Johnny Dankworth And His Orchestra
type: MusicGroup
popularity: 5
followers: 253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954549
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954549
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a9c36ad2-8111-47e1-89e6-bdc2ead42b51.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/a9c36ad2-8111-47e1-89e6-bdc2ead42b51.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b0c2c2a515595658dd88f4eac0eaeaccf53f21a9137511a059045a15b487e95. Chain 2 (Bitcoin): anchored in block 954549 (2026-06-20T10:56:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a9c36ad2-8111-47e1-89e6-bdc2ead42b51.json and https://artists.proofprofile.net/proofs/artist/a9c36ad2-8111-47e1-89e6-bdc2ead42b51.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T10:56:20Z
  text: {"copyright_id":"0x2b0c2c2a515595658dd88f4eac0eaeaccf53f21a9137511a059045a15b487e95","name":"Johnny Dankworth And His Orchestra","registered_at":"2026-06-20T09:16:52Z","symbol":"NIM1576152","token_address":"0xbed72142c41cc50c9076031ba751679e93e2793f","type":"artist","uuid":"a9c36ad2-8111-47e1-89e6-bdc2ead42b51"}
album: Journey Into Jazz
  type: MusicAlbum
  date published: 2000-01-01
album: Dankworth Blues
  type: MusicAlbum
  date published: 2008-05-05
album: Johnny's Big Jazz Story, Vol. 4
  type: MusicAlbum
  date published: 2008-05-05
album: Johnny's Big Jazz Story, Vol. 1
  type: MusicAlbum
  date published: 2008-05-05
album: Itinerary Of An Orchestra
  type: MusicAlbum
  date published: 2008-05-05
album: Johnny's Big Jazz Story, Vol. 2
  type: MusicAlbum
  date published: 2008-05-05
album: Johnny's Big Jazz Story, Vol. 3
  type: MusicAlbum
  date published: 2008-05-05
album: Dankworth Plays "My Fair Lady"
  type: MusicAlbum
  date published: 2013-03-01
album: African Waltz
  type: MusicAlbum
  date published: 2013-11-21
track: African Waltz
  type: MusicRecording
  duration: PT2M22S
  duration ms: 142120
  explicit: false
  by artist: Johnny Dankworth And His Orchestra
  in album: Pure 60s
    type: MusicAlbum
    date published: 2007-09-24
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    value: registered
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957067
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYE6100205
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-07T16:54:37Z
  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 0xa9b51cf5c7d1f887c7f98364697730aa4c92d4c598a8756eee94a2c7bc1ef3c8. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/GBAYE6100205.
    date published: 2026-07-07T16:54:37Z
  audio: African Waltz
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.25
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.505
    additional property: Energy
      type: PropertyValue
      value: 0.53
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.125
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.043
    additional property: Liveness
      type: PropertyValue
      value: 0.307
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.894
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.529
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor