Nachtdienst
type: MusicGroup
genre: lustrum
popularity: 47
followers: 7230
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed41545fc2f9d04b9b7b9b8ff4157405523546d2cfdc60eb64b4ed27e19caa56
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d69e5949-ea75-4ba5-9b95-89b9512b3e5a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d69e5949-ea75-4ba5-9b95-89b9512b3e5a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d69e5949-ea75-4ba5-9b95-89b9512b3e5a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
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 0xed41545fc2f9d04b9b7b9b8ff4157405523546d2cfdc60eb64b4ed27e19caa56. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d69e5949-ea75-4ba5-9b95-89b9512b3e5a.json and https://artists.proofprofile.net/proofs/artist/d69e5949-ea75-4ba5-9b95-89b9512b3e5a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: Samen Alleen
  type: MusicAlbum
  date published: 2023-11-10
  track: Samen Alleen
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161294
    explicit: false
    by artist: Nachtdienst
    by artist: Crayflax
    in album: Samen Alleen
      type: MusicAlbum
      date published: 2023-11-10
    isrc code: QZTB72396577
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T15:40:24+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89
    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/7uhXBUkCaav2ljXn7ptUfF.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uhXBUkCaav2ljXn7ptUfF
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T12:47:07Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89","isrc":"QZTB72396577","name":"Samen Alleen","registered_at":"2026-06-04T15:40:24Z","spotify_id":"7uhXBUkCaav2ljXn7ptUfF","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 0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89. 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/7uhXBUkCaav2ljXn7ptUfF.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/7uhXBUkCaav2ljXn7ptUfF.
      date published: 2026-06-13T12:47:07Z
      text: {"copyright_id":"0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89","isrc":"QZTB72396577","name":"Samen Alleen","registered_at":"2026-06-04T15:40:24Z","spotify_id":"7uhXBUkCaav2ljXn7ptUfF","type":"track"}
album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
  track: PIETER-JAN
    type: MusicRecording
    duration: PT2M40S
    duration ms: 160601
    explicit: false
    by artist: Nachtdienst
    in album: Zolderkamer
      type: MusicAlbum
      date published: 2023-07-14
    isrc code: QZNWR2391160
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T08:16:00+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xbf29349940e8e32a550b32a8c8dea2f2751e1ae55ccfe7263d967d0d3b27660c
    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/6QvgKY4IZuW67GxX5nI10d.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6QvgKY4IZuW67GxX5nI10d
    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 0xbf29349940e8e32a550b32a8c8dea2f2751e1ae55ccfe7263d967d0d3b27660c. 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/6QvgKY4IZuW67GxX5nI10d.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/6QvgKY4IZuW67GxX5nI10d.
      date published: 2026-06-13T12:47:07Z
  track: Pillen en Coke
    type: MusicRecording
    duration: PT2M8S
    duration ms: 128500
    explicit: false
    by artist: Nachtdienst
    in album: Zolderkamer
      type: MusicAlbum
      date published: 2023-07-14
    isrc code: QZK6M2364871
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-04T14:58:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2
    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/2QRZtcJBCB9mHtK5NVG2oZ.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2QRZtcJBCB9mHtK5NVG2oZ
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T15:41:10Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2QRZtcJBCB9mHtK5NVG2oZ","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 0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2. 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/2QRZtcJBCB9mHtK5NVG2oZ.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/2QRZtcJBCB9mHtK5NVG2oZ.
      date published: 2026-06-13T15:41:10Z
      text: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2QRZtcJBCB9mHtK5NVG2oZ","type":"track"}
  track: Saffie
    type: MusicRecording
    duration: PT1M56S
    duration ms: 116319
    explicit: false
    by artist: Nachtdienst
    in album: Zolderkamer
      type: MusicAlbum
      date published: 2023-07-14
    isrc code: QZNWR2391161
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T18:39:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x938e23af94fa540d464d4b8c8b0cb15db0d0b2e53260762651135512382c1ac0
    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: In De Hook
  track: Rammers Van De Randstad
album: Pillen en Coke
album: Zusje Van
album: Laatste Kracht (Wavy)
album: MARIE-CLAIRE
album: Verliefd (feat. Nachtdienst)
album: Check D'r In (feat. Mr. Polska)
album: Verliefd Op Je Bestie
album: Mijntje (The Partysquad Remix)
album: Mijntje
album: Vanavond Ben Jij
track: Samen Alleen
track: PIETER-JAN
track: Pillen en Coke
track: Saffie
track: In De Hook
track: Rammers Van De Randstad
track: Zusje Van
track: Laatste Kracht (Wavy)
track: MARIE-CLAIRE
track: Verliefd (feat. Nachtdienst)
track: Check D'r In (feat. Mr. Polska)
track: Verliefd Op Je Bestie
track: Mijntje - The Partysquad Remix
track: Mijntje
track: Vanavond Ben Jij

