堂村璃羽
type: MusicGroup
genre: j-pop
genre: j-rap
popularity: 43
followers: 109769
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc5f031df88a657af02c5260eac285d3fbbdcd92021c38478d29c4c8cfbabbf12
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/c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:28:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xc5f031df88a657af02c5260eac285d3fbbdcd92021c38478d29c4c8cfbabbf12","name":"堂村璃羽","registered_at":"2026-06-12T08:59:33Z","symbol":"NIM0249504","token_address":"0x8d432be407f4dc4a8bb1b5b88fc8bf3ce981e6bc","type":"artist","uuid":"c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35"}
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 0xc5f031df88a657af02c5260eac285d3fbbdcd92021c38478d29c4c8cfbabbf12. 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/c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35.json and https://artists.proofprofile.net/proofs/artist/c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0xc5f031df88a657af02c5260eac285d3fbbdcd92021c38478d29c4c8cfbabbf12","name":"堂村璃羽","registered_at":"2026-06-12T08:59:33Z","symbol":"NIM0249504","token_address":"0x8d432be407f4dc4a8bb1b5b88fc8bf3ce981e6bc","type":"artist","uuid":"c16a9dd2-b3dc-4fca-ad70-1d9dbb299a35"}
album: FIRST SEAN
  type: MusicAlbum
  date published: 2018-11-02
album: FIRST SEAN
  type: MusicAlbum
  date published: 2018-11-02
album: FIRST SEAN
  type: MusicAlbum
  date published: 2018-11-02
  track: FIRST SEAN
    type: MusicRecording
    duration: PT2M48S
    duration ms: 168059
    explicit: true
    by artist: 堂村璃羽
    in album: FIRST SEAN
      type: MusicAlbum
      date published: 2018-11-02
    genre: j-pop
    genre: j-rap
    isrc code: TCJPI1806477
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-03T09:51:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe1cf2bf88322c01d2796d844a21bccfeb63cff904ece0398c961327d2d3c990c
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956545
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956545
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPI1806477
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T19:59:51Z
    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 0xe1cf2bf88322c01d2796d844a21bccfeb63cff904ece0398c961327d2d3c990c. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCJPI1806477.
      date published: 2026-07-03T19:59:51Z
    audio: FIRST SEAN
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 120.052
      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: 0.767
      additional property: Energy
        type: PropertyValue
        value: 0.61
      additional property: Speechiness
        type: PropertyValue
        value: 0.046
      additional property: Acousticness
        type: PropertyValue
        value: 0.717
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.194
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.549
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.873
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Escape
  type: MusicAlbum
  date published: 2019-05-04
  track: FAKE LOVE
    type: MusicRecording
    duration: PT3M3S
    duration ms: 183983
    explicit: false
    by artist: 堂村璃羽
    in album: Escape
      type: MusicAlbum
      date published: 2019-05-04
    genre: j-pop
    genre: j-rap
    isrc code: TCJPI1998147
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T10:15:42+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xd0753e607aa37768e027c050910efb8ba0c261b040fabbb75d37e9fa95c85a19
    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/TCJPI1998147
    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 0xd0753e607aa37768e027c050910efb8ba0c261b040fabbb75d37e9fa95c85a19. 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/TCJPI1998147.
      date published: 2026-07-05T19:27:56Z
    audio: FAKE LOVE
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.035
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.839
      additional property: Energy
        type: PropertyValue
        value: 0.732
      additional property: Speechiness
        type: PropertyValue
        value: 0.135
      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: 今日も生きてて偉いね
album: You're great to be alive today.
album: Crush
album: かたおもい
album: この記憶を抜ければ
album: If I leave this memory
album: LONLEY NIGHT
album: LONELY NIGHT
album: いつか出会う君へ
album: For you to meet someday
album: Oneroom
album: AM 5:00
album: PM 5:00
album: 君が君を愛せるように
album: So that you can love you
album: DINE AND DASH
album: NOBODY KNOWS ME
album: Fancy world
album: 空想世界
album: 溺れ愛
album: spoil
album: 明日を生きる
album: Living tomorrow
album: convenient relationship
album: 都合いい関係
album: Happy Birthday
album: Snooze
album: うたた寝
album: Ocean View
album: BLUEMOON
album: SHARP SHIP (feat. 韻マン)
album: SHARP SHIP (feat. Inman)
album: 素顔
album: without makeup
album: この世界から愛が消えた日
album: The day when love disappeared from this world
album: APEX
album: 4月1日
album: April 1st
album: Remember me
album: Poetry (feat. uyuni)
album: キミに溺れたい (feat. 暖日いな)
album: I want to drown in you (feat. Ataka Ina)
album: Decid (uous) [feat. Aoi Taira]
album: 冬夏橙 (feat. 平葵)
album: 生きる
album: To Live
album: CANDY MELLOW
album: 精神疾患
album: Mental illness
album: ポケットにあの日をしまって
album: そばにいる
album: by your side
album: Prima Stella
album: Romantic
album: 夜景
album: Night View
album: byebye
album: BLUE

