ESHIKARA
type: MusicGroup
genre: vocaloid
popularity: 29
followers: 4584
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa944d95bc1646b448b54652e43b7582b3c6e906b10d5e80554fb4cffb3d24802
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4e048433-a2b2-4626-8b8f-3b1eefe634d9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4e048433-a2b2-4626-8b8f-3b1eefe634d9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4e048433-a2b2-4626-8b8f-3b1eefe634d9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa944d95bc1646b448b54652e43b7582b3c6e906b10d5e80554fb4cffb3d24802. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4e048433-a2b2-4626-8b8f-3b1eefe634d9.json and https://artists.proofprofile.net/proofs/artist/4e048433-a2b2-4626-8b8f-3b1eefe634d9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
album: あかぬけたよね (feat. BCNO,星界)
  type: MusicAlbum
  date published: 2023-02-01
album: 妄想アスパルテーム (feat. picco,初音ミク)
  type: MusicAlbum
  date published: 2023-03-01
album: ふわり (feat. MIMI,可不,初音ミク)
  type: MusicAlbum
  date published: 2023-04-05
album: 構造色 (feat. Mikade,GUMI)
  type: MusicAlbum
  date published: 2023-04-26
album: 妄想アスパルテーム (MidNight ver. [feat. picco,初音ミク])
  type: MusicAlbum
  date published: 2023-05-31
  track: 妄想アスパルテーム - MidNight ver. [feat. picco,初音ミク]
    type: MusicRecording
    duration: PT2M43S
    duration ms: 163400
    explicit: false
    by artist: ESHIKARA
    in album: 妄想アスパルテーム (MidNight ver. [feat. picco,初音ミク])
      type: MusicAlbum
      date published: 2023-05-31
    genre: vocaloid
    isrc code: JPB602302469
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T12:06:51+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x93e88644d8879fb21b71c8ea5e8b72019aea82a5c37263b65a8ca9fc2fe92c7f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958410
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958410
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602302469
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T12:18:07Z
    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 0x93e88644d8879fb21b71c8ea5e8b72019aea82a5c37263b65a8ca9fc2fe92c7f. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), 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/JPB602302469.
      date published: 2026-07-17T12:18:07Z
    audio: 妄想アスパルテーム - MidNight ver. [feat. picco,初音ミク]
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 172.042
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.549
      additional property: Energy
        type: PropertyValue
        value: 0.943
      additional property: Speechiness
        type: PropertyValue
        value: 0.042
      additional property: Acousticness
        type: PropertyValue
        value: 0.012
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.155
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.582
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.286
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: 昏い夜 (feat. 吐息,v flower,可不)
  type: MusicAlbum
  date published: 2023-06-07
  track: 昏い夜 - feat. 吐息,v flower,可不
    type: MusicRecording
    duration: PT2M58S
    duration ms: 178633
    explicit: false
    by artist: ESHIKARA
    in album: 昏い夜 (feat. 吐息,v flower,可不)
      type: MusicAlbum
      date published: 2023-06-07
    genre: vocaloid
    isrc code: JPB602302402
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T07:20:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xce56e2e7af8e04a5984d1712662be89a1c4c675808b05ee6fd145d8dfe33932c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958117
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958117
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602302402
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T10:21:55Z
    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 0xce56e2e7af8e04a5984d1712662be89a1c4c675808b05ee6fd145d8dfe33932c. Chain 2 (Bitcoin): anchored in block 958117 (2026-07-15T10:21:55Z), 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/JPB602302402.
      date published: 2026-07-15T10:21:55Z
    audio: 昏い夜 - feat. 吐息,v flower,可不
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 123.974
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.848
      additional property: Energy
        type: PropertyValue
        value: 0.822
      additional property: Speechiness
        type: PropertyValue
        value: 0.047
      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: 僕は依存症 (feat. みきとP,裏命)
album: ちゅきちゅ♡きすみー (feat. タケノコ少年,初音ミク)
album: コンビニ☆ダンス☆ストア (feat. そりっどびーつ,足立レイ)
album: うらやみしい (feat. Kai,初音ミク,可不)
album: capsule doll (feat. 灰色ねむり,葛駄夜音)
album: 惑わせらいやー (feat. z²,BigDogOof)
album: くりみなるらぶ！
album: しゅき♡るーぷまにあ！ (feat.初音ミク)
album: しゅき♡るーぷまにあ！ (feat. una)
album: 僕も悪くない

