モーリス・ラヴェル
type: MusicGroup
popularity: 7
followers: 34
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x025781e41c5b39f5486180c7d8cee63cd3ac66f567f7270a06bc36a667e496f4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954533
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a61764a6-f982-42d6-bc20-50e06ff45cf5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a61764a6-f982-42d6-bc20-50e06ff45cf5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a61764a6-f982-42d6-bc20-50e06ff45cf5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T08:57:02Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x025781e41c5b39f5486180c7d8cee63cd3ac66f567f7270a06bc36a667e496f4","name":"モーリス・ラヴェル","registered_at":"2026-06-20T07:31:53Z","symbol":"NIM1554803","token_address":"0xb6d8cb0896cd8b5233e7db3e1da5660048ef3f93","type":"artist","uuid":"a61764a6-f982-42d6-bc20-50e06ff45cf5"}
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x025781e41c5b39f5486180c7d8cee63cd3ac66f567f7270a06bc36a667e496f4. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a61764a6-f982-42d6-bc20-50e06ff45cf5.json and https://artists.proofprofile.net/proofs/artist/a61764a6-f982-42d6-bc20-50e06ff45cf5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
  text: {"copyright_id":"0x025781e41c5b39f5486180c7d8cee63cd3ac66f567f7270a06bc36a667e496f4","name":"モーリス・ラヴェル","registered_at":"2026-06-20T07:31:53Z","symbol":"NIM1554803","token_address":"0xb6d8cb0896cd8b5233e7db3e1da5660048ef3f93","type":"artist","uuid":"a61764a6-f982-42d6-bc20-50e06ff45cf5"}
album: 夜のガスパール 〜ラヴェル作品集
  type: MusicAlbum
  date published: 2001-05-19
  track: 水の戯れ
    type: MusicRecording
    duration: PT5M57S
    duration ms: 357400
    explicit: false
    by artist: モーリス・ラヴェル
    in album: 夜のガスパール 〜ラヴェル作品集
      type: MusicAlbum
      date published: 2001-05-19
    isrc code: JPCO00107110
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T23:35:39+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x97b14d5ccff9f9fe0d1be7c984a9cb48f1ef983ef4201c19dbf28b15987df55b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958340
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958340
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCO00107110
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:53:26Z
    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 0x97b14d5ccff9f9fe0d1be7c984a9cb48f1ef983ef4201c19dbf28b15987df55b. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/JPCO00107110.
      date published: 2026-07-17T00:53:26Z
    audio: 水の戯れ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 131.434
      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: 0.29
      additional property: Energy
        type: PropertyValue
        value: 0.172
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.987
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.916
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.034
      additional property: Loudness (dB)
        type: PropertyValue
        value: -21.434
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: ラヴェル: ピアノ作品集
  type: MusicAlbum
  date published: 2022-11-18
album: 亡き王女のためのパヴァーヌ
  type: MusicAlbum
  date published: 2024-03-23