Lustrum A.S.C./A.V.S.V.
type: MusicGroup
popularity: 37
followers: 590
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0a64fd238b2904cd2fffb69a591c582abd30a31454d2550d87cbd8bc9a39c41c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd5259e1-14a0-46cd-92fc-50e41cbf50d1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd5259e1-14a0-46cd-92fc-50e41cbf50d1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd5259e1-14a0-46cd-92fc-50e41cbf50d1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0a64fd238b2904cd2fffb69a591c582abd30a31454d2550d87cbd8bc9a39c41c","name":"Lustrum A.S.C./A.V.S.V.","registered_at":"2026-06-12T11:34:48Z","symbol":"NIM0285464","token_address":"0x2ad322bcee15d8ff9070e445896203c18b6bc14e","type":"artist","uuid":"dd5259e1-14a0-46cd-92fc-50e41cbf50d1"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a64fd238b2904cd2fffb69a591c582abd30a31454d2550d87cbd8bc9a39c41c. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd5259e1-14a0-46cd-92fc-50e41cbf50d1.json and https://artists.proofprofile.net/proofs/artist/dd5259e1-14a0-46cd-92fc-50e41cbf50d1.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0x0a64fd238b2904cd2fffb69a591c582abd30a31454d2550d87cbd8bc9a39c41c","name":"Lustrum A.S.C./A.V.S.V.","registered_at":"2026-06-12T11:34:48Z","symbol":"NIM0285464","token_address":"0x2ad322bcee15d8ff9070e445896203c18b6bc14e","type":"artist","uuid":"dd5259e1-14a0-46cd-92fc-50e41cbf50d1"}
album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
  track: Onoverwinnelijk
    type: MusicRecording
    duration: PT3M9S
    duration ms: 189976
    explicit: false
    by artist: INVICTA
    by artist: Lustrum A.S.C./A.V.S.V.
    by artist: Lotte Brunekreef
    in album: Invicta
      type: MusicAlbum
      date published: 2022-09-07
    isrc code: TCAGA2275504
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-11T23:01:33+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953536
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953536
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/3kAP3ZbQI6UQSpg8qHsvu7.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kAP3ZbQI6UQSpg8qHsvu7
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kAP3ZbQI6UQSpg8qHsvu7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kAP3ZbQI6UQSpg8qHsvu7.
      date published: 2026-06-13T17:25:41Z
  track: Lichte Voetjes
    type: MusicRecording
    duration: PT2M31S
    duration ms: 151038
    explicit: false
    by artist: INVICTA
    by artist: Lustrum A.S.C./A.V.S.V.
    by artist: Tom Sloos
    by artist: Pico Visser
    in album: Invicta
      type: MusicAlbum
      date published: 2022-09-07
    isrc code: TCAGC2210570
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-09T05:30:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953528
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953528
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1G47XGzg6mxURMfWMluP7i.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1G47XGzg6mxURMfWMluP7i
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"1G47XGzg6mxURMfWMluP7i","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1G47XGzg6mxURMfWMluP7i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1G47XGzg6mxURMfWMluP7i.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"1G47XGzg6mxURMfWMluP7i","type":"track"}
  track: Windvlaag
    type: MusicRecording
    duration: PT3M8S
    duration ms: 188102
    explicit: false
    by artist: INVICTA
    by artist: Lustrum A.S.C./A.V.S.V.
    by artist: Pepino Mansana
    in album: Invicta
      type: MusicAlbum
      date published: 2022-09-07
    isrc code: TCAGF2264700
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T10:48:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953536
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953536
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/43dKro3V0Cf5ycUIDObiFb.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43dKro3V0Cf5ycUIDObiFb
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43dKro3V0Cf5ycUIDObiFb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43dKro3V0Cf5ycUIDObiFb.
      date published: 2026-06-13T17:25:41Z
  track: Liefde Van De Derde
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201769
    explicit: false
    by artist: INVICTA
    by artist: Lustrum A.S.C./A.V.S.V.
    by artist: Gijs Stenfert
    by artist: Noor Niezen
    by artist: Cray Flax
    in album: Invicta
      type: MusicAlbum
      date published: 2022-09-07
    isrc code: TCAGF2264836
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
    additional property: OTSHash
    additional property: OTSBitcoinBlock
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Amsterdam Is Anders
  track: Dansvloer
  track: Dit Gevoel
album: Wilde Haren
album: Mannenliefde
album: Onverwoestbaar
album: Dit Gevoel
album: Dansvloer
album: Amsterdam Is Anders
album: Windvlaag
album: Lichte Voetjes
album: Onoverwinnelijk
album: Heimwee
album: Nog Heel Even
album: Jij Bepaalt De Koers
album: Vanavond Ga Ik Even Naar Het Corps
album: Linkerbaan
album: Springstof
album: Apocalyps
album: Liefde Van De Derde
track: Onoverwinnelijk
track: Lichte Voetjes
track: Windvlaag
track: Liefde Van De Derde
track: Amsterdam Is Anders
track: Dansvloer
track: Dit Gevoel
track: Wilde Haren
track: Mannenliefde
track: Onverwoestbaar
track: Heimwee
track: Nog Heel Even
track: Jij Bepaalt De Koers
track: Vanavond Ga Ik Even Naar Het Corps

