クラフト
type: MusicGroup
genre: enka
genre: folk
genre: kayokyoku
popularity: 12
followers: 793
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xedc13adfa2bba26a7e20d1a639949773b134330fcdee1511264d61dcd8ecd4a4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953616
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953616
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b42176f-6a0d-4b2e-8678-71863150eb8d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/1b42176f-6a0d-4b2e-8678-71863150eb8d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/1b42176f-6a0d-4b2e-8678-71863150eb8d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T08:58:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xedc13adfa2bba26a7e20d1a639949773b134330fcdee1511264d61dcd8ecd4a4","name":"クラフト","registered_at":"2026-06-14T07:15:18Z","symbol":"NIM0378319","token_address":"0x8533e35ebdc7e07da891043b9f4e8e898a067c5c","type":"artist","uuid":"1b42176f-6a0d-4b2e-8678-71863150eb8d"}
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 0xedc13adfa2bba26a7e20d1a639949773b134330fcdee1511264d61dcd8ecd4a4. Chain 2 (Bitcoin): anchored in block 953617 (2026-06-14T09:00:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1b42176f-6a0d-4b2e-8678-71863150eb8d.json and https://artists.proofprofile.net/proofs/artist/1b42176f-6a0d-4b2e-8678-71863150eb8d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T09:00:45Z
  text: {"copyright_id":"0xedc13adfa2bba26a7e20d1a639949773b134330fcdee1511264d61dcd8ecd4a4","name":"クラフト","registered_at":"2026-06-14T07:15:18Z","symbol":"NIM0378319","token_address":"0x8533e35ebdc7e07da891043b9f4e8e898a067c5c","type":"artist","uuid":"1b42176f-6a0d-4b2e-8678-71863150eb8d"}
album: ふつつかながら ウエスタンコート M-10 I (+1; 2012 Remaster)
  type: MusicAlbum
  date published: 1973-10-25
album: ハンドクラフト (+1; 2012 Remaster)
  type: MusicAlbum
  date published: 1975-08-25
  track: 僕にまかせてください - 2012 Remaster
    type: MusicRecording
    duration: PT3M38S
    duration ms: 218773
    explicit: false
    by artist: クラフト
    in album: ハンドクラフト (+1; 2012 Remaster)
      type: MusicAlbum
      date published: 1975-08-25
    genre: enka
    genre: folk
    genre: kayokyoku
    isrc code: JPWP02201631
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T03:02:14+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x2ca3f6386bc2ee0b22731f3dbe3bc10535da94af5b11354e9d5672efb0b53cf9
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958234
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958234
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02201631
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T03:46:09Z
    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 0x2ca3f6386bc2ee0b22731f3dbe3bc10535da94af5b11354e9d5672efb0b53cf9. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), 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/JPWP02201631.
      date published: 2026-07-16T03:46:09Z
    audio: 僕にまかせてください - 2012 Remaster
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.833
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.35
      additional property: Energy
        type: PropertyValue
        value: 0.537
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.254
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.433
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.398
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.758
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: さよならコンサート - 2012 Remaster
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231266
    explicit: false
    by artist: クラフト
    in album: ハンドクラフト (+1; 2012 Remaster)
      type: MusicAlbum
      date published: 1975-08-25
    genre: enka
    genre: folk
    genre: kayokyoku
    isrc code: JPWP02201633
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T21:13:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa922a6cc040eea1e6eae0f24d2e63beb5d0cfbaf43d71ed2176aae3d6a512ac5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958329
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958329
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02201633
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T00:20:29Z
    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 0xa922a6cc040eea1e6eae0f24d2e63beb5d0cfbaf43d71ed2176aae3d6a512ac5. Chain 2 (Bitcoin): anchored in block 958329 (2026-07-17T00:20:29Z), 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/JPWP02201633.
      date published: 2026-07-17T00:20:29Z
    audio: さよならコンサート - 2012 Remaster
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 88.618
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.507
      additional property: Energy
        type: PropertyValue
        value: 0.559
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.324
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: スケッチブック (+6; 2012 Remaster)
album: 僕にまかせてください ～The Best of Craft～

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.087

Valence (Positivity)
type: PropertyValue
value: 0.694

Loudness (dB)
type: PropertyValue
value: -7.131

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Minor

スケッチブック (+6; 2012 Remaster)
type: MusicAlbum
date published: 1976-10-25

僕にまかせてください ～The Best of Craft～
type: MusicAlbum
date published: 1981-02-25