Acousticness
type: PropertyValue
value: 0.321

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.111

Valence (Positivity)
type: PropertyValue
value: 0.284

Loudness (dB)
type: PropertyValue
value: -7.052

Key Name
type: PropertyValue
value: C#

Mode Name
type: PropertyValue
value: Major

Escape
type: MusicAlbum
date published: 2019-05-04

Escape
type: MusicAlbum
date published: 2019-05-04
track: ハッピーエンドなんてつまらない
  type: MusicRecording
  duration: PT2M25S
  duration ms: 145531
  explicit: false
  by artist: 堂村璃羽
  in album: Escape
    type: MusicAlbum
    date published: 2019-05-04
  genre: j-pop
  genre: j-rap
  isrc code: TCJPI1998148
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T16:37:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5246bb6d2439a42afe0539d337ee7d5c33c5ac6725314e6bde73c8923a5741fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958582
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958582
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPI1998148
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T16:47:25Z
  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 0x5246bb6d2439a42afe0539d337ee7d5c33c5ac6725314e6bde73c8923a5741fe. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), 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/TCJPI1998148.
    date published: 2026-07-18T16:47:25Z
  audio: ハッピーエンドなんてつまらない
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.056
    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
      type: PropertyValue
      value: 0.782
    additional property: Energy
      type: PropertyValue
      value: 0.75
    additional property: Speechiness
      type: PropertyValue
      value: 0.261
    additional property: Acousticness
      type: PropertyValue
      value: 0.582
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.124
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.7
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.872
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

今日も生きてて偉いね
type: MusicAlbum
date published: 2019-06-26
track: 本音
  type: MusicRecording
  duration: PT1M50S
  duration ms: 110735
  explicit: false
  by artist: 堂村璃羽
  in album: 今日も生きてて偉いね
    type: MusicAlbum
    date published: 2019-06-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1923438
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T14:20:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddbdf133c225f1e534588457c950a217ae9911156dd2bdb61795ca7b5d674407
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956551
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956551
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1923438
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T21:18:05Z
  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 0xddbdf133c225f1e534588457c950a217ae9911156dd2bdb61795ca7b5d674407. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), 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/TCJPJ1923438.
    date published: 2026-07-03T21:18:05Z
  audio: 本音
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.021
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.755
    additional property: Energy
      type: PropertyValue
      value: 0.759
    additional property: Speechiness
      type: PropertyValue
      value: 0.123
    additional property: Acousticness
      type: PropertyValue
      value: 0.646
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.74
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.829
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: やりたいこと
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197795
  explicit: false
  by artist: 堂村璃羽
  in album: 今日も生きてて偉いね
    type: MusicAlbum
    date published: 2019-06-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1923439
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:51:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5959079a71166d5abe9c4f95a313ae2beba3799241708a95aa97d08ad655b439
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1923439
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0x5959079a71166d5abe9c4f95a313ae2beba3799241708a95aa97d08ad655b439. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPJ1923439.
    date published: 2026-07-05T01:12:41Z
  audio: やりたいこと
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 151.013
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.587
    additional property: Energy
      type: PropertyValue
      value: 0.775
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.103
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.158
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.832
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.754
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 僕はこの世界に音楽を残した
  type: MusicRecording
  duration: PT4M26S
  duration ms: 266878
  explicit: false
  by artist: 堂村璃羽
  in album: 今日も生きてて偉いね
    type: MusicAlbum
    date published: 2019-06-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1923440
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T09:36:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0c471fd3eaef7d9022af091c06a65265fe5e9fcc00475404bfcbe467e47b29b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 僕はこの世界に音楽を残した
track: 死んだ方がましだ
track: もう疲れたよ

