つばさ∞
type: MusicGroup
genre: japanese indie
popularity: 5
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x32aa887a2fee1b614d05284e8df18d5228c26e26d6e26c029e340eccd1a79309
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cda6b008-ee2e-4e60-9999-070c23733334.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cda6b008-ee2e-4e60-9999-070c23733334.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cda6b008-ee2e-4e60-9999-070c23733334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x32aa887a2fee1b614d05284e8df18d5228c26e26d6e26c029e340eccd1a79309","name":"つばさ∞","registered_at":"2026-06-20T23:40:57Z","symbol":"NIM1751700","token_address":"0x9301e85361fae8fb9b1aedd31c04caf2bbfc4b76","type":"artist","uuid":"cda6b008-ee2e-4e60-9999-070c23733334"}
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 0x32aa887a2fee1b614d05284e8df18d5228c26e26d6e26c029e340eccd1a79309. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/cda6b008-ee2e-4e60-9999-070c23733334.json and https://artists.proofprofile.net/proofs/artist/cda6b008-ee2e-4e60-9999-070c23733334.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x32aa887a2fee1b614d05284e8df18d5228c26e26d6e26c029e340eccd1a79309","name":"つばさ∞","registered_at":"2026-06-20T23:40:57Z","symbol":"NIM1751700","token_address":"0x9301e85361fae8fb9b1aedd31c04caf2bbfc4b76","type":"artist","uuid":"cda6b008-ee2e-4e60-9999-070c23733334"}
album: fairytale
  type: MusicAlbum
  date published: 2023-10-18
album: Storyteller
  type: MusicAlbum
  date published: 2023-12-23
album: Matrix
  type: MusicAlbum
  date published: 2024-06-22
album: Water Sky
  type: MusicAlbum
  date published: 2024-07-04
album: I'll be there
  type: MusicAlbum
  date published: 2025-01-13
  track: I'll be there
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223098
    explicit: false
    by artist: つばさ∞
    in album: I'll be there
      type: MusicAlbum
      date published: 2025-01-13
    genre: japanese indie
    isrc code: TCJPD2417750
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T09:40:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xcbf00ab0f4952b85a72fba794c6f2c8c0618269ae85be47fe9cd86d744d3041e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958538
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958538
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2417750
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T10:30:13Z
    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 0xcbf00ab0f4952b85a72fba794c6f2c8c0618269ae85be47fe9cd86d744d3041e. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/TCJPD2417750.
      date published: 2026-07-18T10:30:13Z
    audio: I'll be there
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 141.987
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.573
      additional property: Energy
        type: PropertyValue
        value: 0.915
      additional property: Speechiness
        type: PropertyValue
        value: 0.065
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.009
      additional property: Liveness
        type: PropertyValue
        value: 0.173
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.574
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.53
      additional property: Key Name
        type: PropertyValue
        value: F#
      additional property: Mode Name
        type: PropertyValue
        value: Minor