Niis
type: MusicGroup
popularity: 30
followers: 7664
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x930f812e7024aff79e41bdc90b00645b1d1dfb9ac3e77c7b0f5e02ed4ad20b12
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953423
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953423
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0071bae6-df85-48f0-b393-a172dd0137d9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0071bae6-df85-48f0-b393-a172dd0137d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0071bae6-df85-48f0-b393-a172dd0137d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T21:20:00Z
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 0x930f812e7024aff79e41bdc90b00645b1d1dfb9ac3e77c7b0f5e02ed4ad20b12. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0071bae6-df85-48f0-b393-a172dd0137d9.json and https://artists.proofprofile.net/proofs/artist/0071bae6-df85-48f0-b393-a172dd0137d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
album: Crazy
  type: MusicAlbum
  date published: 2024-02-09
  track: Crazy
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137454
    explicit: false
    by artist: Niis
    in album: Crazy
      type: MusicAlbum
      date published: 2024-02-09
    isrc code: TCAHU2481942
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-08T00:04:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8b300cc3d3f4b81f823497b293c42709b995efd20cb23247ff316016c71375d2
    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/0VSHIq7pw8V3twiaJm5AQ2.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0VSHIq7pw8V3twiaJm5AQ2
    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 0x8b300cc3d3f4b81f823497b293c42709b995efd20cb23247ff316016c71375d2. 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/0VSHIq7pw8V3twiaJm5AQ2.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/0VSHIq7pw8V3twiaJm5AQ2.
      date published: 2026-06-13T15:41:10Z
album: Last Rockers
  type: MusicAlbum
  date published: 2024-01-17
  track: Last Rockers
    type: MusicRecording
    duration: PT4M11S
    duration ms: 251625
    explicit: false
    by artist: Niis
    in album: Last Rockers
      type: MusicAlbum
      date published: 2024-01-17
    isrc code: TCAHU2482061
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-19T02:40:06+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956302
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/1ko8w7eJ9e0sqM7uiXgstz.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ko8w7eJ9e0sqM7uiXgstz
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385","isrc":"TCAHU2482061","name":"Last Rockers","registered_at":"2026-06-19T02:40:06Z","spotify_id":"1ko8w7eJ9e0sqM7uiXgstz","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 0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ko8w7eJ9e0sqM7uiXgstz.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/1ko8w7eJ9e0sqM7uiXgstz.
      date published: 2026-07-02T03:30:09Z
      text: {"copyright_id":"0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385","isrc":"TCAHU2482061","name":"Last Rockers","registered_at":"2026-06-19T02:40:06Z","spotify_id":"1ko8w7eJ9e0sqM7uiXgstz","type":"track"}
album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
  track: Big Zoo
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223961
    explicit: false
    by artist: Niis
    in album: Must Be...
      type: MusicAlbum
      date published: 2022-05-01
    isrc code: TCAGE2267864
  track: Utopia
    type: MusicRecording
    duration: PT2M44S
    duration ms: 164674
    explicit: false
    by artist: Niis
    in album: Must Be...
      type: MusicAlbum
      date published: 2022-05-01
    isrc code: TCAGE2267870
  track: Fuck You Boy
    type: MusicRecording
    duration: PT2M24S
    duration ms: 144071
    explicit: false
    by artist: Niis
    in album: Must Be...
      type: MusicAlbum
      date published: 2022-05-01
    isrc code: TCAGE2267882
  track: False Ideals
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195180
    explicit: false
    by artist: Niis
    in album: Must Be...
      type: MusicAlbum
      date published: 2022-05-01
    isrc code: TCAGE2267899
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-10T12:05:26+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8
    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/4DSDxQdsRJVCuChqoSx0Ni.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DSDxQdsRJVCuChqoSx0Ni
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: One Two
  track: Bad
album: Fuck You Boy (Not a Friend Remix)
album: Fuck You Boy
album: Big Zoo (Not a Friend Remix)
album: Utopia
album: Big Zoo
album: Egg
album: Slaughter
album: 180
track: Crazy
track: Last Rockers
track: Big Zoo
track: Utopia
track: Fuck You Boy
track: False Ideals
track: One Two
track: Bad
track: Fuck You Boy (Not a Friend Remix)
track: Big Zoo (Not a Friend Remix)
track: Egg
track: Slaughter
track: 180

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8","isrc":"TCAGE2267899","name":"False Ideals","registered_at":"2026-06-10T12:05:26Z","spotify_id":"4DSDxQdsRJVCuChqoSx0Ni","type":"track"}