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-07T17:01:39+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/1LXC8GYHGgXBeZe9GFuB6B.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LXC8GYHGgXBeZe9GFuB6B

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9","isrc":"TCAGF2264836","name":"Liefde Van De Derde","registered_at":"2026-06-07T17:01:39Z","spotify_id":"1LXC8GYHGgXBeZe9GFuB6B","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LXC8GYHGgXBeZe9GFuB6B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LXC8GYHGgXBeZe9GFuB6B.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9","isrc":"TCAGF2264836","name":"Liefde Van De Derde","registered_at":"2026-06-07T17:01:39Z","spotify_id":"1LXC8GYHGgXBeZe9GFuB6B","type":"track"}

Amsterdam Is Anders
type: MusicRecording
duration: PT3M7S
duration ms: 187031
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Gijs Stenfert
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2219815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:39:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1AN9A4YYnA1JgdumKaDbVL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AN9A4YYnA1JgdumKaDbVL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"1AN9A4YYnA1JgdumKaDbVL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1AN9A4YYnA1JgdumKaDbVL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AN9A4YYnA1JgdumKaDbVL.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"1AN9A4YYnA1JgdumKaDbVL","type":"track"}

Dansvloer
type: MusicRecording
duration: PT2M58S
duration ms: 178589
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Connor Wilcox
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2218861
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T12:27:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5du1zn60pxcNQ56rVUgFrd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5du1zn60pxcNQ56rVUgFrd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5du1zn60pxcNQ56rVUgFrd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5du1zn60pxcNQ56rVUgFrd.
  date published: 2026-07-02T03:30:09Z

Dit Gevoel
type: MusicRecording
duration: PT2M55S
duration ms: 175195
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Gijs Stenfert
by artist: Marie Wibaut
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2286757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:06:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3OXn92z2XfA6OKGQ1Vu8uQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OXn92z2XfA6OKGQ1Vu8uQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63","isrc":"TCAGI2286757","name":"Dit Gevoel","registered_at":"2026-06-09T02:06:35Z","spotify_id":"3OXn92z2XfA6OKGQ1Vu8uQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3OXn92z2XfA6OKGQ1Vu8uQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OXn92z2XfA6OKGQ1Vu8uQ.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63","isrc":"TCAGI2286757","name":"Dit Gevoel","registered_at":"2026-06-09T02:06:35Z","spotify_id":"3OXn92z2XfA6OKGQ1Vu8uQ","type":"track"}

Wilde Haren
type: MusicAlbum
date published: 2024-04-09
track: Wilde Haren
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192660
  explicit: false
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Marie Wibaut
  in album: Wilde Haren
    type: MusicAlbum
    date published: 2024-04-09
  isrc code: QZHNC2416072
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:25:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/76CiyUtRnw88ciHlx1Mk6w.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76CiyUtRnw88ciHlx1Mk6w
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b","isrc":"QZHNC2416072","name":"Wilde Haren","registered_at":"2026-06-04T14:25:11Z","spotify_id":"76CiyUtRnw88ciHlx1Mk6w","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76CiyUtRnw88ciHlx1Mk6w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76CiyUtRnw88ciHlx1Mk6w.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b","isrc":"QZHNC2416072","name":"Wilde Haren","registered_at":"2026-06-04T14:25:11Z","spotify_id":"76CiyUtRnw88ciHlx1Mk6w","type":"track"}

Mannenliefde
type: MusicAlbum
date published: 2024-03-01
track: Mannenliefde
  type: MusicRecording
  duration: PT2M6S
  duration ms: 126818
  explicit: false
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Tom Hindriks
  in album: Mannenliefde
    type: MusicAlbum
    date published: 2024-03-01
  isrc code: QZES92401106
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T07:37:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b6422a70cde32f3c5cde00cced1bac307b3e4bda98d8295af0133da88afd3d1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0Sl78CItuZ2kt69vZHOACj.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Sl78CItuZ2kt69vZHOACj
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b6422a70cde32f3c5cde00cced1bac307b3e4bda98d8295af0133da88afd3d1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Sl78CItuZ2kt69vZHOACj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Sl78CItuZ2kt69vZHOACj.
    date published: 2026-06-13T17:25:41Z