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953536

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953536

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/56KngjqqzuFnZwtiXHaL0u.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56KngjqqzuFnZwtiXHaL0u

OTSTimestamp
type: PropertyValue
value: 2026-06-13T17:25:41Z

OTSCanonicalRecord
type: PropertyValue

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 0x938e23af94fa540d464d4b8c8b0cb15db0d0b2e53260762651135512382c1ac0. 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/56KngjqqzuFnZwtiXHaL0u.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/56KngjqqzuFnZwtiXHaL0u.
date published: 2026-06-13T17:25:41Z

In De Hook
type: MusicRecording
duration: PT2M58S
duration ms: 178823
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:37:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2
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/2Q09Bfxbgdgma32oX2QC6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Q09Bfxbgdgma32oX2QC6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2","isrc":"QZNWR2391162","name":"In De Hook","registered_at":"2026-06-06T08:37:41Z","spotify_id":"2Q09Bfxbgdgma32oX2QC6f","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 0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2. 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/2Q09Bfxbgdgma32oX2QC6f.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/2Q09Bfxbgdgma32oX2QC6f.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2","isrc":"QZNWR2391162","name":"In De Hook","registered_at":"2026-06-06T08:37:41Z","spotify_id":"2Q09Bfxbgdgma32oX2QC6f","type":"track"}

Rammers Van De Randstad
type: MusicRecording
duration: PT2M52S
duration ms: 172137
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T16:03:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604
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/1TtBl5Lxf5hO3XNFiuGOuD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1TtBl5Lxf5hO3XNFiuGOuD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604","isrc":"QZNWR2391163","name":"Rammers Van De Randstad","registered_at":"2026-06-07T16:03:59Z","spotify_id":"1TtBl5Lxf5hO3XNFiuGOuD","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 0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604. 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/1TtBl5Lxf5hO3XNFiuGOuD.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/1TtBl5Lxf5hO3XNFiuGOuD.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604","isrc":"QZNWR2391163","name":"Rammers Van De Randstad","registered_at":"2026-06-07T16:03:59Z","spotify_id":"1TtBl5Lxf5hO3XNFiuGOuD","type":"track"}

Pillen en Coke
type: MusicAlbum
date published: 2023-05-19
track: Pillen en Coke
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128500
  explicit: false
  by artist: Nachtdienst
  in album: Pillen en Coke
    type: MusicAlbum
    date published: 2023-05-19
  isrc code: QZK6M2364871
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:58:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2
  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/2zc91xwRdogXOg4nJTQvCR.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zc91xwRdogXOg4nJTQvCR
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2zc91xwRdogXOg4nJTQvCR","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 0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2. 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/2zc91xwRdogXOg4nJTQvCR.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/2zc91xwRdogXOg4nJTQvCR.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2zc91xwRdogXOg4nJTQvCR","type":"track"}

Zusje Van
type: MusicAlbum
date published: 2023-04-27
track: Zusje Van
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166038
  explicit: false
  by artist: Nachtdienst
  in album: Zusje Van
    type: MusicAlbum
    date published: 2023-04-27
  isrc code: QZHNB2313047
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T13:03:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922
  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/4aoy3KbzMgmdQdNJNZTUbc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4aoy3KbzMgmdQdNJNZTUbc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922","isrc":"QZHNB2313047","name":"Zusje Van","registered_at":"2026-06-04T13:03:06Z","spotify_id":"4aoy3KbzMgmdQdNJNZTUbc","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 0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922. 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/4aoy3KbzMgmdQdNJNZTUbc.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/4aoy3KbzMgmdQdNJNZTUbc.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922","isrc":"QZHNB2313047","name":"Zusje Van","registered_at":"2026-06-04T13:03:06Z","spotify_id":"4aoy3KbzMgmdQdNJNZTUbc","type":"track"}

Laatste Kracht (Wavy)
type: MusicAlbum
date published: 2022-12-09
track: Laatste Kracht (Wavy)
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134322
  explicit: false
  by artist: Nachtdienst
  in album: Laatste Kracht (Wavy)
    type: MusicAlbum
    date published: 2022-12-09
  isrc code: QZTB32225047
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-06T13:35:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953515
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953515
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/01bLaMSO7FeW0lRJmPglm7.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01bLaMSO7FeW0lRJmPglm7
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:53:06Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86","isrc":"QZTB32225047","name":"Laatste Kracht (Wavy)","registered_at":"2026-06-06T13:35:14Z","spotify_id":"01bLaMSO7FeW0lRJmPglm7","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 0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/01bLaMSO7FeW0lRJmPglm7.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/01bLaMSO7FeW0lRJmPglm7.
    date published: 2026-06-13T12:53:06Z
    text: {"copyright_id":"0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86","isrc":"QZTB32225047","name":"Laatste Kracht (Wavy)","registered_at":"2026-06-06T13:35:14Z","spotify_id":"01bLaMSO7FeW0lRJmPglm7","type":"track"}

MARIE-CLAIRE
type: MusicAlbum
date published: 2022-07-01
track: MARIE-CLAIRE
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128975
  explicit: false
  by artist: Nachtdienst
  in album: MARIE-CLAIRE
    type: MusicAlbum
    date published: 2022-07-01
  isrc code: QZK6K2261314
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T12:29:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe92280db71b63782be122798d46121e5b104a7042a9f04fdd0b1e332607c4807
  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/7DRDbNOzkwlaTgN513vFqe.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DRDbNOzkwlaTgN513vFqe
  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 0xe92280db71b63782be122798d46121e5b104a7042a9f04fdd0b1e332607c4807. 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/7DRDbNOzkwlaTgN513vFqe.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/7DRDbNOzkwlaTgN513vFqe.
    date published: 2026-06-13T15:41:10Z

Verliefd (feat. Nachtdienst)
type: MusicAlbum
date published: 2024-11-21
track: Verliefd (feat. Nachtdienst)
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181714
  explicit: false
  by artist: Bizzey
  by artist: Nachtdienst
  in album: Verliefd (feat. Nachtdienst)
    type: MusicAlbum
    date published: 2024-11-21
  isrc code: NL5HJ2400257
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T16:45:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926
  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/74u1rDTEHG3kiv0APu3mXK.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74u1rDTEHG3kiv0APu3mXK
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926","isrc":"NL5HJ2400257","name":"Verliefd (feat. Nachtdienst)","registered_at":"2026-06-04T16:45:40Z","spotify_id":"74u1rDTEHG3kiv0APu3mXK","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 0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926. 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/74u1rDTEHG3kiv0APu3mXK.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/74u1rDTEHG3kiv0APu3mXK.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926","isrc":"NL5HJ2400257","name":"Verliefd (feat. Nachtdienst)","registered_at":"2026-06-04T16:45:40Z","spotify_id":"74u1rDTEHG3kiv0APu3mXK","type":"track"}

