Boston Duo
type: MusicGroup
popularity: 8
followers: 88
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa015304b8beb6570565c45d61077add2069b3d8b074f5e37de09bde8e508d63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954553
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab943496-46f1-4b7e-af17-1edb710fd159.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ab943496-46f1-4b7e-af17-1edb710fd159.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ab943496-46f1-4b7e-af17-1edb710fd159
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfa015304b8beb6570565c45d61077add2069b3d8b074f5e37de09bde8e508d63","name":"Boston Duo","registered_at":"2026-06-20T09:57:45Z","symbol":"NIM1585273","token_address":"0xcfcf7f4beb411d646830de3eb51d08e5fbc5d5ed","type":"artist","uuid":"ab943496-46f1-4b7e-af17-1edb710fd159"}
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 0xfa015304b8beb6570565c45d61077add2069b3d8b074f5e37de09bde8e508d63. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ab943496-46f1-4b7e-af17-1edb710fd159.json and https://artists.proofprofile.net/proofs/artist/ab943496-46f1-4b7e-af17-1edb710fd159.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0xfa015304b8beb6570565c45d61077add2069b3d8b074f5e37de09bde8e508d63","name":"Boston Duo","registered_at":"2026-06-20T09:57:45Z","symbol":"NIM1585273","token_address":"0xcfcf7f4beb411d646830de3eb51d08e5fbc5d5ed","type":"artist","uuid":"ab943496-46f1-4b7e-af17-1edb710fd159"}
album: Balancing Act
  type: MusicAlbum
  date published: 2021-07-28
  track: Cancion del Mariachi
    type: MusicRecording
    duration: PT2M8S
    duration ms: 128345
    explicit: false
    by artist: Boston Duo
    in album: Balancing Act
      type: MusicAlbum
      date published: 2021-07-28
    isrc code: NLG620619850
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:28:11+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4ad4b9db88521a6708f5a44e725fdeb5599ecdecb31b5cf444876284e851dc86
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956402
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956402
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLG620619850
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T03:22:48Z
    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 0x4ad4b9db88521a6708f5a44e725fdeb5599ecdecb31b5cf444876284e851dc86. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T03:22:48Z), 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/NLG620619850.
      date published: 2026-07-17T03:22:48Z
    audio: Cancion del Mariachi
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.71
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 1
      additional property: Danceability
        type: PropertyValue
        value: 0.599
      additional property: Energy
        type: PropertyValue
        value: 0.314
      additional property: Speechiness
        type: PropertyValue
        value: 0.057
      additional property: Acousticness
        type: PropertyValue
        value: 0.89
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.905
      additional property: Liveness
        type: PropertyValue
        value: 0.107
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.241
      additional property: Loudness (dB)
        type: PropertyValue
        value: -16.993
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Guitar Sunrise
  type: MusicAlbum
  date published: 2022-02-21
album: Acoustic Joy
  type: MusicAlbum
  date published: 2022-12-16
album: Acoustic Joy
  type: MusicAlbum
  date published: 2022-12-16
album: Acoustic Blends
  type: MusicAlbum
  date published: 2023-12-01
album: Acoustic Blends
  type: MusicAlbum
  date published: 2023-12-01