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956545

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1923440

OTSTimestamp
type: PropertyValue
value: 2026-07-03T19:59:51Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0c471fd3eaef7d9022af091c06a65265fe5e9fcc00475404bfcbe467e47b29b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCJPJ1923440.
date published: 2026-07-03T19:59:51Z

僕はこの世界に音楽を残した
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 129.945
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
  type: PropertyValue
  value: 0.862
additional property: Energy
  type: PropertyValue
  value: 0.259
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.452
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.109
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.691
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.469
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

死んだ方がましだ
type: MusicRecording
duration: PT2M18S
duration ms: 138797
explicit: false
by artist: 堂村璃羽
in album: 今日も生きてて偉いね
  type: MusicAlbum
  date published: 2019-06-26
genre: j-pop
genre: j-rap
isrc code: TCJPJ1923441
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T19:21:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50d6dfc7e0b8ff48994f538903d3233c1f114ff176adaff1d296b8a2f84a2989
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1923441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0x50d6dfc7e0b8ff48994f538903d3233c1f114ff176adaff1d296b8a2f84a2989. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPJ1923441.
  date published: 2026-07-05T01:12:41Z
audio: 死んだ方がましだ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.252
  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: 0.486
  additional property: Energy
    type: PropertyValue
    value: 0.569
  additional property: Speechiness
    type: PropertyValue
    value: 0.179
  additional property: Acousticness
    type: PropertyValue
    value: 0.454
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.527
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.187
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

もう疲れたよ
type: MusicRecording
duration: PT2M49S
duration ms: 169807
explicit: false
by artist: 堂村璃羽
in album: 今日も生きてて偉いね
  type: MusicAlbum
  date published: 2019-06-26
genre: j-pop
genre: j-rap
isrc code: TCJPJ1923442
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T04:11:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc66c157261be999e46da2c7c03495773974b148afe10cfb2a88e4e16f75c90a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958238
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958238
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1923442
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:07:35Z
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 0xc66c157261be999e46da2c7c03495773974b148afe10cfb2a88e4e16f75c90a6. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T07:07:35Z), 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/TCJPJ1923442.
  date published: 2026-07-16T07:07:35Z
audio: もう疲れたよ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.526
  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: 0.769
  additional property: Energy
    type: PropertyValue
    value: 0.693
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.1
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.779
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.638
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