Check D'r In (feat. Mr. Polska)
type: MusicAlbum
date published: 2024-10-25
track: Check D'r In (feat. Mr. Polska)
  type: MusicRecording
  duration: PT2M9S
  duration ms: 129090
  explicit: false
  by artist: Nachtdienst
  by artist: LA$$A
  by artist: Mr. Polska
  in album: Check D'r In (feat. Mr. Polska)
    type: MusicAlbum
    date published: 2024-10-25
  isrc code: US38Y2426901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:58:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970
  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/3DCKTj8EPMu7iaKm1aCQAb.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DCKTj8EPMu7iaKm1aCQAb
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T12:47:07Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970","isrc":"US38Y2426901","name":"Check D'r In (feat. Mr. Polska)","registered_at":"2026-06-04T14:58:49Z","spotify_id":"3DCKTj8EPMu7iaKm1aCQAb","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 0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970. 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/3DCKTj8EPMu7iaKm1aCQAb.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/3DCKTj8EPMu7iaKm1aCQAb.
    date published: 2026-06-13T12:47:07Z
    text: {"copyright_id":"0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970","isrc":"US38Y2426901","name":"Check D'r In (feat. Mr. Polska)","registered_at":"2026-06-04T14:58:49Z","spotify_id":"3DCKTj8EPMu7iaKm1aCQAb","type":"track"}

Verliefd Op Je Bestie
type: MusicAlbum
date published: 2024-07-26
track: Verliefd Op Je Bestie
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192791
  explicit: false
  by artist: Nachtdienst
  in album: Verliefd Op Je Bestie
    type: MusicAlbum
    date published: 2024-07-26
  isrc code: QZTAU2469626
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T18:39:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e
  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/3T5iF2UhqayoYMOnltRkC0.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3T5iF2UhqayoYMOnltRkC0
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T17:25:41Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e","isrc":"QZTAU2469626","name":"Verliefd Op Je Bestie","registered_at":"2026-06-05T18:39:19Z","spotify_id":"3T5iF2UhqayoYMOnltRkC0","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 0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e. 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/3T5iF2UhqayoYMOnltRkC0.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/3T5iF2UhqayoYMOnltRkC0.
    date published: 2026-06-13T17:25:41Z
    text: {"copyright_id":"0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e","isrc":"QZTAU2469626","name":"Verliefd Op Je Bestie","registered_at":"2026-06-05T18:39:19Z","spotify_id":"3T5iF2UhqayoYMOnltRkC0","type":"track"}

Mijntje (The Partysquad Remix)
type: MusicAlbum
date published: 2024-07-12
track: Mijntje - The Partysquad Remix
  type: MusicRecording
  duration: PT2M14S
  duration ms: 134400
  explicit: false
  by artist: Nachtdienst
  by artist: The Partysquad
  by artist: Bizzey
  in album: Mijntje (The Partysquad Remix)
    type: MusicAlbum
    date published: 2024-07-12
  isrc code: QZRP52459292
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T02:15:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc
  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/5KER7l4skHQ68FJnAuY4Sc.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KER7l4skHQ68FJnAuY4Sc
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc","isrc":"QZRP52459292","name":"Mijntje - The Partysquad Remix","registered_at":"2026-06-07T02:15:55Z","spotify_id":"5KER7l4skHQ68FJnAuY4Sc","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 0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc. 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/5KER7l4skHQ68FJnAuY4Sc.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/5KER7l4skHQ68FJnAuY4Sc.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc","isrc":"QZRP52459292","name":"Mijntje - The Partysquad Remix","registered_at":"2026-06-07T02:15:55Z","spotify_id":"5KER7l4skHQ68FJnAuY4Sc","type":"track"}

Mijntje
type: MusicAlbum
date published: 2024-05-31
track: Mijntje
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151889
  explicit: false
  by artist: Nachtdienst
  by artist: Bizzey
  in album: Mijntje
    type: MusicAlbum
    date published: 2024-05-31
  isrc code: QZMER2436438
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T06:29:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8ab524a42e5f262d14e57242edec5e4597173d7b017adc1e6b4ca2718cf738e7
  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/7G8Sd2g1wVXnmPUxpRitEX.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7G8Sd2g1wVXnmPUxpRitEX
  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 0x8ab524a42e5f262d14e57242edec5e4597173d7b017adc1e6b4ca2718cf738e7. 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/7G8Sd2g1wVXnmPUxpRitEX.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/7G8Sd2g1wVXnmPUxpRitEX.
    date published: 2026-06-13T12:47:07Z