Onverwoestbaar
type: MusicAlbum
date published: 2023-10-06
track: Onverwoestbaar
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195584
  explicit: false
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Onverwoestbaar
  by artist: Connor Wilcox
  in album: Onverwoestbaar
    type: MusicAlbum
    date published: 2023-10-06
  isrc code: TCAHM2366408
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-20T18:42:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfdfab026a73034cba6b244210ebd9634cf406b31485bd7373a3f5df0a07b1c8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2qlslvDlSTuPwn2k9KrMs9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qlslvDlSTuPwn2k9KrMs9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdfab026a73034cba6b244210ebd9634cf406b31485bd7373a3f5df0a07b1c8f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qlslvDlSTuPwn2k9KrMs9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qlslvDlSTuPwn2k9KrMs9.
    date published: 2026-07-02T03:30:09Z

Dit Gevoel
type: MusicAlbum
date published: 2022-07-26
track: Dit Gevoel
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175195
  explicit: false
  by artist: INVICTA
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Marie Wibaut
  by artist: Gijs Stenfert
  in album: Dit Gevoel
    type: MusicAlbum
    date published: 2022-07-26
  isrc code: TCAGI2286757
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T02:06:35+00:00

Dansvloer
type: MusicAlbum
date published: 2022-07-15
track: Dansvloer
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178589
  explicit: false
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: INVICTA
  by artist: Connor Wilcox
  in album: Dansvloer
    type: MusicAlbum
    date published: 2022-07-15
  isrc code: TCAGI2218861
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T12:27:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956894
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956894
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4V2OMry1K8vGL3oKT6MF0i.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4V2OMry1K8vGL3oKT6MF0i
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4V2OMry1K8vGL3oKT6MF0i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4V2OMry1K8vGL3oKT6MF0i.
    date published: 2026-07-06T07:53:57Z

Amsterdam Is Anders
type: MusicAlbum
date published: 2022-07-15
track: Amsterdam Is Anders
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187031
  explicit: false
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: INVICTA
  by artist: Gijs Stenfert
  in album: Amsterdam Is Anders
    type: MusicAlbum
    date published: 2022-07-15
  isrc code: TCAGI2219815
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:39:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/4YQTtQKryQ1p9YdXTn4LwQ.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YQTtQKryQ1p9YdXTn4LwQ
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"4YQTtQKryQ1p9YdXTn4LwQ","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4YQTtQKryQ1p9YdXTn4LwQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YQTtQKryQ1p9YdXTn4LwQ.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"4YQTtQKryQ1p9YdXTn4LwQ","type":"track"}

Windvlaag
type: MusicAlbum
date published: 2022-05-25
track: Windvlaag
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188102
  explicit: false
  by artist: INVICTA
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Pepino Mansana
  in album: Windvlaag
    type: MusicAlbum
    date published: 2022-05-25
  isrc code: TCAGF2264700
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T10:48:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6s9htUejBaEv0m5uRWRUmA.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s9htUejBaEv0m5uRWRUmA
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6s9htUejBaEv0m5uRWRUmA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s9htUejBaEv0m5uRWRUmA.
    date published: 2026-06-13T17:25:41Z

Lichte Voetjes
type: MusicAlbum
date published: 2022-03-04
track: Lichte Voetjes
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151038
  explicit: false
  by artist: INVICTA
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Tom Sloos
  by artist: Pico Visser
  in album: Lichte Voetjes
    type: MusicAlbum
    date published: 2022-03-04
  isrc code: TCAGC2210570
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-09T05:30:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956312
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956312
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7GVI5eDeMNFuHpow58M46k.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GVI5eDeMNFuHpow58M46k
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"7GVI5eDeMNFuHpow58M46k","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7GVI5eDeMNFuHpow58M46k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GVI5eDeMNFuHpow58M46k.
    date published: 2026-07-02T05:09:12Z
    text: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"7GVI5eDeMNFuHpow58M46k","type":"track"}

Onoverwinnelijk
type: MusicAlbum
date published: 2022-02-09
track: Onoverwinnelijk
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189976
  explicit: false
  by artist: INVICTA
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Lotte Brunekreef
  in album: Onoverwinnelijk
    type: MusicAlbum
    date published: 2022-02-09
  isrc code: TCAGA2275504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T23:01:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/606qF4Vn0DlLxR62C2k6CL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/606qF4Vn0DlLxR62C2k6CL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/606qF4Vn0DlLxR62C2k6CL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/606qF4Vn0DlLxR62C2k6CL.
    date published: 2026-07-02T16:51:38Z