You're great to be alive today.
type: MusicAlbum
date published: 2019-06-26

今日も生きてて偉いね
type: MusicAlbum
date published: 2019-06-27

Crush
type: MusicAlbum
date published: 2019-09-14

かたおもい
type: MusicAlbum
date published: 2019-09-14
track: あの日が生きてるなら
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149803
  explicit: false
  by artist: 堂村璃羽
  in album: かたおもい
    type: MusicAlbum
    date published: 2019-09-14
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1957399
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:02:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd974534eace9361a4271119296f7128988584c933eb12f5002f930f08d1dacda
  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/TCJPJ1957399
  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 0xd974534eace9361a4271119296f7128988584c933eb12f5002f930f08d1dacda. 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/TCJPJ1957399.
    date published: 2026-07-05T01:43:49Z
  audio: あの日が生きてるなら
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.038
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.731
    additional property: Energy
      type: PropertyValue
      value: 0.587
    additional property: Speechiness
      type: PropertyValue
      value: 0.314
    additional property: Acousticness
      type: PropertyValue
      value: 0.363
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.135
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.514
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.24
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Escape
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121022
  explicit: false
  by artist: 堂村璃羽
  in album: かたおもい
    type: MusicAlbum
    date published: 2019-09-14
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1957402
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:47:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd9e27e4138e5a7ef4bce3eabbe6b394e58f52b1156dd5f291759d73cf3f999c4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956420
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956420
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1957402
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T00:42:11Z
  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 0xd9e27e4138e5a7ef4bce3eabbe6b394e58f52b1156dd5f291759d73cf3f999c4. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/TCJPJ1957402.
    date published: 2026-07-03T00:42:11Z
  audio: Escape
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 110.069
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.747
    additional property: Energy
      type: PropertyValue
      value: 0.424
    additional property: Speechiness
      type: PropertyValue
      value: 0.081
    additional property: Acousticness
      type: PropertyValue
      value: 0.455
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.479
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.092
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

かたおもい
type: MusicAlbum
date published: 2019-09-14

この記憶を抜ければ
type: MusicAlbum
date published: 2019-10-26
track: クズな君
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170933
  explicit: false
  by artist: 堂村璃羽
  in album: この記憶を抜ければ
    type: MusicAlbum
    date published: 2019-10-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1985986
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-13T09:56:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6c6ef7a32104f2fa81afd3b5535d3242488049e2f92cd15472083577d359491c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957852
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957852
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1985986
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T11:25:45Z
  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 0x6c6ef7a32104f2fa81afd3b5535d3242488049e2f92cd15472083577d359491c. Chain 2 (Bitcoin): anchored in block 957852 (2026-07-13T11:25:45Z), 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/TCJPJ1985986.
    date published: 2026-07-13T11:25:45Z
  audio: クズな君
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.057
    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: 0.753
    additional property: Energy
      type: PropertyValue
      value: 0.644
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0.011
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.005
    additional property: Liveness
      type: PropertyValue
      value: 0.27
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.336
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.888
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: もしも明日世界が終わるなら (feat. uyuni)
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199633
  explicit: false
  by artist: 堂村璃羽
  in album: この記憶を抜ければ
    type: MusicAlbum
    date published: 2019-10-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1985987
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T11:52:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa7115ee2d7507e02e92c13080724661fcdcd1dd843103d508258f05a35ff1d18
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958157
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1985987
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T14:52:53Z
  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 0xa7115ee2d7507e02e92c13080724661fcdcd1dd843103d508258f05a35ff1d18. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T14:52:53Z), 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/TCJPJ1985987.
    date published: 2026-07-15T14:52:53Z
  audio: もしも明日世界が終わるなら (feat. uyuni)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.951
    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: 0.516
    additional property: Energy
      type: PropertyValue
      value: 0.803
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.556
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.177
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.67
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.44
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 両親
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186107
  explicit: false
  by artist: 堂村璃羽
  in album: この記憶を抜ければ
    type: MusicAlbum
    date published: 2019-10-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPJ1985988
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T17:11:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf6f7a39c66e7b10e665cb5537d2636e6c21df45c2b9d6a77651aa4a677a4dc73
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 両親
track: FALSE KISS
track: im - Cover
track: この記憶を抜ければ
track: PRIVATE ROOM

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value: https://blockstream.info/api/block-height/956826

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPJ1985988

OTSTimestamp
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value: 2026-07-05T19:27:56Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6f7a39c66e7b10e665cb5537d2636e6c21df45c2b9d6a77651aa4a677a4dc73. 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/TCJPJ1985988.
date published: 2026-07-05T19:27:56Z

