Instrumental Jazz Italia
type: MusicGroup
popularity: 19
followers: 581
additional property: CopyrightID
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ebe60a066526cff43680ed0fb6d60afcbc333200d2a2fe5eb2b8ab3fc5832b5. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e1c8590f-7537-490b-a22e-7081b353d0d0.json and https://artists.proofprofile.net/proofs/artist/e1c8590f-7537-490b-a22e-7081b353d0d0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T15:41:00Z
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album: Bossa Jazz in Bologna
  type: MusicAlbum
  date published: 2019-07-27
album: Bebop Jazz in Milano
  type: MusicAlbum
  date published: 2019-10-02
album: Rhythmic Jazz in Roma
  type: MusicAlbum
  date published: 2019-11-12
album: Guitar Jazz in Bari
  type: MusicAlbum
  date published: 2019-11-13
album: Slow Jazz Ballads in Firenze
  type: MusicAlbum
  date published: 2019-11-18
album: Bossa Jazz in Torino
  type: MusicAlbum
  date published: 2019-12-06
  track: Classy Italian Coffee House
    type: MusicRecording
    duration: PT2M17S
    duration ms: 137147
    explicit: false
    by artist: Instrumental Jazz Italia
    in album: Bossa Jazz in Torino
      type: MusicAlbum
      date published: 2019-12-06
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
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    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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18c3587799e52761c0cf521dd74192d28adb73469b7d37fb61253c17386740a9. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:37:32Z), 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/GBSMU7281453.
      date published: 2026-07-19T16:37:32Z
    audio: Classy Italian Coffee House
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
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        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
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        value: 0.854
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.063
      additional property: Acousticness
        type: PropertyValue
        value: 0.53
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.918
      additional property: Liveness
        type: PropertyValue
        value: 0.089
      additional property: Valence (Positivity)
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        value: 0.811
      additional property: Loudness (dB)
        type: PropertyValue
        value: -28.315
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Piano Ballads in Palermo
  type: MusicAlbum
  date published: 2020-01-15