Franco
type: MusicGroup
genre: rumba congolaise
popularity: 4
followers: 71
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x957c2122f2c34d00bfb7e10ef7644a521e6928af14d8a4d0b4c571a5bb32b4f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/561e369b-0292-4862-add4-bf4f808ffe57.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/561e369b-0292-4862-add4-bf4f808ffe57.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/561e369b-0292-4862-add4-bf4f808ffe57
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
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 → 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 0x957c2122f2c34d00bfb7e10ef7644a521e6928af14d8a4d0b4c571a5bb32b4f8. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/561e369b-0292-4862-add4-bf4f808ffe57.json and https://artists.proofprofile.net/proofs/artist/561e369b-0292-4862-add4-bf4f808ffe57.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
album: En Colère, Vol. 1
  type: MusicAlbum
  date published: 1980-12-09
  track: Ndaya
    type: MusicRecording
    duration: PT8M27S
    duration ms: 507383
    explicit: false
    by artist: Franco
    in album: En Colère, Vol. 1
      type: MusicAlbum
      date published: 1980-12-09
    genre: rumba congolaise
    isrc code: USL4Q2415925
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:45:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x190ce4dd6f5c918ded86d818560a2adf4435c21e8d113e101250fb5bad9c0ab6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956841
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956841
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2415925
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T22:14:35Z
    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 0x190ce4dd6f5c918ded86d818560a2adf4435c21e8d113e101250fb5bad9c0ab6. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), 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/USL4Q2415925.
      date published: 2026-07-05T22:14:35Z
    audio: Ndaya
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 114.562
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.538
      additional property: Energy
        type: PropertyValue
        value: 0.714
      additional property: Speechiness
        type: PropertyValue
        value: 0.337
      additional property: Acousticness
        type: PropertyValue
        value: 0.416
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.763
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.202
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor