Stuarface
type: MusicGroup
popularity: 5
followers: 1505
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4ac4fcbe8829b833233e39922013357b84b18a18882e62c82c045f24a29e14e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954046
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954046
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/41953c94-94c1-4ffe-aedc-3a2bd8666dc0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/41953c94-94c1-4ffe-aedc-3a2bd8666dc0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/41953c94-94c1-4ffe-aedc-3a2bd8666dc0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:53:03Z
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 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 0xd4ac4fcbe8829b833233e39922013357b84b18a18882e62c82c045f24a29e14e. Chain 2 (Bitcoin): anchored in block 954046 (2026-06-17T04:53:03Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/41953c94-94c1-4ffe-aedc-3a2bd8666dc0.json and https://artists.proofprofile.net/proofs/artist/41953c94-94c1-4ffe-aedc-3a2bd8666dc0.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-17T04:53:03Z
album: El Ombligo del Mundo
  type: MusicAlbum
  date published: 2024-10-27
album: Serenata al Corazón
  type: MusicAlbum
  date published: 2024-10-28
  track: Serenata al Corazón
    type: MusicRecording
    duration: PT3M25S
    duration ms: 205258
    explicit: false
    by artist: Stuarface
    in album: Serenata al Corazón
      type: MusicAlbum
      date published: 2024-10-28
    isrc code: QZTVM2490767
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T13:07:43+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd25d35bcd7376c25583f8f9756f621c018680a16e67562d7c4739a35e8490e70
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTVM2490767
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T13:24:39Z
    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 0xd25d35bcd7376c25583f8f9756f621c018680a16e67562d7c4739a35e8490e70. Chain 2 (Bitcoin): anchored in block 958889 (2026-07-20T13:24:39Z), 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/QZTVM2490767 — a six-check JSON result.
      date published: 2026-07-20T13:24:39Z
    audio: Serenata al Corazón
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 172.005
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.59
      additional property: Energy
        type: PropertyValue
        value: 0.732
      additional property: Speechiness
        type: PropertyValue
        value: 0.404
      additional property: Acousticness
        type: PropertyValue
        value: 0.241
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.135
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.712
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.458
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
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  type: MusicAlbum
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