nyanyannya（大天才P）
type: MusicGroup
genre: vocaloid
popularity: 12
followers: 4836
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1678d8b07e593485b02bc21073413aab049cd613d71b78580c883bb35dcd6b1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953817
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953817
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe95cb13-551b-4eb4-9495-63ae12f2928f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fe95cb13-551b-4eb4-9495-63ae12f2928f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fe95cb13-551b-4eb4-9495-63ae12f2928f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:10:31Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1678d8b07e593485b02bc21073413aab049cd613d71b78580c883bb35dcd6b1d","name":"nyanyannya（大天才P）","registered_at":"2026-06-15T07:15:19Z","symbol":"NIM0721946","token_address":"0x44f0735229c523cdfb8dff3bb396de1856da719d","type":"artist","uuid":"fe95cb13-551b-4eb4-9495-63ae12f2928f"}
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 0x1678d8b07e593485b02bc21073413aab049cd613d71b78580c883bb35dcd6b1d. Chain 2 (Bitcoin): anchored in block 953817 (2026-06-15T18:10:31Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fe95cb13-551b-4eb4-9495-63ae12f2928f.json and https://artists.proofprofile.net/proofs/artist/fe95cb13-551b-4eb4-9495-63ae12f2928f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:10:31Z
  text: {"copyright_id":"0x1678d8b07e593485b02bc21073413aab049cd613d71b78580c883bb35dcd6b1d","name":"nyanyannya（大天才P）","registered_at":"2026-06-15T07:15:19Z","symbol":"NIM0721946","token_address":"0x44f0735229c523cdfb8dff3bb396de1856da719d","type":"artist","uuid":"fe95cb13-551b-4eb4-9495-63ae12f2928f"}
album: キラピピ★キラピカ
  type: MusicAlbum
  date published: 2023-08-30
album: ミロンガ・パラ・エルマーナ
  type: MusicAlbum
  date published: 2024-01-30
  track: エル・タンゴ・エゴイスタ クインテットバージョン (feat. 巡音ルカ&KAITO)
    type: MusicRecording
    duration: PT3M15S
    duration ms: 195699
    explicit: false
    by artist: nyanyannya（大天才P）
    in album: ミロンガ・パラ・エルマーナ
      type: MusicAlbum
      date published: 2024-01-30
    genre: vocaloid
    isrc code: JP92Q2302172
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T10:23:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd4db102aa185d53e6611e5a8eb0830ddf9c49fcfd55d7450f14f54cf2c0d2ae2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958996
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958996
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JP92Q2302172
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T13:25:35Z
    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 0xd4db102aa185d53e6611e5a8eb0830ddf9c49fcfd55d7450f14f54cf2c0d2ae2. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:25:35Z), 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/JP92Q2302172.
      date published: 2026-07-21T13:25:35Z
    audio: エル・タンゴ・エゴイスタ クインテットバージョン (feat. 巡音ルカ&KAITO)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 148.889
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.605
      additional property: Energy
        type: PropertyValue
        value: 0.487
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.456
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.273
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.644
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.479
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: リドル・マーメイド
  type: MusicAlbum
  date published: 2024-05-22
album: nyanyannya（大天才P）ボカロアナザーボーカルアルバム
  type: MusicAlbum
  date published: 2024-10-04
album: SO:HYPE.
  type: MusicAlbum
  date published: 2025-08-28
album: 不在の詩
  type: MusicAlbum
  date published: 2025-09-26