Vanavond Ben Jij
type: MusicAlbum
date published: 2024-02-09
track: Vanavond Ben Jij
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199080
  explicit: false
  by artist: Nachtdienst
  by artist: WUTRU
  in album: Vanavond Ben Jij
    type: MusicAlbum
    date published: 2024-02-09
  isrc code: QZFZ32408817
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-04T14:36:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553
  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/0De1Ft4hLBgg8HeHro9a92.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0De1Ft4hLBgg8HeHro9a92
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553","isrc":"QZFZ32408817","name":"Vanavond Ben Jij","registered_at":"2026-06-04T14:36:32Z","spotify_id":"0De1Ft4hLBgg8HeHro9a92","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 0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553. 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/0De1Ft4hLBgg8HeHro9a92.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/0De1Ft4hLBgg8HeHro9a92.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553","isrc":"QZFZ32408817","name":"Vanavond Ben Jij","registered_at":"2026-06-04T14:36:32Z","spotify_id":"0De1Ft4hLBgg8HeHro9a92","type":"track"}

Samen Alleen
type: MusicRecording
duration: PT2M41S
duration ms: 161294
explicit: false
by artist: Nachtdienst
by artist: Crayflax
in album: Samen Alleen
  type: MusicAlbum
  date published: 2023-11-10
isrc code: QZTB72396577
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T15:40:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89
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/7uhXBUkCaav2ljXn7ptUfF.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7uhXBUkCaav2ljXn7ptUfF
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89","isrc":"QZTB72396577","name":"Samen Alleen","registered_at":"2026-06-04T15:40:24Z","spotify_id":"7uhXBUkCaav2ljXn7ptUfF","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 0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89. 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/7uhXBUkCaav2ljXn7ptUfF.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/7uhXBUkCaav2ljXn7ptUfF.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x477c5df79bd3f940940d55d7cd43872b02905f04deb278234e47926a684b4b89","isrc":"QZTB72396577","name":"Samen Alleen","registered_at":"2026-06-04T15:40:24Z","spotify_id":"7uhXBUkCaav2ljXn7ptUfF","type":"track"}

PIETER-JAN
type: MusicRecording
duration: PT2M40S
duration ms: 160601
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T08:16:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf29349940e8e32a550b32a8c8dea2f2751e1ae55ccfe7263d967d0d3b27660c
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/6QvgKY4IZuW67GxX5nI10d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6QvgKY4IZuW67GxX5nI10d
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 0xbf29349940e8e32a550b32a8c8dea2f2751e1ae55ccfe7263d967d0d3b27660c. 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/6QvgKY4IZuW67GxX5nI10d.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/6QvgKY4IZuW67GxX5nI10d.
  date published: 2026-06-13T12:47:07Z

Pillen en Coke
type: MusicRecording
duration: PT2M8S
duration ms: 128500
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZK6M2364871
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:58:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2
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/2QRZtcJBCB9mHtK5NVG2oZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2QRZtcJBCB9mHtK5NVG2oZ
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2QRZtcJBCB9mHtK5NVG2oZ","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 0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2. 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/2QRZtcJBCB9mHtK5NVG2oZ.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/2QRZtcJBCB9mHtK5NVG2oZ.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2QRZtcJBCB9mHtK5NVG2oZ","type":"track"}

Saffie
type: MusicRecording
duration: PT1M56S
duration ms: 116319
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:39:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x938e23af94fa540d464d4b8c8b0cb15db0d0b2e53260762651135512382c1ac0
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/56KngjqqzuFnZwtiXHaL0u.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/56KngjqqzuFnZwtiXHaL0u
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 0x938e23af94fa540d464d4b8c8b0cb15db0d0b2e53260762651135512382c1ac0. 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/56KngjqqzuFnZwtiXHaL0u.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/56KngjqqzuFnZwtiXHaL0u.
  date published: 2026-06-13T17:25:41Z

