
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn:

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown789
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: 

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b0
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown734
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: 

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b1
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown698
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: 

  # Packing process

  - '@id': med:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Pack medical gowns
    note: Each gown is scanned for tracking identifier as packed
    hasInput:

    - '@id': med:b52a5815-fae9-43bf-be95-833b95dc0adb
      '@type': EconomicEvent
      action: combine
      provider: https://medical.example/
      receiver: https://medical.example/
      resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da15bf # a container
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1
      note: Container is empty at this point.

    - '@id': med:b90b0b77-09a2-42e2-8bd4-e9ae2c1c6172
      '@type': EconomicEvent
      action: combine
      provider: https://medical.example/
      receiver: https://medical.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b9 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': med:a8236bbb-81e0-422d-9861-56d2417db0fb
      '@type': EconomicEvent
      action: combine
      provider: https://medical.example/
      receiver: https://medical.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b0 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': med:6f438393-7f87-4914-806c-e23a4fd15e89
      '@type': EconomicEvent
      action: combine
      provider: https://medical.example/
      receiver: https://medical.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b1 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    hasOutput:

    - '@id': med:b52a5815-fae9-43bf-be95-833b95dc0456
      '@type': EconomicEvent
      action: produce
      provider: https://medical.example/
      receiver: https://medical.example/
      resourceConformsTo: wd:Q2127468 # packaging unit
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1
      note: This is a new resource, a package containing all inputs.

  # Economic resources after packing

  - '@id': med:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    conformsTo: wd:Q987767 # container
    trackingIdentifier: cont234
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: med:e1721a61-cd47-4556-84b9-8b1b81da564h

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown789
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: med:e1721a61-cd47-4556-84b9-8b1b81da564h

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b0
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown734
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: med:e1721a61-cd47-4556-84b9-8b1b81da564h

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b1
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown698
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: med:e1721a61-cd47-4556-84b9-8b1b81da564h

  - '@id': med:e1721a61-cd47-4556-84b9-8b1b81da564h
    '@type': EconomicResource
    conformsTo: wd:Q2127468 # packaging unit
    trackingIdentifier: pack6789
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  # The package is transferred to the laundry

  - '@id': med:b52a5815-fae9-43bf-be95-833berqojdasf7
    '@type': EconomicEvent
    action: transferCustody
    provider: https://medical.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da564h # the package
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    note: Contains gowns and container.

  # The package is unpacked at the laundry

  - '@id': wash:33e8933b-ff73-4a01-964a-ca7a98893083
    '@type': Process
    name: Unpack medical gowns
    note: Each gown is scanned for tracking identifier as unpacked
    hasInput:

    - '@id': wash:33e8933b-ff73-4a01-964a-ca7a98893
      '@type': EconomicEvent
      action: consume
      provider: https://laundry.example/
      receiver: https://laundry.example/
      resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da564h # the package
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    hasOutput:

    - '@id': wash:60f4204e-b8d2-4026-8577-102c3f82c0af
      '@type': EconomicEvent
      action: separate
      provider: https://laundry.example/
      receiver: https://laundry.example/
      resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da15bf # a container
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': wash:60f4204e-b8d2-4026-8577-102c3fkm98g1
      '@type': EconomicEvent
      action: separate
      provider: https://laundry.example/
      receiver: https://laundry.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b9 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': wash:60f4204e-b8d2-4026-8577-102c3fsd89cv
      '@type': EconomicEvent
      action: separate
      provider: https://laundry.example/
      receiver: https://laundry.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b0 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': wash:60f4204e-b8d2-4026-8577-102c3fd9kjre
      '@type': EconomicEvent
      action: separate
      provider: https://laundry.example/
      receiver: https://laundry.example/
      resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b1 # a medical gown
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

  # Economic resources after unpacking

  - '@id': med:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    conformsTo: wd:Q987767 # container
    trackingIdentifier: cont234
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b9
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown789
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn: 

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b0
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown734
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn:

  - '@id': med:3129ca8b-fcda-45be-bbda-294dc924d3b1
    '@type': EconomicResource
    conformsTo: wd:Q89990310 # medical gown
    trackingIdentifier: gown698
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    containedIn:
Alternate view of these pack-unpack processes, using the more relational directionality option. 
# Example: Simple pack and unpack processes

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - med: https://medical.example/
    wash: https://laundry.example/

'@graph':

  # Packing process

  - '@id': med:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Pack medical gowns
    note: Each gown is scanned for tracking identifier as packed

  - '@id': med:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: med:02b39a30-3e04-4305-9656-7f261aa63c84
    action: combine
    provider: https://medical.example/
    receiver: https://medical.example/
    resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da15bf # a container
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    note: Container is empty at this point.