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8. 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/4DSDxQdsRJVCuChqoSx0Ni.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/4DSDxQdsRJVCuChqoSx0Ni.
date published: 2026-06-13T17:25:41Z
text: {"copyright_id":"0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8","isrc":"TCAGE2267899","name":"False Ideals","registered_at":"2026-06-10T12:05:26Z","spotify_id":"4DSDxQdsRJVCuChqoSx0Ni","type":"track"}

One Two
type: MusicRecording
duration: PT2M4S
duration ms: 124255
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267903
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T02:26:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0o2l8T2iBrrQWABuQqjYPv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0o2l8T2iBrrQWABuQqjYPv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65","isrc":"TCAGE2267903","name":"One Two","registered_at":"2026-06-19T02:26:46Z","spotify_id":"0o2l8T2iBrrQWABuQqjYPv","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 0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0o2l8T2iBrrQWABuQqjYPv.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/0o2l8T2iBrrQWABuQqjYPv.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65","isrc":"TCAGE2267903","name":"One Two","registered_at":"2026-06-19T02:26:46Z","spotify_id":"0o2l8T2iBrrQWABuQqjYPv","type":"track"}

Bad
type: MusicRecording
duration: PT2M59S
duration ms: 179978
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T15:52:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x012e2d4ff5d9edb98cc7048f7e65e243caf8b6ad3ebffd37698fe412eea69321
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Eqog5a2OVlelI89lP8YiV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Eqog5a2OVlelI89lP8YiV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012e2d4ff5d9edb98cc7048f7e65e243caf8b6ad3ebffd37698fe412eea69321. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Eqog5a2OVlelI89lP8YiV.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/5Eqog5a2OVlelI89lP8YiV.
  date published: 2026-07-02T03:30:09Z

Fuck You Boy (Not a Friend Remix)
type: MusicAlbum
date published: 2022-03-02
track: Fuck You Boy (Not a Friend Remix)
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191125
  explicit: false
  by artist: Niis
  by artist: Not a Friend
  in album: Fuck You Boy (Not a Friend Remix)
    type: MusicAlbum
    date published: 2022-03-02
  isrc code: TCAGC2207448

Fuck You Boy
type: MusicAlbum
date published: 2021-12-03
track: Fuck You Boy
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144071
  explicit: false
  by artist: Niis
  in album: Fuck You Boy
    type: MusicAlbum
    date published: 2021-12-03
  isrc code: TCAFX2171470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T11:08:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef
  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/1oz1X0OdH11FEyU6G82ED1.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1oz1X0OdH11FEyU6G82ED1
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef","isrc":"TCAFX2171470","name":"Fuck You Boy","registered_at":"2026-06-07T11:08:24Z","spotify_id":"1oz1X0OdH11FEyU6G82ED1","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 0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef. 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/1oz1X0OdH11FEyU6G82ED1.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/1oz1X0OdH11FEyU6G82ED1.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef","isrc":"TCAFX2171470","name":"Fuck You Boy","registered_at":"2026-06-07T11:08:24Z","spotify_id":"1oz1X0OdH11FEyU6G82ED1","type":"track"}

Big Zoo (Not a Friend Remix)
type: MusicAlbum
date published: 2021-11-25
track: Big Zoo (Not a Friend Remix)
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188181
  explicit: false
  by artist: Niis
  by artist: Not a Friend
  in album: Big Zoo (Not a Friend Remix)
    type: MusicAlbum
    date published: 2021-11-25
  isrc code: TCAFX2171441

Utopia
type: MusicAlbum
date published: 2021-07-30
track: Utopia
  type: MusicRecording
  duration: PT2M44S
  duration ms: 164674
  explicit: false
  by artist: Niis
  in album: Utopia
    type: MusicAlbum
    date published: 2021-07-30
  isrc code: TCAFR2185504
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T23:34:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x73caac8de2872ecfcad66fdce9620ff2d61d3d8908b8a2095e6a08acd9b97aec
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/953520
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2oTmMIc6H78GLbMLXnAhAh.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oTmMIc6H78GLbMLXnAhAh
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73caac8de2872ecfcad66fdce9620ff2d61d3d8908b8a2095e6a08acd9b97aec. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oTmMIc6H78GLbMLXnAhAh.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/2oTmMIc6H78GLbMLXnAhAh.
    date published: 2026-06-13T13:32:09Z