In De Hook
type: MusicRecording
duration: PT2M58S
duration ms: 178823
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T08:37:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2
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/2Q09Bfxbgdgma32oX2QC6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2Q09Bfxbgdgma32oX2QC6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2","isrc":"QZNWR2391162","name":"In De Hook","registered_at":"2026-06-06T08:37:41Z","spotify_id":"2Q09Bfxbgdgma32oX2QC6f","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 0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2. 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/2Q09Bfxbgdgma32oX2QC6f.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/2Q09Bfxbgdgma32oX2QC6f.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x2efd39e5cace8d5e2facad929ac0202d4a1ed1c1ffa3fef8ccfa516a58e4c0e2","isrc":"QZNWR2391162","name":"In De Hook","registered_at":"2026-06-06T08:37:41Z","spotify_id":"2Q09Bfxbgdgma32oX2QC6f","type":"track"}

Rammers Van De Randstad
type: MusicRecording
duration: PT2M52S
duration ms: 172137
explicit: false
by artist: Nachtdienst
in album: Zolderkamer
  type: MusicAlbum
  date published: 2023-07-14
isrc code: QZNWR2391163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T16:03:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604
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/1TtBl5Lxf5hO3XNFiuGOuD.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1TtBl5Lxf5hO3XNFiuGOuD
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604","isrc":"QZNWR2391163","name":"Rammers Van De Randstad","registered_at":"2026-06-07T16:03:59Z","spotify_id":"1TtBl5Lxf5hO3XNFiuGOuD","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 0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604. 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/1TtBl5Lxf5hO3XNFiuGOuD.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/1TtBl5Lxf5hO3XNFiuGOuD.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xe8e1809b9919156ee4cdc711bf0aeddf64f4b48eacbf93c5d112d7df9fc38604","isrc":"QZNWR2391163","name":"Rammers Van De Randstad","registered_at":"2026-06-07T16:03:59Z","spotify_id":"1TtBl5Lxf5hO3XNFiuGOuD","type":"track"}

Pillen en Coke
type: MusicRecording
duration: PT2M8S
duration ms: 128500
explicit: false
by artist: Nachtdienst
in album: Pillen en Coke
  type: MusicAlbum
  date published: 2023-05-19
isrc code: QZK6M2364871
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:58:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2
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/2zc91xwRdogXOg4nJTQvCR.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2zc91xwRdogXOg4nJTQvCR
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2zc91xwRdogXOg4nJTQvCR","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 0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2. 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/2zc91xwRdogXOg4nJTQvCR.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/2zc91xwRdogXOg4nJTQvCR.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0xb016caefca09d95278753e99859d78dcb31feac56c732a30514e6c1100a980e2","isrc":"QZK6M2364871","name":"Pillen en Coke","registered_at":"2026-06-04T14:58:11Z","spotify_id":"2zc91xwRdogXOg4nJTQvCR","type":"track"}

Zusje Van
type: MusicRecording
duration: PT2M46S
duration ms: 166038
explicit: false
by artist: Nachtdienst
in album: Zusje Van
  type: MusicAlbum
  date published: 2023-04-27
isrc code: QZHNB2313047
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T13:03:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922
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/4aoy3KbzMgmdQdNJNZTUbc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4aoy3KbzMgmdQdNJNZTUbc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922","isrc":"QZHNB2313047","name":"Zusje Van","registered_at":"2026-06-04T13:03:06Z","spotify_id":"4aoy3KbzMgmdQdNJNZTUbc","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 0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922. 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/4aoy3KbzMgmdQdNJNZTUbc.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/4aoy3KbzMgmdQdNJNZTUbc.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x5a350ef9b5c113f047ba7026d5128c1b63f9f45073c843be6cf1816d70b3e922","isrc":"QZHNB2313047","name":"Zusje Van","registered_at":"2026-06-04T13:03:06Z","spotify_id":"4aoy3KbzMgmdQdNJNZTUbc","type":"track"}