Heimwee
type: MusicAlbum
date published: 2017-07-17
track: Heimwee
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261750
  explicit: false
  by artist: Demarrage
  by artist: Lisa van der Kroft
  by artist: Daan Jorissen
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Heimwee
    type: MusicAlbum
    date published: 2017-07-17
  isrc code: TCADE1730183
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T21:21:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xff8d5249536966d40f240437d9b78a3c34a8b53827878a2c021e21ee958f4177
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956304
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956304
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/1Jk0G14k3KIIiZeCsmjW18.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jk0G14k3KIIiZeCsmjW18
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8d5249536966d40f240437d9b78a3c34a8b53827878a2c021e21ee958f4177. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Jk0G14k3KIIiZeCsmjW18.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jk0G14k3KIIiZeCsmjW18.
    date published: 2026-07-02T03:55:08Z

Nog Heel Even
type: MusicAlbum
date published: 2017-07-01
track: Nog Heel Even
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167962
  explicit: false
  by artist: Wander
  by artist: Demarrage
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Nog Heel Even
    type: MusicAlbum
    date published: 2017-07-01
  isrc code: TCADD1743903
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-08T16:26:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/0N6ev3NSahxTw0t4H3N1EL.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0N6ev3NSahxTw0t4H3N1EL
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99","isrc":"TCADD1743903","name":"Nog Heel Even","registered_at":"2026-06-08T16:26:07Z","spotify_id":"0N6ev3NSahxTw0t4H3N1EL","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0N6ev3NSahxTw0t4H3N1EL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0N6ev3NSahxTw0t4H3N1EL.
    date published: 2026-06-13T13:32:09Z
    text: {"copyright_id":"0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99","isrc":"TCADD1743903","name":"Nog Heel Even","registered_at":"2026-06-08T16:26:07Z","spotify_id":"0N6ev3NSahxTw0t4H3N1EL","type":"track"}

Jij Bepaalt De Koers
type: MusicAlbum
date published: 2017-06-26
track: Jij Bepaalt De Koers
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166052
  explicit: false
  by artist: Demarrage
  by artist: Matthijs Van Den Berge
  by artist: Jip Van De Meent
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Jij Bepaalt De Koers
    type: MusicAlbum
    date published: 2017-06-26
  isrc code: TCADD1739089
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T19:05:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6fF0j6An8wZWOlJ9c2bjd9.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fF0j6An8wZWOlJ9c2bjd9
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc","isrc":"TCADD1739089","name":"Jij Bepaalt De Koers","registered_at":"2026-06-05T19:05:26Z","spotify_id":"6fF0j6An8wZWOlJ9c2bjd9","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fF0j6An8wZWOlJ9c2bjd9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fF0j6An8wZWOlJ9c2bjd9.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc","isrc":"TCADD1739089","name":"Jij Bepaalt De Koers","registered_at":"2026-06-05T19:05:26Z","spotify_id":"6fF0j6An8wZWOlJ9c2bjd9","type":"track"}

Vanavond Ga Ik Even Naar Het Corps
type: MusicAlbum
date published: 2017-06-11
track: Vanavond Ga Ik Even Naar Het Corps
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226088
  explicit: false
  by artist: Demarrage
  by artist: Matzwart
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Vanavond Ga Ik Even Naar Het Corps
    type: MusicAlbum
    date published: 2017-06-11
  isrc code: TCADC1780195
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T23:01:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953536
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953536
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/553xSUbCqCiW0WLDPpFP0O.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/553xSUbCqCiW0WLDPpFP0O
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908","isrc":"TCADC1780195","name":"Vanavond Ga Ik Even Naar Het Corps","registered_at":"2026-06-11T23:01:11Z","spotify_id":"553xSUbCqCiW0WLDPpFP0O","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/553xSUbCqCiW0WLDPpFP0O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/553xSUbCqCiW0WLDPpFP0O.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908","isrc":"TCADC1780195","name":"Vanavond Ga Ik Even Naar Het Corps","registered_at":"2026-06-11T23:01:11Z","spotify_id":"553xSUbCqCiW0WLDPpFP0O","type":"track"}