Big Zoo
type: MusicAlbum
date published: 2021-07-05
track: Big Zoo
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223961
  explicit: false
  by artist: Niis
  in album: Big Zoo
    type: MusicAlbum
    date published: 2021-07-05
  isrc code: TCAFP2169760
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-10T12:21:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6
  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/04LwXWyh60e8UT9uIxOW4V.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04LwXWyh60e8UT9uIxOW4V
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T15:41:10Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6","isrc":"TCAFP2169760","name":"Big Zoo","registered_at":"2026-06-10T12:21:23Z","spotify_id":"04LwXWyh60e8UT9uIxOW4V","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 0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6. 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/04LwXWyh60e8UT9uIxOW4V.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/04LwXWyh60e8UT9uIxOW4V.
    date published: 2026-06-13T15:41:10Z
    text: {"copyright_id":"0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6","isrc":"TCAFP2169760","name":"Big Zoo","registered_at":"2026-06-10T12:21:23Z","spotify_id":"04LwXWyh60e8UT9uIxOW4V","type":"track"}

Egg
type: MusicAlbum
date published: 2020-05-06
track: Egg
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201749
  explicit: false
  by artist: Niis
  in album: Egg
    type: MusicAlbum
    date published: 2020-05-06
  isrc code: TCAEW2044079
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-28T02:46:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb77234a0f4cf97545373d79c7750a32cdfd66849b495c47108af9240447bcc55
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956375
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956375
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5XsBjEtANujgu5ufCTSCui.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XsBjEtANujgu5ufCTSCui
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T16:51:38Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77234a0f4cf97545373d79c7750a32cdfd66849b495c47108af9240447bcc55. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XsBjEtANujgu5ufCTSCui.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/5XsBjEtANujgu5ufCTSCui.
    date published: 2026-07-02T16:51:38Z

Slaughter
type: MusicAlbum
date published: 2020-02-26
track: Slaughter
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162237
  explicit: false
  by artist: Niis
  in album: Slaughter
    type: MusicAlbum
    date published: 2020-02-26
  isrc code: TCAER2050531
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T15:57:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x99104fad70e6d4c51d774d43fea59a1e90ba52241a0dab9e91ef802c6618b228
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5WLbPolaJE4fsuR33kNOMk.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WLbPolaJE4fsuR33kNOMk
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99104fad70e6d4c51d774d43fea59a1e90ba52241a0dab9e91ef802c6618b228. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WLbPolaJE4fsuR33kNOMk.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/5WLbPolaJE4fsuR33kNOMk.
    date published: 2026-07-02T03:30:09Z

180
type: MusicAlbum
date published: 2020-02-26
track: 180
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173499
  explicit: false
  by artist: Niis
  in album: 180
    type: MusicAlbum
    date published: 2020-02-26
  isrc code: TCAER2050464
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-21T19:19:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6eee1568e22bb845f09fe772587bbc8b9e7ef30f1c33849647e6842f96aab0d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/5Lw22pTzSQgJVGsmK41hGe.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Lw22pTzSQgJVGsmK41hGe
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eee1568e22bb845f09fe772587bbc8b9e7ef30f1c33849647e6842f96aab0d4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Lw22pTzSQgJVGsmK41hGe.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/5Lw22pTzSQgJVGsmK41hGe.
    date published: 2026-07-02T03:30:09Z

Crazy
type: MusicRecording
duration: PT2M17S
duration ms: 137454
explicit: false
by artist: Niis
in album: Crazy
  type: MusicAlbum
  date published: 2024-02-09
isrc code: TCAHU2481942
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T00:04:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b300cc3d3f4b81f823497b293c42709b995efd20cb23247ff316016c71375d2
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/0VSHIq7pw8V3twiaJm5AQ2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0VSHIq7pw8V3twiaJm5AQ2
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 0x8b300cc3d3f4b81f823497b293c42709b995efd20cb23247ff316016c71375d2. 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/0VSHIq7pw8V3twiaJm5AQ2.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/0VSHIq7pw8V3twiaJm5AQ2.
  date published: 2026-06-13T15:41:10Z

Last Rockers
type: MusicRecording
duration: PT4M11S
duration ms: 251625
explicit: false
by artist: Niis
in album: Last Rockers
  type: MusicAlbum
  date published: 2024-01-17
isrc code: TCAHU2482061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T02:40:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1ko8w7eJ9e0sqM7uiXgstz.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ko8w7eJ9e0sqM7uiXgstz
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385","isrc":"TCAHU2482061","name":"Last Rockers","registered_at":"2026-06-19T02:40:06Z","spotify_id":"1ko8w7eJ9e0sqM7uiXgstz","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 0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ko8w7eJ9e0sqM7uiXgstz.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/1ko8w7eJ9e0sqM7uiXgstz.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0x00492a9ae3c1a75f9ac9ec36001138218958c8b6191d8a60fc27b88821c98385","isrc":"TCAHU2482061","name":"Last Rockers","registered_at":"2026-06-19T02:40:06Z","spotify_id":"1ko8w7eJ9e0sqM7uiXgstz","type":"track"}

