Nicolas Ker
type: MusicGroup
genre: french indie pop
genre: psychobilly
genre: rockabilly
popularity: 12
followers: 1587
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2055c421d7e640145e82aefe844f4a256e44d9f8c701b8b6aa2f7c5d9c607bd2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953697
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953697
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5c51933a-c7a8-461d-bca4-a1efdf16036d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/5c51933a-c7a8-461d-bca4-a1efdf16036d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/5c51933a-c7a8-461d-bca4-a1efdf16036d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:49:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2055c421d7e640145e82aefe844f4a256e44d9f8c701b8b6aa2f7c5d9c607bd2","name":"Nicolas Ker","registered_at":"2026-06-14T14:05:24Z","symbol":"NIM0476158","token_address":"0xe3cd2d54a08f226d1f27d1e25aca02435ad30a32","type":"artist","uuid":"5c51933a-c7a8-461d-bca4-a1efdf16036d"}
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 0x2055c421d7e640145e82aefe844f4a256e44d9f8c701b8b6aa2f7c5d9c607bd2. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/5c51933a-c7a8-461d-bca4-a1efdf16036d.json and https://artists.proofprofile.net/proofs/artist/5c51933a-c7a8-461d-bca4-a1efdf16036d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
  text: {"copyright_id":"0x2055c421d7e640145e82aefe844f4a256e44d9f8c701b8b6aa2f7c5d9c607bd2","name":"Nicolas Ker","registered_at":"2026-06-14T14:05:24Z","symbol":"NIM0476158","token_address":"0xe3cd2d54a08f226d1f27d1e25aca02435ad30a32","type":"artist","uuid":"5c51933a-c7a8-461d-bca4-a1efdf16036d"}
album: Les faubourgs de l'exil
  type: MusicAlbum
  date published: 2016-02-12
album: Les faubourgs de l'exil
  type: MusicAlbum
  date published: 2016-02-12
  track: The Suburbs of Exil
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218769
    explicit: false
    by artist: Nicolas Ker
    in album: Les faubourgs de l'exil
      type: MusicAlbum
      date published: 2016-02-12
    genre: french indie pop
    genre: psychobilly
    genre: rockabilly
    isrc code: FR2FD1500092
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T08:24:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x6781f3e8fff90040ec2669ce818f4b5e787e4009055cde658339fddca49d880b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2FD1500092
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0x6781f3e8fff90040ec2669ce818f4b5e787e4009055cde658339fddca49d880b. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/FR2FD1500092.
      date published: 2026-07-05T10:01:46Z
    audio: The Suburbs of Exil
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.017
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.299
      additional property: Energy
        type: PropertyValue
        value: 0.553
      additional property: Speechiness
        type: PropertyValue
        value: 0.028
      additional property: Acousticness
        type: PropertyValue
        value: 0.609
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.319
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.341
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.484
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Les faubourgs de l'exil
  type: MusicAlbum
  date published: 2016-02-12
album: Les faubourgs de l'exil
  type: MusicAlbum
  date published: 2016-02-12
album: La mémoire perdue à nouveau
  type: MusicAlbum
  date published: 2022-05-26