  - '@id': med:b90b0b77-09a2-42e2-8bd4-e9ae2c1c6172
    '@type': EconomicEvent
    inputOf: med:02b39a30-3e04-4305-9656-7f261aa63c84
    action: combine
    provider: https://medical.example/
    receiver: https://medical.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b9 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': med:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: med:02b39a30-3e04-4305-9656-7f261aa63c84
    action: combine
    provider: https://medical.example/
    receiver: https://medical.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b0 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': med:6f438393-7f87-4914-806c-e23a4fd15e89
    '@type': EconomicEvent
    inputOf: med:02b39a30-3e04-4305-9656-7f261aa63c84
    action: combine
    provider: https://medical.example/
    receiver: https://medical.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b1 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': med:b52a5815-fae9-43bf-be95-833b95dc0456
    '@type': EconomicEvent
    outputOf: med:02b39a30-3e04-4305-9656-7f261aa63c84
    action: produce
    provider: https://medical.example/
    receiver: https://medical.example/
    resourceConformsTo: wd:Q2127468 # packaging unit
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    note: This is a new resource, a package containing all inputs.

  # The package is unpacked at the laundry

  - '@id': wash:33e8933b-ff73-4a01-964a-ca7a98893083
    '@type': Process
    name: Unpack medical gowns
    note: Each gown is scanned for tracking identifier as unpacked

  - '@id': wash:33e8933b-ff73-4a01-964a-ca7a98893
    '@type': EconomicEvent
    inputOf: wash:33e8933b-ff73-4a01-964a-ca7a98893083
    action: consume
    provider: https://laundry.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da564h # the package
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': wash:60f4204e-b8d2-4026-8577-102c3f82c0af
    '@type': EconomicEvent
    outputOf: wash:33e8933b-ff73-4a01-964a-ca7a98893083
    action: separate
    provider: https://laundry.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:e1721a61-cd47-4556-84b9-8b1b81da15bf # a container
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': wash:60f4204e-b8d2-4026-8577-102c3fkm98g1
    '@type': EconomicEvent
    outputOf: wash:33e8933b-ff73-4a01-964a-ca7a98893083
    action: separate
    provider: https://laundry.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b9 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': wash:60f4204e-b8d2-4026-8577-102c3fsd89cv
    '@type': EconomicEvent
    outputOf: wash:33e8933b-ff73-4a01-964a-ca7a98893083
    action: separate
    provider: https://laundry.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b0 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': wash:60f4204e-b8d2-4026-8577-102c3fd9kjre
    '@type': EconomicEvent
    outputOf: wash:33e8933b-ff73-4a01-964a-ca7a98893083
    action: separate
    provider: https://laundry.example/
    receiver: https://laundry.example/
    resourceInventoriedAs: med:3129ca8b-fcda-45be-bbda-294dc924d3b1 # a medical gown
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

Stage and state

Simple assembly and testing showing use of stage and state.

stage state diagram reflecting the yaml below

# Example: Process using stage and state
# credit Fabulaser-Mini, https://github.com/fab-machines/Fabulaser-Mini/blob/main/manual/Fabulaser%20manual%20L2M2.pdf

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - mfg: https://manufacturing.example/

'@graph':

  # Process Specifications

  - '@id': mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3
    '@type': ProcessSpecification
    name: Attach air filter

  - '@id': mfg:3be5259d-10f0-431c-9fec-9c0c15a461e4
    '@type': ProcessSpecification
    name: Attach air compressor

  - '@id': mfg:3be5259d-10f0-431c-9fec-9c0c15a461f9
    '@type': ProcessSpecification
    name: Test machine

  # Resource Specification

  - '@id': mfg:3be525ee-10f0-431c-9fec-9c0c15a4dv97
    '@type': ResourceSpecification
    name: Fabulaser laser cutter

  # Economic resource before attach air filter process

  - '@id': mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: mfg:3be525ee-10f0-431c-9fec-9c0c15a4dv97 # Fabulaser
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:3be5259d-10f0-431c-9fec-9c0c15a461e4 # attach air compressor

  # Assembly process

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Attach the air filter (step 33)
    basedOn: mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3 # process specification: attach air filter
    hasInput:

    - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
      '@type': EconomicEvent
      action: accept
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1
      stage: mfg:3be5259d-10f0-431c-9fec-9c0c15a461e4 # attach air compressor

    - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0ss
      '@type': EconomicEvent
      action: consume
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81dlk4d0 # an air filter
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0st
      '@type': EconomicEvent
      action: consume
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81dlcvgk # a hose clamp
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

    hasOutput:

    - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
      '@type': EconomicEvent
      action: modify
      provider: https://manufacturing.example/
      receiver: https://manufacturing.example/
      resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
      resourceQuantity:
        hasUnit: one
        hasNumericalValue: 1

  # Economic resource after attach air filter process

  - '@id': mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: mfg:3be525ee-10f0-431c-9fec-9c0c15a4dv97 # Fabulaser
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3 # attach air filter

  # Testing process

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    '@type': Process
    name: Test the laser cutter
    basedOn: mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3 # final test after all assembly

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    action: accept
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:02b39a30-3e04-4305-9656-7f261aa63c84 #attach air filter

  - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    action: modify
    state: pass
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  # Economic resource after testing

  - '@id': mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf
    '@type': EconomicResource
    resourceConformsTo: mfg:3be525ee-10f0-431c-9fec-9c0c15a4dv97 # Fabulaser
    accountingQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:02b39a30-3e04-4305-9656-7f261aa63c98 # test machine
    state: pass
Alternate view of these stage-state processes, using the more relational directionality option. 
# Example: Process using stage and state
# credit Fabulaser-Mini, https://github.com/fab-machines/Fabulaser-Mini/blob/main/manual/Fabulaser%20manual%20L2M2.pdf

