ROCKAA
type: MusicGroup
genre: vocaloid
popularity: 3
followers: 92
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0dfc287c4a6bc23392a34093838b7563639e818531761f1d2953c29041219d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e49a56cf-597b-46c1-9c97-077b6c918652.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e49a56cf-597b-46c1-9c97-077b6c918652.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e49a56cf-597b-46c1-9c97-077b6c918652
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
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 0xf0dfc287c4a6bc23392a34093838b7563639e818531761f1d2953c29041219d1. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e49a56cf-597b-46c1-9c97-077b6c918652.json and https://artists.proofprofile.net/proofs/artist/e49a56cf-597b-46c1-9c97-077b6c918652.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
album: Slave of the Devil feat.神威がくぽ
  type: MusicAlbum
  date published: 2015-02-25
  track: Slave of the Devil feat.神威がくぽ
    type: MusicRecording
    duration: PT3M19S
    duration ms: 199459
    explicit: false
    by artist: ROCKAA
    in album: Slave of the Devil feat.神威がくぽ
      type: MusicAlbum
      date published: 2015-02-25
    genre: vocaloid
    isrc code: JPR641500029
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T18:59:29+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x919d119f7857ecd87249ed6bc5e80185edf48eb96f1bc5cd76fda3f097895ce3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956826
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956826
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR641500029
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T19:27:56Z
    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 0x919d119f7857ecd87249ed6bc5e80185edf48eb96f1bc5cd76fda3f097895ce3. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/JPR641500029.
      date published: 2026-07-05T19:27:56Z
    audio: Slave of the Devil feat.神威がくぽ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 99.971
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.512
      additional property: Energy
        type: PropertyValue
        value: 0.8
      additional property: Speechiness
        type: PropertyValue
        value: 0.029
      additional property: Acousticness
        type: PropertyValue
        value: 0.021
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.521
      additional property: Liveness
        type: PropertyValue
        value: 0.413
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.619
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.284
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Slave of the Devil feat.神威がくぽ
  type: MusicAlbum
  date published: 2015-02-25
album: ETERNAL...～a man loved a vampire～ feat.神威がくぽ
  type: MusicAlbum
  date published: 2015-02-25
album: ETERNAL...～a man loved a vampire～ feat.神威がくぽ
  type: MusicAlbum
  date published: 2015-02-25
album: Slave of the Devil feat.神威がくぽ
  type: MusicAlbum
  date published: 2015-02-25
album: Android feat.GUMI
  type: MusicAlbum
  date published: 2016-08-31
album: サムイヨルニハムカエニキテネ feat.GUMI
  type: MusicAlbum
  date published: 2016-08-31
album: Love song feat.GUMI
  type: MusicAlbum
  date published: 2019-09-25
album: Eternal ～a vampire loved a man～ feat.GUMI
  type: MusicAlbum
  date published: 2019-09-25
album: 銀の翼と天使の弓矢 feat.神威がくぽ
  type: MusicAlbum
  date published: 2019-10-30
album: 銀の翼と天使の弓矢 feat.神威がくぽ
  type: MusicAlbum
  date published: 2019-10-30
album: ラビリンス feat.GUMI
  type: MusicAlbum
  date published: 2020-08-19
album: ラビリンス feat.GUMI
  type: MusicAlbum
  date published: 2020-08-19
album: CRISIS feat.神威がくぽ
  type: MusicAlbum
  date published: 2020-09-23
album: CRISIS feat.神威がくぽ
  type: MusicAlbum
  date published: 2020-09-23
album: Queen Of The Underground feat.GUMI
  type: MusicAlbum
  date published: 2021-09-01
album: 有刺鉄線ぶち破れ
  type: MusicAlbum
  date published: 2021-11-02
album: 土砂降りの歩道橋 傘もささずに僕はただ佇んでいた
  type: MusicAlbum
  date published: 2022-11-02
album: Ghost in the Snow
  type: MusicAlbum
  date published: 2022-11-02
album: 退屈な日常に蹴りいれて
  type: MusicAlbum
  date published: 2022-11-30
album: 虐
  type: MusicAlbum
  date published: 2022-11-30
album: Miss You
  type: MusicAlbum
  date published: 2023-11-08