Linkerbaan
type: MusicAlbum
date published: 2017-05-11
track: Linkerbaan
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210130
  explicit: false
  by artist: Demarrage
  by artist: Bram Thierry
  by artist: Evert Douwes
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Linkerbaan
    type: MusicAlbum
    date published: 2017-05-11
  isrc code: TCADB1742714
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T00:45:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfcad17f9c09cc84bebc02cf5a6f6dbed6db419cb5475d7db8e875fdbe138a7be
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953528
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953528
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/206wvvoVEsAsP45vT8jbQR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/206wvvoVEsAsP45vT8jbQR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcad17f9c09cc84bebc02cf5a6f6dbed6db419cb5475d7db8e875fdbe138a7be. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/206wvvoVEsAsP45vT8jbQR.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/206wvvoVEsAsP45vT8jbQR.
    date published: 2026-06-13T15:41:10Z

Springstof
type: MusicAlbum
date published: 2017-04-10
track: Springstof
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199743
  explicit: false
  by artist: Demarrage
  by artist: Wander
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Springstof
    type: MusicAlbum
    date published: 2017-04-10
  isrc code: TCACZ1796982
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T11:39:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb6621936da3ac10c3a76b67d3731a06b01c6a077385c718287048f90f25ff1ee
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953513
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953513
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/7MmMawzjpHwypQT6NHMhiG.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MmMawzjpHwypQT6NHMhiG
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6621936da3ac10c3a76b67d3731a06b01c6a077385c718287048f90f25ff1ee. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7MmMawzjpHwypQT6NHMhiG.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7MmMawzjpHwypQT6NHMhiG.
    date published: 2026-06-13T12:47:07Z

Apocalyps
type: MusicAlbum
date published: 2012-07-02
track: Apocalyps
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244487
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
track: Mijn Amsterdam
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220630
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
  isrc code: TCAFO2163723
track: Bij Hem
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178128
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
track: Ik Ben Lid
  type: MusicRecording
  duration: PT3M28S
  duration ms: 208875
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
  isrc code: TCAFO2163729
track: Brak
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142158
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
track: Corpskameel
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218435
  explicit: false
  by artist: Apocalyps
  by artist: Lustrum A.S.C./A.V.S.V.
  in album: Apocalyps
    type: MusicAlbum
    date published: 2012-07-02
  isrc code: TCAFO2163790

Liefde Van De Derde
type: MusicAlbum
date published: 2022-05-29
track: Liefde Van De Derde
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201769
  explicit: false
  by artist: INVICTA
  by artist: Lustrum A.S.C./A.V.S.V.
  by artist: Gijs Stenfert
  by artist: Noor Niezen
  by artist: Cray Flax
  in album: Liefde Van De Derde
    type: MusicAlbum
    date published: 2022-05-29
  isrc code: TCAGF2264836
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T17:01:39+00:00

Onoverwinnelijk
type: MusicRecording
duration: PT3M9S
duration ms: 189976
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Lotte Brunekreef
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGA2275504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T23:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3kAP3ZbQI6UQSpg8qHsvu7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kAP3ZbQI6UQSpg8qHsvu7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3kAP3ZbQI6UQSpg8qHsvu7.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3kAP3ZbQI6UQSpg8qHsvu7.
  date published: 2026-06-13T17:25:41Z

Lichte Voetjes
type: MusicRecording
duration: PT2M31S
duration ms: 151038
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Tom Sloos
by artist: Pico Visser
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGC2210570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T05:30:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1G47XGzg6mxURMfWMluP7i.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1G47XGzg6mxURMfWMluP7i
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"1G47XGzg6mxURMfWMluP7i","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1G47XGzg6mxURMfWMluP7i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1G47XGzg6mxURMfWMluP7i.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"1G47XGzg6mxURMfWMluP7i","type":"track"}

Windvlaag
type: MusicRecording
duration: PT3M8S
duration ms: 188102
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Pepino Mansana
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGF2264700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T10:48:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/43dKro3V0Cf5ycUIDObiFb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43dKro3V0Cf5ycUIDObiFb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/43dKro3V0Cf5ycUIDObiFb.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/43dKro3V0Cf5ycUIDObiFb.
  date published: 2026-06-13T17:25:41Z

Liefde Van De Derde
type: MusicRecording
duration: PT3M21S
duration ms: 201769
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Gijs Stenfert
by artist: Noor Niezen
by artist: Cray Flax
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGF2264836
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T17:01:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1LXC8GYHGgXBeZe9GFuB6B.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LXC8GYHGgXBeZe9GFuB6B
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9","isrc":"TCAGF2264836","name":"Liefde Van De Derde","registered_at":"2026-06-07T17:01:39Z","spotify_id":"1LXC8GYHGgXBeZe9GFuB6B","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1LXC8GYHGgXBeZe9GFuB6B.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1LXC8GYHGgXBeZe9GFuB6B.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8c99f5d4837c5e07610b438f12864bd479ea67135cbbeb59fc5ffbd5db73cfa9","isrc":"TCAGF2264836","name":"Liefde Van De Derde","registered_at":"2026-06-07T17:01:39Z","spotify_id":"1LXC8GYHGgXBeZe9GFuB6B","type":"track"}