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - mfg: https://manufacturing.example/

'@graph':

  # Assembly process

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Attach the air filter (step 33)
    basedOn: mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3 # process specification: attach air filter

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: accept
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:3be5259d-10f0-431c-9fec-9c0c15a461e4 # attach air compressor

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0ss
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81dlk4d0 # an air filter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0st
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81dlcvgk # a hose clamp
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: modify
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

  # Testing process

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    '@type': Process
    name: Test the laser cutter
    basedOn: mfg:3be5259d-10f0-431c-9fec-9c0c15a461d3 # final test after all assembly

  - '@id': mfg:a8236bbb-81e0-422d-9861-56d2417db0fb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    action: accept
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    stage: mfg:02b39a30-3e04-4305-9656-7f261aa63c84 #attach air filter

  - '@id': mfg:52f0e212-3c4f-4d27-b345-5e964c135824
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c98
    action: modify
    state: pass
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # a laser cutter
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1

Correcting errors

Simple one-process manufacturing with corrections.

Note that the diagram below shows the actual data in the flow. If a use case calls for it, the events can be combined on a user interface so that a "corrected" event would be displayed, for example just "work 6 hours machining" and "consume 5 plywood sheets" as the two inputs to this process. In that case, you could show all of events, including the correcting events, in another view.

event correction diagram reflecting the yaml below

# Example: Correcting a data recording error in an event

'@context':
  - '@vocab': http://w3id.org/valueflows/ont/vf#
  - alice: https://alice.example/
    mfg: https://manufacturing.example/

'@graph':

  # Before corrections

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Make the lean desk

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 3
    hasPointInTime: 2019-04-08T10:00:00-5:00
    created: 2019-04-08T18:00:00-5:00

  - '@id': mfg:6f438393-7f87-4914-806c-e23a4fd15e89
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: work
    provider: https://alice.example/
    receiver: https://manufacturing.example/
    resourceConformsTo: wd:Q192047 # machining
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 7
    hasBeginning: 2019-04-08T10:30:00-5:00
    hasEnd: 2019-04-08T16:30:00-5:00
    created: 2019-04-08T18:00:00-5:00

  - '@id': mfg:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: produce
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # desk
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    hasPointInTime: 2019-04-08T17:30:00-5:00
    created: 2019-04-08T18:02:00-5:00

  # After corrections

  - '@id': mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    '@type': Process
    name: Make the lean desk

  # original consume event

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0adb
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 3
    hasPointInTime: 2019-04-08T10:00:00-5:00
    created: 2019-04-08T18:00:00-5:00

  # the consume event is backed out completely and a new event entered to replace it

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0sdf
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: -3
    hasPointInTime: 2019-04-08T18:00:00-5:00
    created: 2019-04-08T18:00:00-5:00
    corrects: mfg:b52a5815-fae9-43bf-be95-833b95dc0adb

  - '@id': mfg:b52a5815-fae9-43bf-be95-833b95dc0yu8
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: consume
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:3129ca8b-fcda-45be-bbda-294dc924d3b9 # plywood sheets
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 5
    hasPointInTime: 2019-04-08T10:00:00-5:00
    created: 2019-04-08T18:01:00-5:00

  # original work event

  - '@id': mfg:6f438393-7f87-4914-806c-e23a4fd15e89
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: work
    provider: https://alice.example/
    receiver: https://manufacturing.example/
    resourceConformsTo: wd:Q192047 # machining
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: 7
    hasBeginning: 2019-04-08T10:30:00-5:00
    hasEnd: 2019-04-08T16:30:00-5:00
    created: 2019-04-08T18:00:00-5:00

  # the work event is corrected without backing it out completely

  - '@id': mfg:6f438393-7f87-4914-806c-e23a4fd158uj
    '@type': EconomicEvent
    inputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: work
    provider: https://alice.example/
    receiver: https://manufacturing.example/
    resourceConformsTo: wd:Q192047 # machining
    effortQuantity:
      hasUnit: hour
      hasNumericalValue: -1
    hasBeginning: 2019-04-08T10:30:00-5:00
    hasEnd: 2019-04-08T16:30:00-5:00
    created: 2019-04-08T18:00:00-5:00
    corrects: mfg:6f438393-7f87-4914-806c-e23a4fd15e89

  # the produce event is not corrected

  - '@id': mfg:d4d2fd71-34f2-41c3-b1c5-19ad5ed2da59
    '@type': EconomicEvent
    outputOf: mfg:02b39a30-3e04-4305-9656-7f261aa63c84
    action: produce
    provider: https://manufacturing.example/
    receiver: https://manufacturing.example/
    resourceInventoriedAs: mfg:e1721a61-cd47-4556-84b9-8b1b81da15bf # desk
    resourceQuantity:
      hasUnit: one
      hasNumericalValue: 1
    hasPointInTime: 2019-04-08T17:30:00-5:00
    created: 2019-04-08T18:02:00-5:00