Hinano
type: MusicGroup
genre: anime
popularity: 18
followers: 2474
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85ace97ee71b0e1b431592579cc391ea41f8f2fe33d5da68e3b867c47fa7ea69
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a27320d-103e-43c2-9aeb-4eb368576ec9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4a27320d-103e-43c2-9aeb-4eb368576ec9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4a27320d-103e-43c2-9aeb-4eb368576ec9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
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 0x85ace97ee71b0e1b431592579cc391ea41f8f2fe33d5da68e3b867c47fa7ea69. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4a27320d-103e-43c2-9aeb-4eb368576ec9.json and https://artists.proofprofile.net/proofs/artist/4a27320d-103e-43c2-9aeb-4eb368576ec9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
album: nocturne
  type: MusicAlbum
  date published: 2022-02-23
  track: Nocturne
    type: MusicRecording
    duration: PT4M29S
    duration ms: 269253
    explicit: false
    by artist: Hinano
    in album: nocturne
      type: MusicAlbum
      date published: 2022-02-23
    isrc code: JPPC02111834
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-19T07:31:54+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5712e693c43b55f47ce4f722fe1afffceb1eb242b97fc3876d3001449f109c80
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956302
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956302
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02111834
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    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 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 0x5712e693c43b55f47ce4f722fe1afffceb1eb242b97fc3876d3001449f109c80. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/JPPC02111834.
      date published: 2026-07-02T03:30:09Z
    audio: Nocturne
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 98.362
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.382
      additional property: Energy
        type: PropertyValue
        value: 0.311
      additional property: Speechiness
        type: PropertyValue
        value: 0.031
      additional property: Acousticness
        type: PropertyValue
        value: 0.809
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.128
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.229
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.134
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Ocean Full
  type: MusicAlbum
  date published: 2024-06-12
album: kansya
  type: MusicAlbum
  date published: 2024-05-20
album: Love Infinity
  type: MusicAlbum
  date published: 2023-07-13
  track: Love Infinity
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226512
    explicit: false
    by artist: Hinano
    in album: Love Infinity
      type: MusicAlbum
      date published: 2023-07-13
    popularity: 24
    isrc code: JPPC02311251
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-09T16:42:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9ff5eb1b54331efe4a6c46d83c1bb61ad44773a25eb01314185ec695e41de238
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953520
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/953520
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC02311251
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T13:32:09Z
    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 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 0x9ff5eb1b54331efe4a6c46d83c1bb61ad44773a25eb01314185ec695e41de238. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/JPPC02311251.
      date published: 2026-06-13T13:32:09Z
    audio: Love Infinity
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 137.016
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.553
      additional property: Energy
        type: PropertyValue
        value: 0.886
      additional property: Speechiness
        type: PropertyValue
        value: 0.045
      additional property: Acousticness
        type: PropertyValue
        value: 0.025
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Changemaker
album: Virginia
album: Something to Lose

Liveness
type: PropertyValue
value: 0.179

Valence (Positivity)
type: PropertyValue
value: 0.735

Loudness (dB)
type: PropertyValue
value: -8.16

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Changemaker
type: MusicAlbum
date published: 2023-01-25

Virginia
type: MusicAlbum
date published: 2022-10-26

Something to Lose
type: MusicAlbum
date published: 2022-08-03