Amsterdam Is Anders
type: MusicRecording
duration: PT3M7S
duration ms: 187031
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Gijs Stenfert
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2219815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:39:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1AN9A4YYnA1JgdumKaDbVL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AN9A4YYnA1JgdumKaDbVL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"1AN9A4YYnA1JgdumKaDbVL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1AN9A4YYnA1JgdumKaDbVL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1AN9A4YYnA1JgdumKaDbVL.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"1AN9A4YYnA1JgdumKaDbVL","type":"track"}

Dansvloer
type: MusicRecording
duration: PT2M58S
duration ms: 178589
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Connor Wilcox
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2218861
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T12:27:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5du1zn60pxcNQ56rVUgFrd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5du1zn60pxcNQ56rVUgFrd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5du1zn60pxcNQ56rVUgFrd.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5du1zn60pxcNQ56rVUgFrd.
  date published: 2026-07-02T03:30:09Z

Dit Gevoel
type: MusicRecording
duration: PT2M55S
duration ms: 175195
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Gijs Stenfert
by artist: Marie Wibaut
in album: Invicta
  type: MusicAlbum
  date published: 2022-09-07
isrc code: TCAGI2286757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:06:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/3OXn92z2XfA6OKGQ1Vu8uQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OXn92z2XfA6OKGQ1Vu8uQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63","isrc":"TCAGI2286757","name":"Dit Gevoel","registered_at":"2026-06-09T02:06:35Z","spotify_id":"3OXn92z2XfA6OKGQ1Vu8uQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/3OXn92z2XfA6OKGQ1Vu8uQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3OXn92z2XfA6OKGQ1Vu8uQ.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xaa9595f21378d92c2fd4455759029d7198d42fd00456f9e09b8281f5d631cf63","isrc":"TCAGI2286757","name":"Dit Gevoel","registered_at":"2026-06-09T02:06:35Z","spotify_id":"3OXn92z2XfA6OKGQ1Vu8uQ","type":"track"}

Wilde Haren
type: MusicRecording
duration: PT3M12S
duration ms: 192660
explicit: false
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Marie Wibaut
in album: Wilde Haren
  type: MusicAlbum
  date published: 2024-04-09
isrc code: QZHNC2416072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:25:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/76CiyUtRnw88ciHlx1Mk6w.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76CiyUtRnw88ciHlx1Mk6w
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b","isrc":"QZHNC2416072","name":"Wilde Haren","registered_at":"2026-06-04T14:25:11Z","spotify_id":"76CiyUtRnw88ciHlx1Mk6w","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76CiyUtRnw88ciHlx1Mk6w.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76CiyUtRnw88ciHlx1Mk6w.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x141b97702fb9519ea8d43ece6395f3d18e4dc99288773d66c31c04d5844e0c2b","isrc":"QZHNC2416072","name":"Wilde Haren","registered_at":"2026-06-04T14:25:11Z","spotify_id":"76CiyUtRnw88ciHlx1Mk6w","type":"track"}

Mannenliefde
type: MusicRecording
duration: PT2M6S
duration ms: 126818
explicit: false
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Tom Hindriks
in album: Mannenliefde
  type: MusicAlbum
  date published: 2024-03-01
isrc code: QZES92401106
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T07:37:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b6422a70cde32f3c5cde00cced1bac307b3e4bda98d8295af0133da88afd3d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0Sl78CItuZ2kt69vZHOACj.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Sl78CItuZ2kt69vZHOACj
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b6422a70cde32f3c5cde00cced1bac307b3e4bda98d8295af0133da88afd3d1. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0Sl78CItuZ2kt69vZHOACj.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0Sl78CItuZ2kt69vZHOACj.
  date published: 2026-06-13T17:25:41Z

Onverwoestbaar
type: MusicRecording
duration: PT3M15S
duration ms: 195584
explicit: false
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Onverwoestbaar
by artist: Connor Wilcox
in album: Onverwoestbaar
  type: MusicAlbum
  date published: 2023-10-06
isrc code: TCAHM2366408
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T18:42:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdfab026a73034cba6b244210ebd9634cf406b31485bd7373a3f5df0a07b1c8f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2qlslvDlSTuPwn2k9KrMs9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qlslvDlSTuPwn2k9KrMs9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdfab026a73034cba6b244210ebd9634cf406b31485bd7373a3f5df0a07b1c8f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2qlslvDlSTuPwn2k9KrMs9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2qlslvDlSTuPwn2k9KrMs9.
  date published: 2026-07-02T03:30:09Z

