知里
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 2
followers: 253
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x495a7e7c6e8a998b57793041a2850c74869859f79fb1b2ca66a135ca551b1b61
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/63b77db8-d486-461b-ab64-1e72059aaef3.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/63b77db8-d486-461b-ab64-1e72059aaef3.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/63b77db8-d486-461b-ab64-1e72059aaef3
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x495a7e7c6e8a998b57793041a2850c74869859f79fb1b2ca66a135ca551b1b61","name":"知里","registered_at":"2026-06-17T00:17:37Z","symbol":"NIM1221259","token_address":"0x096a1e9e93d5f05d4dbbac9c32e2d31c513f043e","type":"artist","uuid":"63b77db8-d486-461b-ab64-1e72059aaef3"}
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 0x495a7e7c6e8a998b57793041a2850c74869859f79fb1b2ca66a135ca551b1b61. 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/63b77db8-d486-461b-ab64-1e72059aaef3.json and https://artists.proofprofile.net/proofs/artist/63b77db8-d486-461b-ab64-1e72059aaef3.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x495a7e7c6e8a998b57793041a2850c74869859f79fb1b2ca66a135ca551b1b61","name":"知里","registered_at":"2026-06-17T00:17:37Z","symbol":"NIM1221259","token_address":"0x096a1e9e93d5f05d4dbbac9c32e2d31c513f043e","type":"artist","uuid":"63b77db8-d486-461b-ab64-1e72059aaef3"}
album: 虹のかなたに／星になったじぃじ
  type: MusicAlbum
  date published: 2016-06-22
album: 永遠の人／逢いたい人は誰ですか【タイプA】
  type: MusicAlbum
  date published: 2021-10-06
album: 永遠の人／ひとりにしないで【タイプB】
  type: MusicAlbum
  date published: 2021-10-06
album: 哀しみのラストタンゴ／愛しても
  type: MusicAlbum
  date published: 2023-01-18
album: シークレットラブ／夢陽炎
  type: MusicAlbum
  date published: 2024-06-26
album: 泣き笑い／最後の願い
  type: MusicAlbum
  date published: 2025-09-24
  track: 泣き笑い
    type: MusicRecording
    duration: PT4M35S
    duration ms: 275185
    explicit: false
    by artist: 知里
    in album: 泣き笑い／最後の願い
      type: MusicAlbum
      date published: 2025-09-24
    genre: enka
    genre: kayokyoku
    isrc code: JPCR02503490
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T15:07:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x1945bd6c3fe28ce0469d64379065a090df824718cb10a08523e9c1560e3da0ad
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958300
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958300
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPCR02503490
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T16:14:30Z
    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 0x1945bd6c3fe28ce0469d64379065a090df824718cb10a08523e9c1560e3da0ad. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/JPCR02503490.
      date published: 2026-07-16T16:14:30Z
    audio: 泣き笑い
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 76.97
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.495
      additional property: Energy
        type: PropertyValue
        value: 0.618
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.561
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.085
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.575
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.711
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major