Ukulele Picnic
type: MusicGroup
genre: chinese indie
popularity: 5
followers: 53
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe8560f9a35c1715c56d53720be356883b4a34b2b463a3721211c85060afb748
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/57ac23a4-3f27-4d70-ad82-86e4dfa4659b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/57ac23a4-3f27-4d70-ad82-86e4dfa4659b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/57ac23a4-3f27-4d70-ad82-86e4dfa4659b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfe8560f9a35c1715c56d53720be356883b4a34b2b463a3721211c85060afb748","name":"Ukulele Picnic","registered_at":"2026-06-16T20:07:16Z","symbol":"NIM1161539","token_address":"0x8cb4cfff189db1bcc7508d3e22c0e5ad3adb7219","type":"artist","uuid":"57ac23a4-3f27-4d70-ad82-86e4dfa4659b"}
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 0xfe8560f9a35c1715c56d53720be356883b4a34b2b463a3721211c85060afb748. 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/57ac23a4-3f27-4d70-ad82-86e4dfa4659b.json and https://artists.proofprofile.net/proofs/artist/57ac23a4-3f27-4d70-ad82-86e4dfa4659b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xfe8560f9a35c1715c56d53720be356883b4a34b2b463a3721211c85060afb748","name":"Ukulele Picnic","registered_at":"2026-06-16T20:07:16Z","symbol":"NIM1161539","token_address":"0x8cb4cfff189db1bcc7508d3e22c0e5ad3adb7219","type":"artist","uuid":"57ac23a4-3f27-4d70-ad82-86e4dfa4659b"}
album: UKULELE PICNIC
  type: MusicAlbum
  date published: 2010-06-17
  track: A Lover's Concerto
    type: MusicRecording
    duration: PT3M31S
    duration ms: 211591
    explicit: false
    by artist: Ukulele Picnic
    in album: UKULELE PICNIC
      type: MusicAlbum
      date published: 2010-06-17
    genre: chinese indie
    isrc code: KRA382050549
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T13:05:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2e5470c63709d7db1f575d9a57d75e1fc0e60d10062686ffe229f3cdb63e978b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/KRA382050549
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0x2e5470c63709d7db1f575d9a57d75e1fc0e60d10062686ffe229f3cdb63e978b. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/KRA382050549.
      date published: 2026-07-18T19:27:02Z
    audio: A Lover's Concerto
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 112.014
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.658
      additional property: Energy
        type: PropertyValue
        value: 0.573
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.843
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.004
      additional property: Liveness
        type: PropertyValue
        value: 0.359
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.494
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.72
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
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