Dit Gevoel
type: MusicRecording
duration: PT2M55S
duration ms: 175195
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Marie Wibaut
by artist: Gijs Stenfert
in album: Dit Gevoel
  type: MusicAlbum
  date published: 2022-07-26
isrc code: TCAGI2286757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T02:06:35+00:00

Dansvloer
type: MusicRecording
duration: PT2M58S
duration ms: 178589
explicit: false
by artist: Lustrum A.S.C./A.V.S.V.
by artist: INVICTA
by artist: Connor Wilcox
in album: Dansvloer
  type: MusicAlbum
  date published: 2022-07-15
isrc code: TCAGI2218861
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T12:27:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4V2OMry1K8vGL3oKT6MF0i.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4V2OMry1K8vGL3oKT6MF0i
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3256d1c1cd018af337ca72042c5582ab8897f47e4b74fb3f034932d595453ce0. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4V2OMry1K8vGL3oKT6MF0i.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4V2OMry1K8vGL3oKT6MF0i.
  date published: 2026-07-06T07:53:57Z

Amsterdam Is Anders
type: MusicRecording
duration: PT3M7S
duration ms: 187031
explicit: false
by artist: Lustrum A.S.C./A.V.S.V.
by artist: INVICTA
by artist: Gijs Stenfert
in album: Amsterdam Is Anders
  type: MusicAlbum
  date published: 2022-07-15
isrc code: TCAGI2219815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:39:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4YQTtQKryQ1p9YdXTn4LwQ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YQTtQKryQ1p9YdXTn4LwQ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"4YQTtQKryQ1p9YdXTn4LwQ","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4YQTtQKryQ1p9YdXTn4LwQ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4YQTtQKryQ1p9YdXTn4LwQ.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4913bd2a2e6864c3a1ab79bbfcbcd8a02b0db3dd0b98a0f001fca604b63894a9","isrc":"TCAGI2219815","name":"Amsterdam Is Anders","registered_at":"2026-06-04T13:39:15Z","spotify_id":"4YQTtQKryQ1p9YdXTn4LwQ","type":"track"}

Windvlaag
type: MusicRecording
duration: PT3M8S
duration ms: 188102
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Pepino Mansana
in album: Windvlaag
  type: MusicAlbum
  date published: 2022-05-25
isrc code: TCAGF2264700
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T10:48:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6s9htUejBaEv0m5uRWRUmA.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s9htUejBaEv0m5uRWRUmA
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb78f2d1ccda7aea00ac6b0cfe84c7cd7df6dfdf761e07be92fe72b46eee7b362. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6s9htUejBaEv0m5uRWRUmA.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6s9htUejBaEv0m5uRWRUmA.
  date published: 2026-06-13T17:25:41Z

Lichte Voetjes
type: MusicRecording
duration: PT2M31S
duration ms: 151038
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Tom Sloos
by artist: Pico Visser
in album: Lichte Voetjes
  type: MusicAlbum
  date published: 2022-03-04
isrc code: TCAGC2210570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T05:30:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/7GVI5eDeMNFuHpow58M46k.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GVI5eDeMNFuHpow58M46k
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"7GVI5eDeMNFuHpow58M46k","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/7GVI5eDeMNFuHpow58M46k.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7GVI5eDeMNFuHpow58M46k.
  date published: 2026-07-02T05:09:12Z
  text: {"copyright_id":"0x7685a330f3d6e55d34c9e0ec3bf7cfd59ce367b5e6f8abb5dfaf17441499bc30","isrc":"TCAGC2210570","name":"Lichte Voetjes","registered_at":"2026-06-09T05:30:42Z","spotify_id":"7GVI5eDeMNFuHpow58M46k","type":"track"}

Onoverwinnelijk
type: MusicRecording
duration: PT3M9S
duration ms: 189976
explicit: false
by artist: INVICTA
by artist: Lustrum A.S.C./A.V.S.V.
by artist: Lotte Brunekreef
in album: Onoverwinnelijk
  type: MusicAlbum
  date published: 2022-02-09
isrc code: TCAGA2275504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T23:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/606qF4Vn0DlLxR62C2k6CL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/606qF4Vn0DlLxR62C2k6CL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0976088b1f9579e404f42660b997321a751e065b71ea6c9c26a83f183d0348ce. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/606qF4Vn0DlLxR62C2k6CL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/606qF4Vn0DlLxR62C2k6CL.
  date published: 2026-07-02T16:51:38Z

