高城れに
type: MusicGroup
genre: c-pop
genre: j-pop
popularity: 30
followers: 5370
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52645ad5f704befc04672a2165b9eb3d35523052fd1ffe0e39d15313dda99575
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953408
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953408
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x52645ad5f704befc04672a2165b9eb3d35523052fd1ffe0e39d15313dda99575","name":"高城れに","registered_at":"2026-06-12T10:39:54Z","symbol":"NIM0272708","token_address":"0x512febdbaa68664b834cd108ceee8aac48ea9dfb","type":"artist","uuid":"d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053"}
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 0x52645ad5f704befc04672a2165b9eb3d35523052fd1ffe0e39d15313dda99575. 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/d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053.json and https://artists.proofprofile.net/proofs/artist/d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x52645ad5f704befc04672a2165b9eb3d35523052fd1ffe0e39d15313dda99575","name":"高城れに","registered_at":"2026-06-12T10:39:54Z","symbol":"NIM0272708","token_address":"0x512febdbaa68664b834cd108ceee8aac48ea9dfb","type":"artist","uuid":"d41f5c16-0dc8-4ed2-a973-b7bb4c3a6053"}
album: じれったいな
  type: MusicAlbum
  date published: 2019-03-08
album: Jirettaina
  type: MusicAlbum
  date published: 2019-03-20
album: everyday れにちゃん
  type: MusicAlbum
  date published: 2019-12-26
album: Dancing れにちゃん
  type: MusicAlbum
  date published: 2020-03-07
album: SKY HIGH
  type: MusicAlbum
  date published: 2021-07-23
album: Renichan WORLD
  type: MusicAlbum
  date published: 2021-08-18
album: れにちゃんWORLD
  type: MusicAlbum
  date published: 2021-08-18
  track: じれったいな
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209559
    explicit: false
    by artist: 高城れに
    in album: れにちゃんWORLD
      type: MusicAlbum
      date published: 2021-08-18
    genre: c-pop
    genre: j-pop
    isrc code: JPKI01911041
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T19:29:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x925edb5c0e586a2e270f6b13beaf00fa828647cb696bb640a6dedcd2b3605c2d
    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/JPKI01911041
    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
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x925edb5c0e586a2e270f6b13beaf00fa828647cb696bb640a6dedcd2b3605c2d. 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/JPKI01911041.
      date published: 2026-07-05T19:27:56Z
    audio: じれったいな
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 154.94
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.545
      additional property: Energy
        type: PropertyValue
        value: 0.827
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.005
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.182
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.829
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.162
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Minor
  track: everyday れにちゃん
    type: MusicRecording
    duration: PT3M35S
    duration ms: 215279
    explicit: false
    by artist: 高城れに
    in album: れにちゃんWORLD
      type: MusicAlbum
      date published: 2021-08-18
    genre: c-pop
    genre: j-pop
    isrc code: JPKI01917340
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T10:04:31+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x85deab94ded5b768e5a012183b9069baf6e56326bc5b2a7f341634fe9b640d2d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958865
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958865
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI01917340
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T13:03:37Z
    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 0x85deab94ded5b768e5a012183b9069baf6e56326bc5b2a7f341634fe9b640d2d. Chain 2 (Bitcoin): anchored in block 958865 (2026-07-20T13:03:37Z), 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/JPKI01917340.
      date published: 2026-07-20T13:03:37Z
    audio: everyday れにちゃん
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 122.012
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
      additional property: Energy
      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: Go! Go! Heaven
album: じゃないほう
album: レニー来航！！/3月9日
album: M&S～ママパパへ～
album: ポジティブ・アテンションプリーズ！
album: 君色のひかり
album: おとぎましょう
album: きみの世界をまもって！
album: Lovely Monster
album: OTOGIMASHOU

