八生
type: MusicGroup
popularity: 7
followers: 46
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd97e84dc80b1ddbce6560134f85712dd316f1aaaa519339540a2a9dc11c28e78
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954062
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954062
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45c21133-51a0-49eb-a778-f7f079fe272e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45c21133-51a0-49eb-a778-f7f079fe272e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/45c21133-51a0-49eb-a778-f7f079fe272e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:39:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd97e84dc80b1ddbce6560134f85712dd316f1aaaa519339540a2a9dc11c28e78","name":"八生","registered_at":"2026-06-16T14:00:30Z","symbol":"NIM1074022","token_address":"0xce207dd74525824284bb6992090c24b4663df952","type":"artist","uuid":"45c21133-51a0-49eb-a778-f7f079fe272e"}
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 0xd97e84dc80b1ddbce6560134f85712dd316f1aaaa519339540a2a9dc11c28e78. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/45c21133-51a0-49eb-a778-f7f079fe272e.json and https://artists.proofprofile.net/proofs/artist/45c21133-51a0-49eb-a778-f7f079fe272e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xd97e84dc80b1ddbce6560134f85712dd316f1aaaa519339540a2a9dc11c28e78","name":"八生","registered_at":"2026-06-16T14:00:30Z","symbol":"NIM1074022","token_address":"0xce207dd74525824284bb6992090c24b4663df952","type":"artist","uuid":"45c21133-51a0-49eb-a778-f7f079fe272e"}
album: Hajimarino Uta
  type: MusicAlbum
  date published: 2025-03-05
album: はじまりのうた
  type: MusicAlbum
  date published: 2025-03-05
  track: しゅらばんばん
    type: MusicRecording
    duration: PT3M23S
    duration ms: 203586
    explicit: false
    by artist: 八生
    in album: はじまりのうた
      type: MusicAlbum
      date published: 2025-03-05
    isrc code: JPVP02500701
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T04:14:47+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3c182274c9b94c7867067dc3122c52302f31cf13b191b9ee9349142ae7fad2fc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVP02500701
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T07:11:37Z
    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 0x3c182274c9b94c7867067dc3122c52302f31cf13b191b9ee9349142ae7fad2fc. Chain 2 (Bitcoin): anchored in block 958822 (2026-07-20T07:11:37Z), 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/JPVP02500701.
      date published: 2026-07-20T07:11:37Z
    audio: しゅらばんばん
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 158.037
      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: 0.591
      additional property: Energy
        type: PropertyValue
        value: 0.893
      additional property: Speechiness
        type: PropertyValue
        value: 0.075
      additional property: Acousticness
        type: PropertyValue
        value: 0.056
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.056
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.94
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.248
      additional property: Key Name
        type: PropertyValue
        value: E
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: SUPER SALE !
  type: MusicAlbum
  date published: 2025-03-19
album: 大感謝祭！
  type: MusicAlbum
  date published: 2025-03-19
album: Shoot A Bomb Bomb!! for Drama [Perfect Adultery] (Complete version)
  type: MusicAlbum
  date published: 2025-07-30
album: しゅらばんばん for ドラマ 『完全不倫』 (Complete ver.)
  type: MusicAlbum
  date published: 2025-07-30
album: 線
  type: MusicAlbum
  date published: 2025-10-01
  track: 線
    type: MusicRecording
    duration: PT3M45S
    duration ms: 225000
    explicit: false
    by artist: 八生
    in album: 線
      type: MusicAlbum
      date published: 2025-10-01
    isrc code: JPVP02515201
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T19:03:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x52396b396a7c4d873e86c3591c304a771fb75a4c7f103e6205b8a32f2a302bdf
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958601
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958601
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVP02515201
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T19:27:02Z
    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 0x52396b396a7c4d873e86c3591c304a771fb75a4c7f103e6205b8a32f2a302bdf. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), 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/JPVP02515201.
      date published: 2026-07-18T19:27:02Z
    audio: 線
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.059
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.736
      additional property: Energy
        type: PropertyValue
        value: 0.694
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Sen

Speechiness
type: PropertyValue
value: 0.062

Acousticness
type: PropertyValue
value: 0.252

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.281

Valence (Positivity)
type: PropertyValue
value: 0.846

Loudness (dB)
type: PropertyValue
value: -2.857

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Sen
type: MusicAlbum
date published: 2025-10-01