Big Zoo
type: MusicRecording
duration: PT3M43S
duration ms: 223961
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267864

Utopia
type: MusicRecording
duration: PT2M44S
duration ms: 164674
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267870

Fuck You Boy
type: MusicRecording
duration: PT2M24S
duration ms: 144071
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267882

False Ideals
type: MusicRecording
duration: PT3M15S
duration ms: 195180
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267899
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T12:05:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8
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/4DSDxQdsRJVCuChqoSx0Ni.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4DSDxQdsRJVCuChqoSx0Ni
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8","isrc":"TCAGE2267899","name":"False Ideals","registered_at":"2026-06-10T12:05:26Z","spotify_id":"4DSDxQdsRJVCuChqoSx0Ni","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 0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8. 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/4DSDxQdsRJVCuChqoSx0Ni.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/4DSDxQdsRJVCuChqoSx0Ni.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0xdd6f5e5801ede2fcad5ae4f5c1f8cc7e06fd93f369b9ef9e0d09285356b9ddb8","isrc":"TCAGE2267899","name":"False Ideals","registered_at":"2026-06-10T12:05:26Z","spotify_id":"4DSDxQdsRJVCuChqoSx0Ni","type":"track"}

One Two
type: MusicRecording
duration: PT2M4S
duration ms: 124255
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267903
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T02:26:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0o2l8T2iBrrQWABuQqjYPv.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0o2l8T2iBrrQWABuQqjYPv
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65","isrc":"TCAGE2267903","name":"One Two","registered_at":"2026-06-19T02:26:46Z","spotify_id":"0o2l8T2iBrrQWABuQqjYPv","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 0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0o2l8T2iBrrQWABuQqjYPv.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/0o2l8T2iBrrQWABuQqjYPv.
  date published: 2026-07-02T03:30:09Z
  text: {"copyright_id":"0xe8947d55c623ee9923c134d6ba1d0861c13d287d73d4009ef1e4a563ef1d2c65","isrc":"TCAGE2267903","name":"One Two","registered_at":"2026-06-19T02:26:46Z","spotify_id":"0o2l8T2iBrrQWABuQqjYPv","type":"track"}

Bad
type: MusicRecording
duration: PT2M59S
duration ms: 179978
explicit: false
by artist: Niis
in album: Must Be...
  type: MusicAlbum
  date published: 2022-05-01
isrc code: TCAGE2267906
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T15:52:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x012e2d4ff5d9edb98cc7048f7e65e243caf8b6ad3ebffd37698fe412eea69321
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Eqog5a2OVlelI89lP8YiV.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Eqog5a2OVlelI89lP8YiV
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x012e2d4ff5d9edb98cc7048f7e65e243caf8b6ad3ebffd37698fe412eea69321. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Eqog5a2OVlelI89lP8YiV.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/5Eqog5a2OVlelI89lP8YiV.
  date published: 2026-07-02T03:30:09Z

Fuck You Boy (Not a Friend Remix)
type: MusicRecording
duration: PT3M11S
duration ms: 191125
explicit: false
by artist: Niis
by artist: Not a Friend
in album: Fuck You Boy (Not a Friend Remix)
  type: MusicAlbum
  date published: 2022-03-02
isrc code: TCAGC2207448

Fuck You Boy
type: MusicRecording
duration: PT2M24S
duration ms: 144071
explicit: false
by artist: Niis
in album: Fuck You Boy
  type: MusicAlbum
  date published: 2021-12-03
isrc code: TCAFX2171470
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:08:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef
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/1oz1X0OdH11FEyU6G82ED1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1oz1X0OdH11FEyU6G82ED1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef","isrc":"TCAFX2171470","name":"Fuck You Boy","registered_at":"2026-06-07T11:08:24Z","spotify_id":"1oz1X0OdH11FEyU6G82ED1","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 0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef. 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/1oz1X0OdH11FEyU6G82ED1.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/1oz1X0OdH11FEyU6G82ED1.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x292500267caef5accadea750afa887ae4a2fa27378ecacdf470833bcfbced0ef","isrc":"TCAFX2171470","name":"Fuck You Boy","registered_at":"2026-06-07T11:08:24Z","spotify_id":"1oz1X0OdH11FEyU6G82ED1","type":"track"}

