Laurent Sureau
type: MusicGroup
popularity: 6
followers: 249
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1eedeb73ed8dc36ff1eeea0b1cb82c4c08cfe459a0add6bf7a78101fb10cdca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae89738a-f625-4957-ae55-f2a8bb927005.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ae89738a-f625-4957-ae55-f2a8bb927005.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ae89738a-f625-4957-ae55-f2a8bb927005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf1eedeb73ed8dc36ff1eeea0b1cb82c4c08cfe459a0add6bf7a78101fb10cdca","name":"Laurent Sureau","registered_at":"2026-06-20T10:59:51Z","symbol":"NIM1597705","token_address":"0x4d76af9723c536097d2581758e2023c813f09da6","type":"artist","uuid":"ae89738a-f625-4957-ae55-f2a8bb927005"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1eedeb73ed8dc36ff1eeea0b1cb82c4c08cfe459a0add6bf7a78101fb10cdca. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ae89738a-f625-4957-ae55-f2a8bb927005.json and https://artists.proofprofile.net/proofs/artist/ae89738a-f625-4957-ae55-f2a8bb927005.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0xf1eedeb73ed8dc36ff1eeea0b1cb82c4c08cfe459a0add6bf7a78101fb10cdca","name":"Laurent Sureau","registered_at":"2026-06-20T10:59:51Z","symbol":"NIM1597705","token_address":"0x4d76af9723c536097d2581758e2023c813f09da6","type":"artist","uuid":"ae89738a-f625-4957-ae55-f2a8bb927005"}
album: Prelude BWV 846
  type: MusicAlbum
  date published: 2024-02-16
album: Tristecita
  type: MusicAlbum
  date published: 2024-03-08
album: Human being
  type: MusicAlbum
  date published: 2024-03-29
  track: Prelude BWV 846
    type: MusicRecording
    duration: PT2M34S
    duration ms: 154000
    explicit: false
    by artist: Laurent Sureau
    in album: Human being
      type: MusicAlbum
      date published: 2024-03-29
    isrc code: FR9W12359800
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T10:46:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x35a0763494ec87bdd299aad6b857fed4d3a7654a105504b1356de438d148d1ea
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958152
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958152
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR9W12359800
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T12:00:27Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a0763494ec87bdd299aad6b857fed4d3a7654a105504b1356de438d148d1ea. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), 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/FR9W12359800.
      date published: 2026-07-15T12:00:27Z
    audio: Prelude BWV 846
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.048
      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: 0.36
      additional property: Energy
        type: PropertyValue
        value: 0.144
      additional property: Speechiness
        type: PropertyValue
        value: 0.051
      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.953
      additional property: Liveness
        type: PropertyValue
        value: 0.084
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.812
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.775
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Prelude n°1 in G major BWV 1007
  type: MusicAlbum
  date published: 2024-09-27
album: Siko farafina la
  type: MusicAlbum
  date published: 2024-10-18
album: Unlimited
  type: MusicAlbum
  date published: 2024-11-08