Harry James
type: MusicGroup
description: Harry Haag James (March 15, 1916 – July 5, 1983) was an American musician who is best known as a trumpet-playing band leader who led a big band to great commercial success from 1939 to 1946. He broke
popularity: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32a6d731aefd7c7bc7ea748677713cbfb78f3bc31471b588196f490b98332115
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954516
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954516
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0c4b4dc-77cd-4b81-95de-1ccc58174cd7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0c4b4dc-77cd-4b81-95de-1ccc58174cd7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a0c4b4dc-77cd-4b81-95de-1ccc58174cd7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T07:04:44Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x32a6d731aefd7c7bc7ea748677713cbfb78f3bc31471b588196f490b98332115","name":"Harry James","registered_at":"2026-06-20T05:57:57Z","symbol":"NIM1532292","token_address":"0xde5402e18256ff0f6e747de321df56ce2912d154","type":"artist","uuid":"a0c4b4dc-77cd-4b81-95de-1ccc58174cd7"}
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32a6d731aefd7c7bc7ea748677713cbfb78f3bc31471b588196f490b98332115. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a0c4b4dc-77cd-4b81-95de-1ccc58174cd7.json and https://artists.proofprofile.net/proofs/artist/a0c4b4dc-77cd-4b81-95de-1ccc58174cd7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
  text: {"copyright_id":"0x32a6d731aefd7c7bc7ea748677713cbfb78f3bc31471b588196f490b98332115","name":"Harry James","registered_at":"2026-06-20T05:57:57Z","symbol":"NIM1532292","token_address":"0xde5402e18256ff0f6e747de321df56ce2912d154","type":"artist","uuid":"a0c4b4dc-77cd-4b81-95de-1ccc58174cd7"}
album: Stellara
  type: MusicAlbum
  date published: 2025-01-25
  track: Stellara
    type: MusicRecording
    duration: PT1M53S
    duration ms: 113464
    explicit: false
    by artist: Harry James
    in album: Stellara
      type: MusicAlbum
      date published: 2025-01-25
    isrc code: TCAJG2509041
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    additional property: CopyrightStatus
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
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      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCAJG2509041
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1054fe34491442a3c6ba0a12f3518abcab32aa5c701fa1820d185de40803a0a9. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/TCAJG2509041.
      date published: 2026-07-05T10:59:37Z
    audio: Stellara
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.001
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.509
      additional property: Energy
        type: PropertyValue
        value: 0.267
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.025
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.904
      additional property: Liveness
        type: PropertyValue
        value: 0.107
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.151
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.821
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major