Laatste Kracht (Wavy)
type: MusicRecording
duration: PT2M14S
duration ms: 134322
explicit: false
by artist: Nachtdienst
in album: Laatste Kracht (Wavy)
  type: MusicAlbum
  date published: 2022-12-09
isrc code: QZTB32225047
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:35:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/01bLaMSO7FeW0lRJmPglm7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/01bLaMSO7FeW0lRJmPglm7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86","isrc":"QZTB32225047","name":"Laatste Kracht (Wavy)","registered_at":"2026-06-06T13:35:14Z","spotify_id":"01bLaMSO7FeW0lRJmPglm7","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 0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/01bLaMSO7FeW0lRJmPglm7.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/01bLaMSO7FeW0lRJmPglm7.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x7ec4ab7d5de8f85ac6948d28f78b764a73522ccc5ed60476c445f0fcbd5f1c86","isrc":"QZTB32225047","name":"Laatste Kracht (Wavy)","registered_at":"2026-06-06T13:35:14Z","spotify_id":"01bLaMSO7FeW0lRJmPglm7","type":"track"}

MARIE-CLAIRE
type: MusicRecording
duration: PT2M8S
duration ms: 128975
explicit: false
by artist: Nachtdienst
in album: MARIE-CLAIRE
  type: MusicAlbum
  date published: 2022-07-01
isrc code: QZK6K2261314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T12:29:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe92280db71b63782be122798d46121e5b104a7042a9f04fdd0b1e332607c4807
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/7DRDbNOzkwlaTgN513vFqe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7DRDbNOzkwlaTgN513vFqe
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 0xe92280db71b63782be122798d46121e5b104a7042a9f04fdd0b1e332607c4807. 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/7DRDbNOzkwlaTgN513vFqe.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/7DRDbNOzkwlaTgN513vFqe.
  date published: 2026-06-13T15:41:10Z

Verliefd (feat. Nachtdienst)
type: MusicRecording
duration: PT3M1S
duration ms: 181714
explicit: false
by artist: Bizzey
by artist: Nachtdienst
in album: Verliefd (feat. Nachtdienst)
  type: MusicAlbum
  date published: 2024-11-21
isrc code: NL5HJ2400257
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:45:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926
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/74u1rDTEHG3kiv0APu3mXK.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/74u1rDTEHG3kiv0APu3mXK
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926","isrc":"NL5HJ2400257","name":"Verliefd (feat. Nachtdienst)","registered_at":"2026-06-04T16:45:40Z","spotify_id":"74u1rDTEHG3kiv0APu3mXK","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 0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926. 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/74u1rDTEHG3kiv0APu3mXK.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/74u1rDTEHG3kiv0APu3mXK.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x4538722f68b54129e05eb8eb4d10413e40a3b87f35a1a3461b1da8e5549f9926","isrc":"NL5HJ2400257","name":"Verliefd (feat. Nachtdienst)","registered_at":"2026-06-04T16:45:40Z","spotify_id":"74u1rDTEHG3kiv0APu3mXK","type":"track"}

Check D'r In (feat. Mr. Polska)
type: MusicRecording
duration: PT2M9S
duration ms: 129090
explicit: false
by artist: Nachtdienst
by artist: LA$$A
by artist: Mr. Polska
in album: Check D'r In (feat. Mr. Polska)
  type: MusicAlbum
  date published: 2024-10-25
isrc code: US38Y2426901
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:58:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970
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/3DCKTj8EPMu7iaKm1aCQAb.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3DCKTj8EPMu7iaKm1aCQAb
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970","isrc":"US38Y2426901","name":"Check D'r In (feat. Mr. Polska)","registered_at":"2026-06-04T14:58:49Z","spotify_id":"3DCKTj8EPMu7iaKm1aCQAb","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 0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970. 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/3DCKTj8EPMu7iaKm1aCQAb.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/3DCKTj8EPMu7iaKm1aCQAb.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0x8ea167e2258477102678e770265b44f70477dddf314bae4a23790bb319c09970","isrc":"US38Y2426901","name":"Check D'r In (feat. Mr. Polska)","registered_at":"2026-06-04T14:58:49Z","spotify_id":"3DCKTj8EPMu7iaKm1aCQAb","type":"track"}

