Samuel Marchais
type: MusicGroup
popularity: 2
followers: 33
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3551ab8b1bc8376079a0e5a3ed8ce0b984373dd7c095c7fa6c480eecda9a78e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/870f4e20-8827-481b-b700-bf049ef9f1b5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/870f4e20-8827-481b-b700-bf049ef9f1b5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/870f4e20-8827-481b-b700-bf049ef9f1b5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x3551ab8b1bc8376079a0e5a3ed8ce0b984373dd7c095c7fa6c480eecda9a78e6","name":"Samuel Marchais","registered_at":"2026-06-17T12:43:20Z","symbol":"NIM1399119","token_address":"0x75f1e9ea395f945b93627971e67c3ce84e432b01","type":"artist","uuid":"870f4e20-8827-481b-b700-bf049ef9f1b5"}
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 0x3551ab8b1bc8376079a0e5a3ed8ce0b984373dd7c095c7fa6c480eecda9a78e6. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/870f4e20-8827-481b-b700-bf049ef9f1b5.json and https://artists.proofprofile.net/proofs/artist/870f4e20-8827-481b-b700-bf049ef9f1b5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x3551ab8b1bc8376079a0e5a3ed8ce0b984373dd7c095c7fa6c480eecda9a78e6","name":"Samuel Marchais","registered_at":"2026-06-17T12:43:20Z","symbol":"NIM1399119","token_address":"0x75f1e9ea395f945b93627971e67c3ce84e432b01","type":"artist","uuid":"870f4e20-8827-481b-b700-bf049ef9f1b5"}
album: SPACEFOX (Bass Boosted Edition)
  type: MusicAlbum
  date published: 2019-09-13
album: Spacefox
  type: MusicAlbum
  date published: 2020-01-01
  track: Spacefox
    type: MusicRecording
    duration: PT1M21S
    duration ms: 81642
    explicit: false
    by artist: Samuel Marchais
    in album: Spacefox
      type: MusicAlbum
      date published: 2020-01-01
    isrc code: GX4R52278444
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T01:14:13+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x11cab95e022112c31f20b5d662faa0b2fa193d53e18ad2a84e7539d83a0609e4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958951
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958951
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GX4R52278444
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T04:09:46Z
    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 0x11cab95e022112c31f20b5d662faa0b2fa193d53e18ad2a84e7539d83a0609e4. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:09:46Z), 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/GX4R52278444.
      date published: 2026-07-21T04:09:46Z
    audio: Spacefox
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 140.019
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.493
      additional property: Energy
        type: PropertyValue
        value: 0.594
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.067
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.044
      additional property: Liveness
        type: PropertyValue
        value: 0.142
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.04
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.826
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: SPACEFOX (Sped Up)
  type: MusicAlbum
  date published: 2024-01-13