James Head
type: MusicGroup
description: James Head may refer to: James Head (director), Canadian filmmaker James Head (fighter) (born 1984), American mixed martial artist James Marshall Head (1855–1930), mayor of Nashville, Tennessee J
popularity: 3
followers: 10
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/3d4d872f-d335-4979-b26e-9da8c32ffb46.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/3d4d872f-d335-4979-b26e-9da8c32ffb46.json
additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
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  value: {"copyright_id":"0xaa8adc2746342c971c8c872c95c71310e72743e90f80a6bfb2f2b8c2c0de62b7","name":"James Head","registered_at":"2026-06-16T10:54:56Z","symbol":"NIM1029760","token_address":"0x3c07b864de795d514852ac52805a2621600b2b3d","type":"artist","uuid":"3d4d872f-d335-4979-b26e-9da8c32ffb46"}
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa8adc2746342c971c8c872c95c71310e72743e90f80a6bfb2f2b8c2c0de62b7. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3d4d872f-d335-4979-b26e-9da8c32ffb46.json and https://artists.proofprofile.net/proofs/artist/3d4d872f-d335-4979-b26e-9da8c32ffb46.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xaa8adc2746342c971c8c872c95c71310e72743e90f80a6bfb2f2b8c2c0de62b7","name":"James Head","registered_at":"2026-06-16T10:54:56Z","symbol":"NIM1029760","token_address":"0x3c07b864de795d514852ac52805a2621600b2b3d","type":"artist","uuid":"3d4d872f-d335-4979-b26e-9da8c32ffb46"}
track: Thank You Very Much (from Scrooge)
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218812
  explicit: false
  by artist: Anthony Newley
  by artist: James Head
  in album: The Best of West End Musicals
    type: MusicAlbum
    date published: 2017-11-17
  isrc code: GBDGA0301737
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    value: registered
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBDGA0301737
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 0x2220938a06fbd6379dcbefc835de47a3bbaf35853219cec708eb2d7a82bd76c0. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/GBDGA0301737.
    date published: 2026-07-31T00:26:26Z
  audio: Thank You Very Much (from Scrooge)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 131.253
    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.376
    additional property: Valence (Positivity)
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      value: 0.574
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.266
    additional property: Key Name
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      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major