両親
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Key Name
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additional property: Mode Name
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FALSE KISS
type: MusicRecording
duration: PT3M22S
duration ms: 202918
explicit: true
by artist: 堂村璃羽
in album: この記憶を抜ければ
  type: MusicAlbum
  date published: 2019-10-26
genre: j-pop
genre: j-rap
isrc code: TCJPJ1985989
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2537d0c68a2375b9c6f0d62c216b68437f5675f89f3649e58db5fe9d6a546002. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPJ1985989.
  date published: 2026-07-05T01:12:41Z
audio: FALSE KISS
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im - Cover
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by artist: 堂村璃羽
in album: この記憶を抜ければ
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genre: j-pop
genre: j-rap
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4eaf25b1df5e7762708dcd2162c54ce35c11fd998c640e7496a0d347a92b79ab. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:37:04Z), 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/TCJPJ1985992.
  date published: 2026-07-16T12:37:04Z
audio: im - Cover
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この記憶を抜ければ
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genre: j-pop
genre: j-rap
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T00:50:09Z
audio: この記憶を抜ければ
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PRIVATE ROOM
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by artist: 堂村璃羽
in album: この記憶を抜ければ
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genre: j-pop
genre: j-rap
isrc code: TCJPJ1985995
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T20:42:50Z
audio: PRIVATE ROOM
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If I leave this memory
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date published: 2019-10-26

この記憶を抜ければ
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date published: 2019-10-26

LONLEY NIGHT
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date published: 2019-12-08

LONELY NIGHT
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date published: 2019-12-08
track: ねむるまち - Cover
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T13:00:34Z
  audio: ねむるまち - Cover
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track: 忘れてしまいたい
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-04T11:19:20Z
  audio: 忘れてしまいたい
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LONELY NIGHT
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date published: 2019-12-08

いつか出会う君へ
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date published: 2020-03-25

いつか出会う君へ
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date published: 2020-03-25
track: 世界滅亡
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    value: https://blockstream.info/api/block-height/958612
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2076642
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T21:29:37Z
  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 0x7f2ae25c592ab1a1e93fa05faab3a7436bfdf3ecc96977d7204eea4865db99b5. Chain 2 (Bitcoin): anchored in block 958612 (2026-07-18T21:29:37Z), 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/TCJPK2076642.
    date published: 2026-07-18T21:29:37Z
  audio: 世界滅亡
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.985
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.797
    additional property: Energy
      type: PropertyValue
      value: 0.265
    additional property: Speechiness
      type: PropertyValue
      value: 0.281
    additional property: Acousticness
      type: PropertyValue
      value: 0.569
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.544
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.853
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: NTR
  type: MusicRecording
  duration: PT1M31S
  duration ms: 91136
  explicit: true
  by artist: 堂村璃羽
  in album: いつか出会う君へ
    type: MusicAlbum
    date published: 2020-03-25
  genre: j-pop
  genre: j-rap
  isrc code: TCJPK2076704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T16:39:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa0b454726aa0137932f76cfe4ec5d3131b2baa05a308b92651e8fc7e78f9a876
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958176
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958176
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2076704
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T19:42:48Z
  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 0xa0b454726aa0137932f76cfe4ec5d3131b2baa05a308b92651e8fc7e78f9a876. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:42:48Z), 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/TCJPK2076704.
    date published: 2026-07-15T19:42:48Z
  audio: NTR
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 175.648
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.635
    additional property: Energy
      type: PropertyValue
      value: 0.45
    additional property: Speechiness
      type: PropertyValue
      value: 0.822
    additional property: Acousticness
      type: PropertyValue
      value: 0.406
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.068
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.834
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.215
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: LIFE
  type: MusicRecording
  duration: PT2M8S
  duration ms: 128341
  explicit: false
  by artist: 堂村璃羽
  in album: いつか出会う君へ
    type: MusicAlbum
    date published: 2020-03-25
  genre: j-pop
  genre: j-rap
  isrc code: TCJPK2076710
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T05:18:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7228ecd821c238b0689be0355ae5caa8bce4be8fe5e548af53bd5de6f595d3ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: LIFE

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958377

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2076710

OTSTimestamp
type: PropertyValue
value: 2026-07-17T06:48:00Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7228ecd821c238b0689be0355ae5caa8bce4be8fe5e548af53bd5de6f595d3ae. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), 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/TCJPK2076710.
date published: 2026-07-17T06:48:00Z

LIFE
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 113.997
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.795
additional property: Energy
  type: PropertyValue
  value: 0.558
additional property: Speechiness
  type: PropertyValue
  value: 0.134
additional property: Acousticness
  type: PropertyValue
  value: 0.077
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.114
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.381
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.867
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

For you to meet someday
type: MusicAlbum
date published: 2020-03-25
track: A place without you
  type: MusicRecording
  duration: PT3M39S
  duration ms: 219136
  explicit: false
  by artist: 堂村璃羽
  in album: For you to meet someday
    type: MusicAlbum
    date published: 2020-03-25
  genre: j-pop
  genre: j-rap
  isrc code: TCJPK2076694
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T15:07:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5b2b89b9c9f4b5af0b9b43bc723399325774e974c38a623c166909df3a0d15d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958430
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958430
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPK2076694
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T15:33:28Z
  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 0xc5b2b89b9c9f4b5af0b9b43bc723399325774e974c38a623c166909df3a0d15d. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), 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/TCJPK2076694.
    date published: 2026-07-17T15:33:28Z
  audio: A place without you
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.907
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.674
    additional property: Energy
      type: PropertyValue
      value: 0.418
    additional property: Speechiness
      type: PropertyValue
      value: 0.076
    additional property: Acousticness
      type: PropertyValue
      value: 0.9
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.143
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.735
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.706
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Oneroom
type: MusicAlbum
date published: 2020-05-27
track: Oneroom
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172373
  explicit: false
  by artist: 堂村璃羽
  in album: Oneroom
    type: MusicAlbum
    date published: 2020-05-27
  genre: j-pop
  genre: j-rap
  isrc code: TCJPL2062077
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T12:29:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdfce06824727c28eb3b4bc2a45621dd00dc26786881056e86c7dba264f435b9e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2062077
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0xdfce06824727c28eb3b4bc2a45621dd00dc26786881056e86c7dba264f435b9e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPL2062077.
    date published: 2026-07-05T01:12:41Z
  audio: Oneroom
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 173.993
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.718
    additional property: Energy
      type: PropertyValue
      value: 0.379
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.223
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.825
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.936
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 廃品回収 - Cover
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210261
  explicit: false
  by artist: 堂村璃羽
  in album: Oneroom
    type: MusicAlbum
    date published: 2020-05-27
  genre: j-pop
  genre: j-rap
  isrc code: TCJPL2062081
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T05:22:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbda989179cd1125a90a16005c03be93c9ea3559d7ad10b1de013fa52cb4b2111
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2062081
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xbda989179cd1125a90a16005c03be93c9ea3559d7ad10b1de013fa52cb4b2111. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCJPL2062081.
    date published: 2026-07-05T10:01:46Z
  audio: 廃品回収 - Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 175.953
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.505
    additional property: Speechiness
      type: PropertyValue
      value: 0.184
    additional property: Acousticness
      type: PropertyValue
      value: 0.52
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.654
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.652
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.858
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

Oneroom
type: MusicAlbum
date published: 2020-05-27

Oneroom
type: MusicAlbum
date published: 2020-05-28

AM 5:00
type: MusicAlbum
date published: 2020-06-07
track: AM 5:00
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188757
  explicit: false
  by artist: 堂村璃羽
  in album: AM 5:00
    type: MusicAlbum
    date published: 2020-06-07
  genre: j-pop
  genre: j-rap
  isrc code: TCJPL2081443
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:36:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4020eeba28d60745a8c11b6a87f0a583fa2baa0462b23dee34211732aa4a7bce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958667
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958667
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPL2081443
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T05:04:54Z
  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 0x4020eeba28d60745a8c11b6a87f0a583fa2baa0462b23dee34211732aa4a7bce. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), 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/TCJPL2081443.
    date published: 2026-07-19T05:04:54Z
  audio: AM 5:00
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.009
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.806
    additional property: Energy
      type: PropertyValue
      value: 0.534
    additional property: Speechiness
      type: PropertyValue
      value: 0.095
    additional property: Acousticness
      type: PropertyValue
      value: 0.77
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.132
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.704
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