Danceability
type: PropertyValue
value: 0.577

Energy
type: PropertyValue
value: 0.956

Speechiness
type: PropertyValue
value: 0.062

Acousticness
type: PropertyValue
value: 0.145

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.235

Valence (Positivity)
type: PropertyValue
value: 0.725

Loudness (dB)
type: PropertyValue
value: -3.423

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Go! Go! Heaven
type: MusicAlbum
date published: 2021-11-10
track: Go! Go! Heaven
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279433
  explicit: false
  by artist: 高城れに
  in album: Go! Go! Heaven
    type: MusicAlbum
    date published: 2021-11-10
  genre: c-pop
  genre: j-pop
  isrc code: JPKI02117003
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T19:09:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6336a46817203d57fa66dff55171db1a1ddb21645c71bd3acd8da28066bb6473
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02117003
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T02:06:47Z
  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 0x6336a46817203d57fa66dff55171db1a1ddb21645c71bd3acd8da28066bb6473. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), 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/JPKI02117003.
    date published: 2026-07-04T02:06:47Z
  audio: Go! Go! Heaven
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.993
    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: 0.509
    additional property: Energy
      type: PropertyValue
      value: 0.944
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.08
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.313
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.515
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.64
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

じゃないほう
type: MusicAlbum
date published: 2022-03-04

レニー来航！！/3月9日
type: MusicAlbum
date published: 2023-03-09
track: レニー来航！！
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194665
  explicit: false
  by artist: 高城れに
  in album: レニー来航！！/3月9日
    type: MusicAlbum
    date published: 2023-03-09
  genre: c-pop
  genre: j-pop
  isrc code: JPKI02310543
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:36:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x361ec1a0230c0a313ef1e72f96751daeecca17e0befbefb55e01a04add3adab1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958901
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958901
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02310543
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:39:16Z
  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 0x361ec1a0230c0a313ef1e72f96751daeecca17e0befbefb55e01a04add3adab1. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T17:39:16Z), 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/JPKI02310543.
    date published: 2026-07-20T17:39:16Z
  audio: レニー来航！！
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.034
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.651
    additional property: Energy
      type: PropertyValue
      value: 0.914
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.359
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.62
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.627
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 3月9日
  type: MusicRecording
  duration: PT4M20S
  duration ms: 260519
  explicit: false
  by artist: 高城れに
  in album: レニー来航！！/3月9日
    type: MusicAlbum
    date published: 2023-03-09
  genre: c-pop
  genre: j-pop
  isrc code: JPKI02310545
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T17:18:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa64d0fd20bb209ff67b838759ca27ce849990b43f4ee87cf459e753e2ceb5f17
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959047
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959047
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02310545
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T19:17:28Z
  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 0xa64d0fd20bb209ff67b838759ca27ce849990b43f4ee87cf459e753e2ceb5f17. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), 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/JPKI02310545.
    date published: 2026-07-21T19:17:28Z
  audio: 3月9日
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 152.054
    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: 0.458
    additional property: Energy
      type: PropertyValue
      value: 0.76
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.244
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.295
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.464
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.057
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

M&S～ママパパへ～
type: MusicAlbum
date published: 2023-06-25

ポジティブ・アテンションプリーズ！
type: MusicAlbum
date published: 2024-07-05
track: ポジティブ・アテンションプリーズ！
  type: MusicRecording
  duration: PT4M4S
  duration ms: 244452
  explicit: false
  by artist: 高城れに
  in album: ポジティブ・アテンションプリーズ！
    type: MusicAlbum
    date published: 2024-07-05
  genre: c-pop
  genre: j-pop
  isrc code: JPKI02412382
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T23:12:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc45a6f7b6d0d807e1115716710e13052934e8548b358b42bb44bc71f61c11e83
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956639
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956639
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPKI02412382
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T11:19:20Z
  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
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  audio: ポジティブ・アテンションプリーズ！
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君色のひかり
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date published: 2024-10-18

おとぎましょう
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date published: 2025-09-19

きみの世界をまもって！
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date published: 2025-10-01

Lovely Monster
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    date published: 2026-07-15T23:01:04Z
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OTOGIMASHOU
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date published: 2025-10-15