Toshihiro Nakanishi
type: MusicGroup
genre: japanese classical
popularity: 8
followers: 1045
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5bfa6688263a026b4fe9dd2e81b6c9be2ee7190f0b4805ee1f8dc7246258c8d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954553
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954553
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/abe424e5-8bfb-437b-b3cd-c1c8bf55d15f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/abe424e5-8bfb-437b-b3cd-c1c8bf55d15f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/abe424e5-8bfb-437b-b3cd-c1c8bf55d15f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T11:51:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc5bfa6688263a026b4fe9dd2e81b6c9be2ee7190f0b4805ee1f8dc7246258c8d","name":"Toshihiro Nakanishi","registered_at":"2026-06-20T09:56:30Z","symbol":"NIM1585091","token_address":"0x40f3e9bd18ac139ea3ff8b71e874ae1d8d283697","type":"artist","uuid":"abe424e5-8bfb-437b-b3cd-c1c8bf55d15f"}
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 0xc5bfa6688263a026b4fe9dd2e81b6c9be2ee7190f0b4805ee1f8dc7246258c8d. Chain 2 (Bitcoin): anchored in block 954553 (2026-06-20T11:51:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/abe424e5-8bfb-437b-b3cd-c1c8bf55d15f.json and https://artists.proofprofile.net/proofs/artist/abe424e5-8bfb-437b-b3cd-c1c8bf55d15f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T11:51:30Z
  text: {"copyright_id":"0xc5bfa6688263a026b4fe9dd2e81b6c9be2ee7190f0b4805ee1f8dc7246258c8d","name":"Toshihiro Nakanishi","registered_at":"2026-06-20T09:56:30Z","symbol":"NIM1585091","token_address":"0x40f3e9bd18ac139ea3ff8b71e874ae1d8d283697","type":"artist","uuid":"abe424e5-8bfb-437b-b3cd-c1c8bf55d15f"}
album: サイレント・ロマンス
  type: MusicAlbum
  date published: 1985
album: 不思議の国のバイオリン弾き
  type: MusicAlbum
  date published: 1985
album: Shochiku Movies Sound Memorial FREE & EASY MUSIC FILE Vol.2 Toshihiro Nakanishi, Masaru Sato Hen
  type: MusicAlbum
  date published: 1994-12-21
album: 松竹映画サウンドメモリアル 釣りバカ日誌 ミュージックファイル Vol.2 中西俊博・佐藤勝編
  type: MusicAlbum
  date published: 1994-12-21
album: 釣りバカ日誌 ミュージックファイル Vol.2
  type: MusicAlbum
  date published: 1994-12-21
album: オーガニック・スタイル 中西俊博 the BEST
  type: MusicAlbum
  date published: 2007-06-20
  track: 恋人とは・・・
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227560
    explicit: false
    by artist: Toshihiro Nakanishi
    in album: オーガニック・スタイル 中西俊博 the BEST
      type: MusicAlbum
      date published: 2007-06-20
    genre: japanese classical
    isrc code: JPSR08705970
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T00:38:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x84f84006baf44a030495d2c9f9914bc6e6800ecca00d68fcef61ef8763cb8614
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPSR08705970
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    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 0x84f84006baf44a030495d2c9f9914bc6e6800ecca00d68fcef61ef8763cb8614. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPSR08705970.
      date published: 2026-07-03T01:01:38Z
    audio: 恋人とは・・・
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 103.831
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.273
      additional property: Energy
        type: PropertyValue
        value: 0.179
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.965
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.029
      additional property: Liveness
        type: PropertyValue
        value: 0.08
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.072
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.795
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 時をゆるめる音～「動きでわかる日経ヘルスDVDシリーズ」サウンドトラック～
  type: MusicAlbum
  date published: 2009