Heimwee
type: MusicRecording
duration: PT4M21S
duration ms: 261750
explicit: false
by artist: Demarrage
by artist: Lisa van der Kroft
by artist: Daan Jorissen
by artist: Lustrum A.S.C./A.V.S.V.
in album: Heimwee
  type: MusicAlbum
  date published: 2017-07-17
isrc code: TCADE1730183
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T21:21:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff8d5249536966d40f240437d9b78a3c34a8b53827878a2c021e21ee958f4177
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1Jk0G14k3KIIiZeCsmjW18.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jk0G14k3KIIiZeCsmjW18
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff8d5249536966d40f240437d9b78a3c34a8b53827878a2c021e21ee958f4177. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1Jk0G14k3KIIiZeCsmjW18.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1Jk0G14k3KIIiZeCsmjW18.
  date published: 2026-07-02T03:55:08Z

Nog Heel Even
type: MusicRecording
duration: PT2M47S
duration ms: 167962
explicit: false
by artist: Wander
by artist: Demarrage
by artist: Lustrum A.S.C./A.V.S.V.
in album: Nog Heel Even
  type: MusicAlbum
  date published: 2017-07-01
isrc code: TCADD1743903
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T16:26:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0N6ev3NSahxTw0t4H3N1EL.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0N6ev3NSahxTw0t4H3N1EL
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99","isrc":"TCADD1743903","name":"Nog Heel Even","registered_at":"2026-06-08T16:26:07Z","spotify_id":"0N6ev3NSahxTw0t4H3N1EL","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0N6ev3NSahxTw0t4H3N1EL.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0N6ev3NSahxTw0t4H3N1EL.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xa1ab972e3ad3749a7c32ddd30fa3edcc8fbfac723bad1767ec42612faae82f99","isrc":"TCADD1743903","name":"Nog Heel Even","registered_at":"2026-06-08T16:26:07Z","spotify_id":"0N6ev3NSahxTw0t4H3N1EL","type":"track"}

Jij Bepaalt De Koers
type: MusicRecording
duration: PT2M46S
duration ms: 166052
explicit: false
by artist: Demarrage
by artist: Matthijs Van Den Berge
by artist: Jip Van De Meent
by artist: Lustrum A.S.C./A.V.S.V.
in album: Jij Bepaalt De Koers
  type: MusicAlbum
  date published: 2017-06-26
isrc code: TCADD1739089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T19:05:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/6fF0j6An8wZWOlJ9c2bjd9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fF0j6An8wZWOlJ9c2bjd9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc","isrc":"TCADD1739089","name":"Jij Bepaalt De Koers","registered_at":"2026-06-05T19:05:26Z","spotify_id":"6fF0j6An8wZWOlJ9c2bjd9","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6fF0j6An8wZWOlJ9c2bjd9.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6fF0j6An8wZWOlJ9c2bjd9.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x8a1a7b5b27ebe2bcff5a3288164408741454ce810c88c1385699cb6aa92793fc","isrc":"TCADD1739089","name":"Jij Bepaalt De Koers","registered_at":"2026-06-05T19:05:26Z","spotify_id":"6fF0j6An8wZWOlJ9c2bjd9","type":"track"}

Vanavond Ga Ik Even Naar Het Corps
type: MusicRecording
duration: PT3M46S
duration ms: 226088
explicit: false
by artist: Demarrage
by artist: Matzwart
by artist: Lustrum A.S.C./A.V.S.V.
in album: Vanavond Ga Ik Even Naar Het Corps
  type: MusicAlbum
  date published: 2017-06-11
isrc code: TCADC1780195
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T23:01:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/553xSUbCqCiW0WLDPpFP0O.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/553xSUbCqCiW0WLDPpFP0O
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908","isrc":"TCADC1780195","name":"Vanavond Ga Ik Even Naar Het Corps","registered_at":"2026-06-11T23:01:11Z","spotify_id":"553xSUbCqCiW0WLDPpFP0O","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/553xSUbCqCiW0WLDPpFP0O.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/553xSUbCqCiW0WLDPpFP0O.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xcbf63f5867ef454dbc4e234c44b36f33b032ca13476775e3e9a052c0b968c908","isrc":"TCADC1780195","name":"Vanavond Ga Ik Even Naar Het Corps","registered_at":"2026-06-11T23:01:11Z","spotify_id":"553xSUbCqCiW0WLDPpFP0O","type":"track"}