Bill Wolfgramm & His Islanders
type: MusicGroup
genre: exotica
popularity: 4
followers: 179
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cc88c4a3ea03e80e160a10ffbc68574877499e4e8f0cfa9946dc0793213a39c. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/718b7703-df20-42f9-84a9-2ea56439f880.json and https://artists.proofprofile.net/proofs/artist/718b7703-df20-42f9-84a9-2ea56439f880.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x6cc88c4a3ea03e80e160a10ffbc68574877499e4e8f0cfa9946dc0793213a39c","name":"Bill Wolfgramm & His Islanders","registered_at":"2026-06-17T05:14:39Z","symbol":"NIM1292162","token_address":"0x1c020e3fa6bd2951e601c9d35338ba0e9e49d211","type":"artist","uuid":"718b7703-df20-42f9-84a9-2ea56439f880"}
album: South Sea Rhythm/ Melodies of Maoriland
  type: MusicAlbum
  date published: 1956-03-21
  track: Haere Mai - 2015 Remastered Version
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191306
    explicit: false
    by artist: Bill Wolfgramm & His Islanders
    in album: South Sea Rhythm/ Melodies of Maoriland
      type: MusicAlbum
      date published: 1956-03-21
    genre: exotica
    isrc code: NZFZO1900863
    additional property: CopyrightID
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZFZO1900863
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T19:09:32Z
    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 0x35e7c831545f13f9ef09b0f710799b54dea4436fc351ffa00c223e148ed0f627. Chain 2 (Bitcoin): anchored in block 958907 (2026-07-20T19:09:32Z), 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/NZFZO1900863.
      date published: 2026-07-20T19:09:32Z
    audio: Haere Mai - 2015 Remastered Version
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.224
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.711
      additional property: Energy
        type: PropertyValue
        value: 0.141
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
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        value: 0.964
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.092
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.675
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.784
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: South Sea Rhythm/ Melodies Of Maoriland (2015 Remastered version)
  type: MusicAlbum
  date published: 1956-03-21
album: South Sea Rhythm/ Melodies Of Maoriland (2015 Remastered version)
  type: MusicAlbum
  date published: 1956-03-21
album: Sea & Sand (Hawaii & Through The South Pacific)
  type: MusicAlbum
  date published: 1970-05-01
album: Sea & Sand (Hawaii & Through the South Pacific)
  type: MusicAlbum
  date published: 1970-10-26