AM 5:00
type: MusicAlbum
date published: 2020-06-07

AM 5:00
type: MusicAlbum
date published: 2020-06-07

PM 5:00
type: MusicAlbum
date published: 2020-09-01

PM 5:00
type: MusicAlbum
date published: 2020-09-01

PM 5:00
type: MusicAlbum
date published: 2020-09-01

君が君を愛せるように
type: MusicAlbum
date published: 2020-10-20

君が君を愛せるように
type: MusicAlbum
date published: 2020-10-20
track: moonlight
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160938
  explicit: false
  by artist: 堂村璃羽
  in album: 君が君を愛せるように
    type: MusicAlbum
    date published: 2020-10-20
  genre: j-pop
  genre: j-rap
  isrc code: TCJPM2077784
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T06:43:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd04a288d392b1486705f2428296ee6236a0c42df89b4a47620a1e11683bf9b54
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPM2077784
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xd04a288d392b1486705f2428296ee6236a0c42df89b4a47620a1e11683bf9b54. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/TCJPM2077784.
    date published: 2026-07-05T10:01:46Z
  audio: moonlight
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.97
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.829
    additional property: Energy
      type: PropertyValue
      value: 0.648
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.119
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.844
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.17
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 責任
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165205
  explicit: false
  by artist: 堂村璃羽
  in album: 君が君を愛せるように
    type: MusicAlbum
    date published: 2020-10-20
  genre: j-pop
  genre: j-rap
  isrc code: TCJPM2077795
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T16:48:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb5d15673be5e92eefcc7f298b5f0af25e8d7fcbddb3c69641b4a20b9c1053b4a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958761
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958761
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPM2077795
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T17:49:48Z
  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 0xb5d15673be5e92eefcc7f298b5f0af25e8d7fcbddb3c69641b4a20b9c1053b4a. Chain 2 (Bitcoin): anchored in block 958761 (2026-07-19T17:49:48Z), 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/TCJPM2077795.
    date published: 2026-07-19T17:49:48Z
  audio: 責任
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.997
    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: 0.84
    additional property: Energy
      type: PropertyValue
      value: 0.637
    additional property: Speechiness
      type: PropertyValue
      value: 0.278
    additional property: Acousticness
      type: PropertyValue
      value: 0.546
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.157
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.922
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.412
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: もし君があいつと別れてくれるなら
  type: MusicRecording
  duration: PT3M21S
  duration ms: 201386
  explicit: false
  by artist: 堂村璃羽
  in album: 君が君を愛せるように
    type: MusicAlbum
    date published: 2020-10-20
  genre: j-pop
  genre: j-rap
  isrc code: TCJPM2077808
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T22:51:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x013528e948661a933c4316b5cf0827bb1b3ec510f44b100500918e46e275c5d4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957770
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: もし君があいつと別れてくれるなら
track: Cocktail

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957770

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPM2077808

OTSTimestamp
type: PropertyValue
value: 2026-07-12T23:17:00Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013528e948661a933c4316b5cf0827bb1b3ec510f44b100500918e46e275c5d4. Chain 2 (Bitcoin): anchored in block 957770 (2026-07-12T23:17:00Z), 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/TCJPM2077808.
date published: 2026-07-12T23:17:00Z

もし君があいつと別れてくれるなら
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 170.102
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: 0.73
additional property: Energy
  type: PropertyValue
  value: 0.672
additional property: Speechiness
  type: PropertyValue
  value: 0.06
additional property: Acousticness
  type: PropertyValue
  value: 0.786
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.123
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.879
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.809
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Cocktail
type: MusicRecording
duration: PT3M37S
duration ms: 217260
explicit: false
by artist: 堂村璃羽
in album: 君が君を愛せるように
  type: MusicAlbum
  date published: 2020-10-20
genre: j-pop
genre: j-rap
isrc code: TCJPM2077913
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T20:38:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8db404a45763a23a253fb94abecfc7fc8ee8efdac9c875172c5c57f6025e4394
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958779
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958779
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPM2077913
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T23:40:32Z
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 0x8db404a45763a23a253fb94abecfc7fc8ee8efdac9c875172c5c57f6025e4394. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:40:32Z), 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/TCJPM2077913.
  date published: 2026-07-19T23:40:32Z
audio: Cocktail
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 157.049
  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: 0.73
  additional property: Energy
    type: PropertyValue
    value: 0.476
  additional property: Speechiness
    type: PropertyValue
    value: 0.212
  additional property: Acousticness
    type: PropertyValue
    value: 0.554
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.686
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.231
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