Acousticness
type: PropertyValue
value: 0.083

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.073

Valence (Positivity)
type: PropertyValue
value: 0.962

Loudness (dB)
type: PropertyValue
value: -4.629

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

僕は依存症 (feat. みきとP,裏命)
type: MusicAlbum
date published: 2023-07-05

ちゅきちゅ♡きすみー (feat. タケノコ少年,初音ミク)
type: MusicAlbum
date published: 2023-11-22
track: ちゅきちゅ♡きすみー - feat. タケノコ少年,初音ミク
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166833
  explicit: false
  by artist: ESHIKARA
  in album: ちゅきちゅ♡きすみー (feat. タケノコ少年,初音ミク)
    type: MusicAlbum
    date published: 2023-11-22
  genre: vocaloid
  isrc code: JPB602303694
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T07:08:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa72e7619084cdc64c931b4a8cb3eed95ebf175851d75a36ebd77f78829f210af
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958115
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958115
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602303694
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T10:07:10Z
  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 0xa72e7619084cdc64c931b4a8cb3eed95ebf175851d75a36ebd77f78829f210af. Chain 2 (Bitcoin): anchored in block 958115 (2026-07-15T10:07:10Z), 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/JPB602303694.
    date published: 2026-07-15T10:07:10Z
  audio: ちゅきちゅ♡きすみー - feat. タケノコ少年,初音ミク
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.44
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.692
    additional property: Energy
      type: PropertyValue
      value: 0.837
    additional property: Speechiness
      type: PropertyValue
      value: 0.243
    additional property: Acousticness
      type: PropertyValue
      value: 0.072
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.289
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.75
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.939
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

コンビニ☆ダンス☆ストア (feat. そりっどびーつ,足立レイ)
type: MusicAlbum
date published: 2024-02-07
track: コンビニ☆ダンス☆ストア - feat. そりっどびーつ,足立レイ
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156500
  explicit: false
  by artist: ESHIKARA
  in album: コンビニ☆ダンス☆ストア (feat. そりっどびーつ,足立レイ)
    type: MusicAlbum
    date published: 2024-02-07
  genre: vocaloid
  isrc code: JPB602400147
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T19:29:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa98330cc516801df66ec157fc8ef2a6cc19707b5afd278a22d95a6645982cb56
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958607
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958607
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602400147
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T21:01:11Z
  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 0xa98330cc516801df66ec157fc8ef2a6cc19707b5afd278a22d95a6645982cb56. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), 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/JPB602400147.
    date published: 2026-07-18T21:01:11Z
  audio: コンビニ☆ダンス☆ストア - feat. そりっどびーつ,足立レイ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 165.014
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.655
    additional property: Energy
      type: PropertyValue
      value: 0.801
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.304
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.754
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.012
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

うらやみしい (feat. Kai,初音ミク,可不)
type: MusicAlbum
date published: 2024-02-28

capsule doll (feat. 灰色ねむり,葛駄夜音)
type: MusicAlbum
date published: 2024-04-10
track: capsule doll - feat. 灰色ねむり,葛駄夜音
  type: MusicRecording
  duration: PT3M2S
  duration ms: 182466
  explicit: false
  by artist: ESHIKARA
  in album: capsule doll (feat. 灰色ねむり,葛駄夜音)
    type: MusicAlbum
    date published: 2024-04-10
  genre: vocaloid
  isrc code: JPB602401294
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T11:09:11+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x76c6d105ddd5b5753f1903d9eb6c2a50250e956cad9d8f4e50f94f08411c13db
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602401294
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0x76c6d105ddd5b5753f1903d9eb6c2a50250e956cad9d8f4e50f94f08411c13db. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/JPB602401294.
    date published: 2026-07-05T01:43:49Z
  audio: capsule doll - feat. 灰色ねむり,葛駄夜音
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.962
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.65
    additional property: Energy
      type: PropertyValue
      value: 0.508
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.786
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.086
    additional property: Liveness
      type: PropertyValue
      value: 0.097
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.424
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.224
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

惑わせらいやー (feat. z²,BigDogOof)
type: MusicAlbum
date published: 2024-06-25

くりみなるらぶ！
type: MusicAlbum
date published: 2025-07-30

しゅき♡るーぷまにあ！ (feat.初音ミク)
type: MusicAlbum
date published: 2025-09-03

しゅき♡るーぷまにあ！ (feat. una)
type: MusicAlbum
date published: 2025-09-03
track: しゅき♡るーぷまにあ！ - feat. una
  type: MusicRecording
  duration: PT2M56S
  duration ms: 176066
  explicit: false
  by artist: ESHIKARA
  in album: しゅき♡るーぷまにあ！ (feat. una)
    type: MusicAlbum
    date published: 2025-09-03
  genre: vocaloid
  isrc code: JPB602502286
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T18:25:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x69ffad92a49a6fbefb66f2aacc20b3620fe5bcd5137addc5bd1ef62b8f39eaca
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958924
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958924
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPB602502286
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:26:57Z
  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 0x69ffad92a49a6fbefb66f2aacc20b3620fe5bcd5137addc5bd1ef62b8f39eaca. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:26:57Z), 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/JPB602502286.
    date published: 2026-07-20T21:26:57Z
  audio: しゅき♡るーぷまにあ！ - feat. una
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 132.006
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.547
    additional property: Energy
      type: PropertyValue
      value: 0.979
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.036
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.055
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.671
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

僕も悪くない
type: MusicAlbum
date published: 2025-10-29