Big Zoo (Not a Friend Remix)
type: MusicRecording
duration: PT3M8S
duration ms: 188181
explicit: false
by artist: Niis
by artist: Not a Friend
in album: Big Zoo (Not a Friend Remix)
  type: MusicAlbum
  date published: 2021-11-25
isrc code: TCAFX2171441

Utopia
type: MusicRecording
duration: PT2M44S
duration ms: 164674
explicit: false
by artist: Niis
in album: Utopia
  type: MusicAlbum
  date published: 2021-07-30
isrc code: TCAFR2185504
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T23:34:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73caac8de2872ecfcad66fdce9620ff2d61d3d8908b8a2095e6a08acd9b97aec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2oTmMIc6H78GLbMLXnAhAh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2oTmMIc6H78GLbMLXnAhAh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73caac8de2872ecfcad66fdce9620ff2d61d3d8908b8a2095e6a08acd9b97aec. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2oTmMIc6H78GLbMLXnAhAh.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/2oTmMIc6H78GLbMLXnAhAh.
  date published: 2026-06-13T13:32:09Z

Big Zoo
type: MusicRecording
duration: PT3M43S
duration ms: 223961
explicit: false
by artist: Niis
in album: Big Zoo
  type: MusicAlbum
  date published: 2021-07-05
isrc code: TCAFP2169760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T12:21:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6
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/04LwXWyh60e8UT9uIxOW4V.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/04LwXWyh60e8UT9uIxOW4V
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6","isrc":"TCAFP2169760","name":"Big Zoo","registered_at":"2026-06-10T12:21:23Z","spotify_id":"04LwXWyh60e8UT9uIxOW4V","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 0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6. 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/04LwXWyh60e8UT9uIxOW4V.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/04LwXWyh60e8UT9uIxOW4V.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x707bee3d4dbf5604249a971cac80bf26081f1663601a1b0e994c49e761982ff6","isrc":"TCAFP2169760","name":"Big Zoo","registered_at":"2026-06-10T12:21:23Z","spotify_id":"04LwXWyh60e8UT9uIxOW4V","type":"track"}

Egg
type: MusicRecording
duration: PT3M21S
duration ms: 201749
explicit: false
by artist: Niis
in album: Egg
  type: MusicAlbum
  date published: 2020-05-06
isrc code: TCAEW2044079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T02:46:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb77234a0f4cf97545373d79c7750a32cdfd66849b495c47108af9240447bcc55
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956375
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5XsBjEtANujgu5ufCTSCui.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5XsBjEtANujgu5ufCTSCui
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb77234a0f4cf97545373d79c7750a32cdfd66849b495c47108af9240447bcc55. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5XsBjEtANujgu5ufCTSCui.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/5XsBjEtANujgu5ufCTSCui.
  date published: 2026-07-02T16:51:38Z

Slaughter
type: MusicRecording
duration: PT2M42S
duration ms: 162237
explicit: false
by artist: Niis
in album: Slaughter
  type: MusicAlbum
  date published: 2020-02-26
isrc code: TCAER2050531
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T15:57:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99104fad70e6d4c51d774d43fea59a1e90ba52241a0dab9e91ef802c6618b228
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5WLbPolaJE4fsuR33kNOMk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5WLbPolaJE4fsuR33kNOMk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99104fad70e6d4c51d774d43fea59a1e90ba52241a0dab9e91ef802c6618b228. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5WLbPolaJE4fsuR33kNOMk.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/5WLbPolaJE4fsuR33kNOMk.
  date published: 2026-07-02T03:30:09Z

180
type: MusicRecording
duration: PT2M53S
duration ms: 173499
explicit: false
by artist: Niis
in album: 180
  type: MusicAlbum
  date published: 2020-02-26
isrc code: TCAER2050464
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T19:19:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6eee1568e22bb845f09fe772587bbc8b9e7ef30f1c33849647e6842f96aab0d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956302
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5Lw22pTzSQgJVGsmK41hGe.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Lw22pTzSQgJVGsmK41hGe
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eee1568e22bb845f09fe772587bbc8b9e7ef30f1c33849647e6842f96aab0d4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Lw22pTzSQgJVGsmK41hGe.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/5Lw22pTzSQgJVGsmK41hGe.
  date published: 2026-07-02T03:30:09Z