Verliefd Op Je Bestie
type: MusicRecording
duration: PT3M12S
duration ms: 192791
explicit: false
by artist: Nachtdienst
in album: Verliefd Op Je Bestie
  type: MusicAlbum
  date published: 2024-07-26
isrc code: QZTAU2469626
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T18:39:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e
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/3T5iF2UhqayoYMOnltRkC0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/3T5iF2UhqayoYMOnltRkC0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e","isrc":"QZTAU2469626","name":"Verliefd Op Je Bestie","registered_at":"2026-06-05T18:39:19Z","spotify_id":"3T5iF2UhqayoYMOnltRkC0","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 0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e. 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/3T5iF2UhqayoYMOnltRkC0.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/3T5iF2UhqayoYMOnltRkC0.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x055f57d1ffde01c5d4682c1e1ba456d1d394aa1df8676b2bc09a99c28975ec8e","isrc":"QZTAU2469626","name":"Verliefd Op Je Bestie","registered_at":"2026-06-05T18:39:19Z","spotify_id":"3T5iF2UhqayoYMOnltRkC0","type":"track"}

Mijntje - The Partysquad Remix
type: MusicRecording
duration: PT2M14S
duration ms: 134400
explicit: false
by artist: Nachtdienst
by artist: The Partysquad
by artist: Bizzey
in album: Mijntje (The Partysquad Remix)
  type: MusicAlbum
  date published: 2024-07-12
isrc code: QZRP52459292
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T02:15:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc
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/5KER7l4skHQ68FJnAuY4Sc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5KER7l4skHQ68FJnAuY4Sc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc","isrc":"QZRP52459292","name":"Mijntje - The Partysquad Remix","registered_at":"2026-06-07T02:15:55Z","spotify_id":"5KER7l4skHQ68FJnAuY4Sc","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 0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc. 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/5KER7l4skHQ68FJnAuY4Sc.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/5KER7l4skHQ68FJnAuY4Sc.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x10ebb0ff73c7c2a673aaa80b60db6fcc7302cdc83d5627f2fd644eb1036e15fc","isrc":"QZRP52459292","name":"Mijntje - The Partysquad Remix","registered_at":"2026-06-07T02:15:55Z","spotify_id":"5KER7l4skHQ68FJnAuY4Sc","type":"track"}

Mijntje
type: MusicRecording
duration: PT2M31S
duration ms: 151889
explicit: false
by artist: Nachtdienst
by artist: Bizzey
in album: Mijntje
  type: MusicAlbum
  date published: 2024-05-31
isrc code: QZMER2436438
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T06:29:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8ab524a42e5f262d14e57242edec5e4597173d7b017adc1e6b4ca2718cf738e7
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/7G8Sd2g1wVXnmPUxpRitEX.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/7G8Sd2g1wVXnmPUxpRitEX
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 0x8ab524a42e5f262d14e57242edec5e4597173d7b017adc1e6b4ca2718cf738e7. 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/7G8Sd2g1wVXnmPUxpRitEX.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/7G8Sd2g1wVXnmPUxpRitEX.
  date published: 2026-06-13T12:47:07Z

Vanavond Ben Jij
type: MusicRecording
duration: PT3M19S
duration ms: 199080
explicit: false
by artist: Nachtdienst
by artist: WUTRU
in album: Vanavond Ben Jij
  type: MusicAlbum
  date published: 2024-02-09
isrc code: QZFZ32408817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T14:36:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553
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/0De1Ft4hLBgg8HeHro9a92.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0De1Ft4hLBgg8HeHro9a92
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553","isrc":"QZFZ32408817","name":"Vanavond Ben Jij","registered_at":"2026-06-04T14:36:32Z","spotify_id":"0De1Ft4hLBgg8HeHro9a92","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 0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553. 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/0De1Ft4hLBgg8HeHro9a92.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/0De1Ft4hLBgg8HeHro9a92.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x989d84adc0006575705d589f9ffec91cd7818f639195a2392ba8691cb215c553","isrc":"QZFZ32408817","name":"Vanavond Ben Jij","registered_at":"2026-06-04T14:36:32Z","spotify_id":"0De1Ft4hLBgg8HeHro9a92","type":"track"}