保刈久明
type: MusicGroup
popularity: 6
followers: 795
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0cb84a9dae648925182e04071900574ed81a3dce1dcbfcbf18ed7de693c9cd02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954569
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954569
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b06585e9-b7c6-4c57-87e9-6ca5fb79374f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b06585e9-b7c6-4c57-87e9-6ca5fb79374f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b06585e9-b7c6-4c57-87e9-6ca5fb79374f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T14:36:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0cb84a9dae648925182e04071900574ed81a3dce1dcbfcbf18ed7de693c9cd02","name":"保刈久明","registered_at":"2026-06-20T12:00:09Z","symbol":"NIM1608115","token_address":"0xd665871bf65172f3efebc60061a986c49870f773","type":"artist","uuid":"b06585e9-b7c6-4c57-87e9-6ca5fb79374f"}
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 0x0cb84a9dae648925182e04071900574ed81a3dce1dcbfcbf18ed7de693c9cd02. Chain 2 (Bitcoin): anchored in block 954569 (2026-06-20T14:36:29Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b06585e9-b7c6-4c57-87e9-6ca5fb79374f.json and https://artists.proofprofile.net/proofs/artist/b06585e9-b7c6-4c57-87e9-6ca5fb79374f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T14:36:29Z
  text: {"copyright_id":"0x0cb84a9dae648925182e04071900574ed81a3dce1dcbfcbf18ed7de693c9cd02","name":"保刈久明","registered_at":"2026-06-20T12:00:09Z","symbol":"NIM1608115","token_address":"0xd665871bf65172f3efebc60061a986c49870f773","type":"artist","uuid":"b06585e9-b7c6-4c57-87e9-6ca5fb79374f"}
album: [効果音] マクロスF アイキャッチ (アニメ「マクロスFRONTIER」より) 「菅野よう子 / オリジナル歌手」
  type: MusicAlbum
  date published: 2014-02-14
album: LAMP & PENDULUM
  type: MusicAlbum
  date published: 2019-02-25
album: Brown eyes in solaris
  type: MusicAlbum
  date published: 2020-04-30
album: Folklore
  type: MusicAlbum
  date published: 2021-05-26
  track: Folklore (feat. CorLeonis)
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225885
    explicit: false
    by artist: 保刈久明
    in album: Folklore
      type: MusicAlbum
      date published: 2021-05-26
    isrc code: TCJPO2161494
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:15:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf5ec4aaf29151b0d837af77c357ecf81fbe080681a19b309a734975779cd76e2
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPO2161494
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0xf5ec4aaf29151b0d837af77c357ecf81fbe080681a19b309a734975779cd76e2. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCJPO2161494.
      date published: 2026-07-05T10:01:46Z
    audio: Folklore (feat. CorLeonis)
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.991
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.721
      additional property: Energy
        type: PropertyValue
        value: 0.337
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.777
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.113
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.246
      additional property: Loudness (dB)
        type: PropertyValue
        value: -11.889
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: 銀の森 (feat. 新居昭乃)
  type: MusicAlbum
  date published: 2023-07-29
album: 最初の目的地 (feat. 新居昭乃)
  type: MusicAlbum
  date published: 2025-05-29