Al Violin
type: MusicGroup
popularity: 6
followers: 34
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26cbc44a4aaf522dabc233c8621ae7f838bb8d94ca7e994124d19114a5afe1d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7319cea2-babd-4c94-a2b7-e93b6c1511f2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/7319cea2-babd-4c94-a2b7-e93b6c1511f2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/7319cea2-babd-4c94-a2b7-e93b6c1511f2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x26cbc44a4aaf522dabc233c8621ae7f838bb8d94ca7e994124d19114a5afe1d8","name":"Al Violin","registered_at":"2026-06-17T05:48:06Z","symbol":"NIM1300131","token_address":"0x4e895776f314caa6fec73c7656d5f58529f82f5c","type":"artist","uuid":"7319cea2-babd-4c94-a2b7-e93b6c1511f2"}
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 0x26cbc44a4aaf522dabc233c8621ae7f838bb8d94ca7e994124d19114a5afe1d8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/7319cea2-babd-4c94-a2b7-e93b6c1511f2.json and https://artists.proofprofile.net/proofs/artist/7319cea2-babd-4c94-a2b7-e93b6c1511f2.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x26cbc44a4aaf522dabc233c8621ae7f838bb8d94ca7e994124d19114a5afe1d8","name":"Al Violin","registered_at":"2026-06-17T05:48:06Z","symbol":"NIM1300131","token_address":"0x4e895776f314caa6fec73c7656d5f58529f82f5c","type":"artist","uuid":"7319cea2-babd-4c94-a2b7-e93b6c1511f2"}
album: Musica Para Todos, Vol. 3
  type: MusicAlbum
  date published: 2014-03-11
  track: España Cani
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148000
    explicit: false
    by artist: Al Violin
    in album: Musica Para Todos, Vol. 3
      type: MusicAlbum
      date published: 2014-03-11
    isrc code: FRZ511400029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T01:15:48+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc1c246fb3a789324bf6d3e8bd5652ce3fb12ee623fd8df29635dabe966db5cab
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958480
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958480
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ511400029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T02:58:58Z
    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 0xc1c246fb3a789324bf6d3e8bd5652ce3fb12ee623fd8df29635dabe966db5cab. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ511400029 — a six-check JSON result.
      date published: 2026-07-18T02:58:58Z
    audio: España Cani
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.384
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.605
      additional property: Energy
        type: PropertyValue
        value: 0.305
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.869
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.213
      additional property: Liveness
        type: PropertyValue
        value: 0.076
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.73
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.551
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Trompeta Taurina
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209426
    explicit: false
    by artist: Al Violin
    in album: Musica Para Todos, Vol. 3
      type: MusicAlbum
      date published: 2014-03-11
    isrc code: FRZ511400034
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T08:26:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5a8578c057a0b70a785c69064f7c43f58876c6470612fbbd5866f23445388fae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958853
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958853
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ511400034
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T09:11:53Z
    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 0x5a8578c057a0b70a785c69064f7c43f58876c6470612fbbd5866f23445388fae. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T09:11:53Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ511400034 — a six-check JSON result.
      date published: 2026-07-20T09:11:53Z
    audio: Trompeta Taurina
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 92.446
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.408
      additional property: Energy
        type: PropertyValue
        value: 0.222
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.894
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.789
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.668
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.44
      additional property: Key Name
      additional property: Mode Name

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major