Collectif Nos
type: MusicGroup
genre: celtic rock
genre: chanson
genre: sea shanties
popularity: 9
followers: 145
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x371a8b90f210bd4fad6c71b71e0b5b853cb47716eef15341fa5544a43bfe78c7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954603
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c02c635c-af34-4838-919e-64211c01459e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c02c635c-af34-4838-919e-64211c01459e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c02c635c-af34-4838-919e-64211c01459e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T21:47:54Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x371a8b90f210bd4fad6c71b71e0b5b853cb47716eef15341fa5544a43bfe78c7","name":"Collectif Nos","registered_at":"2026-06-20T19:01:30Z","symbol":"NIM1686201","token_address":"0x815ca6fee5c903d9e0568d3f8763b6d719f7d277","type":"artist","uuid":"c02c635c-af34-4838-919e-64211c01459e"}
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 0x371a8b90f210bd4fad6c71b71e0b5b853cb47716eef15341fa5544a43bfe78c7. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c02c635c-af34-4838-919e-64211c01459e.json and https://artists.proofprofile.net/proofs/artist/c02c635c-af34-4838-919e-64211c01459e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
  text: {"copyright_id":"0x371a8b90f210bd4fad6c71b71e0b5b853cb47716eef15341fa5544a43bfe78c7","name":"Collectif Nos","registered_at":"2026-06-20T19:01:30Z","symbol":"NIM1686201","token_address":"0x815ca6fee5c903d9e0568d3f8763b6d719f7d277","type":"artist","uuid":"c02c635c-af34-4838-919e-64211c01459e"}
album: Nos prisons
  type: MusicAlbum
  date published: 2021-10-08
album: Ici la mer
  type: MusicAlbum
  date published: 2023-03-17
album: Un homme à la mer
  type: MusicAlbum
  date published: 2023-04-21
album: Nos marins
  type: MusicAlbum
  date published: 2023-05-12
  track: Ici la mer
    type: MusicRecording
    duration: PT2M42S
    duration ms: 162133
    explicit: false
    by artist: Collectif Nos
    in album: Nos marins
      type: MusicAlbum
      date published: 2023-05-12
    genre: celtic rock
    genre: chanson
    genre: sea shanties
    isrc code: FR9W12252190
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T15:06:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xdd9cd559c44885cb3a07b125c4ab995bc3dc9d34669db947997a718600992160
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958568
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958568
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252190
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T15:23:47Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd9cd559c44885cb3a07b125c4ab995bc3dc9d34669db947997a718600992160. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252190.
      date published: 2026-07-18T15:23:47Z
    audio: Ici la mer
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 113.651
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.555
      additional property: Energy
        type: PropertyValue
        value: 0.419
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.595
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.151
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.725
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.898
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Ma vie est partagée
    type: MusicRecording
    duration: PT2M18S
    duration ms: 138674
    explicit: false
    by artist: Collectif Nos
    in album: Nos marins
      type: MusicAlbum
      date published: 2023-05-12
    genre: celtic rock
    genre: chanson
    genre: sea shanties
    isrc code: FR9W12252192
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x17ea91d7a5f2b1211e23d2b5b689f1fc6c5f289d6d837e8c1fe35284de7aea62
    additional property: OTSHash
    additional property: OTSBitcoinBlock
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      value: 958842
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958842
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252192
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T10:06:43Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ea91d7a5f2b1211e23d2b5b689f1fc6c5f289d6d837e8c1fe35284de7aea62. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:06:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252192.
      date published: 2026-07-20T10:06:43Z
    audio: Ma vie est partagée
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 104.138
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.782
      additional property: Energy
        type: PropertyValue
        value: 0.426
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Un homme à la mer
album: Bondemain
album: Mauritanie

Speechiness
type: PropertyValue
value: 0.037

Acousticness
type: PropertyValue
value: 0.627

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.123

Valence (Positivity)
type: PropertyValue
value: 0.795

Loudness (dB)
type: PropertyValue
value: -6.632

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

Un homme à la mer
type: MusicRecording
duration: PT2M46S
duration ms: 166377
explicit: true
by artist: Collectif Nos
in album: Nos marins
  type: MusicAlbum
  date published: 2023-05-12
genre: celtic rock
genre: chanson
genre: sea shanties
isrc code: FR9W12252193
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T00:59:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9af120ebe0159d53404a653738dda8fc10661058cbfcf4c616f94b5db9dfe283
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252193
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af120ebe0159d53404a653738dda8fc10661058cbfcf4c616f94b5db9dfe283. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12252193.
  date published: 2026-07-19T07:14:39Z
audio: Un homme à la mer
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.947
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.538
  additional property: Energy
    type: PropertyValue
    value: 0.667
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.554
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.738
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.821
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bondemain
type: MusicAlbum
date published: 2024-02-01

Mauritanie
type: MusicAlbum
date published: 2024-06-28