So that you can love you
type: MusicAlbum
date published: 2020-10-20

DINE AND DASH
type: MusicAlbum
date published: 2020-11-03

DINE AND DASH
type: MusicAlbum
date published: 2020-11-03

DINE AND DASH
type: MusicAlbum
date published: 2020-11-03

NOBODY KNOWS ME
type: MusicAlbum
date published: 2020-11-14
track: NOBODY KNOWS ME
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151552
  explicit: false
  by artist: 堂村璃羽
  in album: NOBODY KNOWS ME
    type: MusicAlbum
    date published: 2020-11-14
  genre: j-pop
  genre: j-rap
  isrc code: TCJPN2002407
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T01:44:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37689ea7c4c5f5564c365e3d7bb078156cc2a59b69306a06fe3b87767e1f9da8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958805
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958805
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2002407
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:22:58Z
  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 0x37689ea7c4c5f5564c365e3d7bb078156cc2a59b69306a06fe3b87767e1f9da8. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/TCJPN2002407.
    date published: 2026-07-20T02:22:58Z
  audio: NOBODY KNOWS ME
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.915
    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: 0.688
    additional property: Energy
      type: PropertyValue
      value: 0.43
    additional property: Speechiness
      type: PropertyValue
      value: 0.079
    additional property: Acousticness
      type: PropertyValue
      value: 0.82
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.029
    additional property: Liveness
      type: PropertyValue
      value: 0.215
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.555
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.943
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor

NOBODY KNOWS ME
type: MusicAlbum
date published: 2020-11-14

NOBODY KNOWS ME
type: MusicAlbum
date published: 2020-11-14

Fancy world
type: MusicAlbum
date published: 2020-12-06

空想世界
type: MusicAlbum
date published: 2020-12-06
track: Stressfree
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179882
  explicit: false
  by artist: 堂村璃羽
  in album: 空想世界
    type: MusicAlbum
    date published: 2020-12-06
  genre: j-pop
  genre: j-rap
  isrc code: TCJPN2027070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:31:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5c076ee2b1ea31f7fdda1954c64310816142f3aca1e4e53d0864fe743e62761f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2027070
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 0x5c076ee2b1ea31f7fdda1954c64310816142f3aca1e4e53d0864fe743e62761f. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCJPN2027070.
    date published: 2026-07-03T08:56:35Z
  audio: Stressfree
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 175.859
    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: 0.623
    additional property: Energy
      type: PropertyValue
      value: 0.33
    additional property: Speechiness
      type: PropertyValue
      value: 0.239
    additional property: Acousticness
      type: PropertyValue
      value: 0.641
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.139
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.849
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.193
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

空想世界
type: MusicAlbum
date published: 2020-12-06

溺れ愛
type: MusicAlbum
date published: 2020-12-25

spoil
type: MusicAlbum
date published: 2020-12-25
track: spoil
  type: MusicRecording
  duration: PT2M5S
  duration ms: 125194
  explicit: false
  by artist: 堂村璃羽
  in album: spoil
    type: MusicAlbum
    date published: 2020-12-25
  genre: j-pop
  genre: j-rap
  isrc code: TCJPN2041096
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T22:19:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4788fee17dcbdad3ac0410418d67d890be1fe57f013a1801ab04c7181a6b7d57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958335
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958335
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPN2041096
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T22:37:47Z
  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 0x4788fee17dcbdad3ac0410418d67d890be1fe57f013a1801ab04c7181a6b7d57. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/TCJPN2041096.
    date published: 2026-07-16T22:37:47Z
  audio: spoil
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.989
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.911
    additional property: Energy
      type: PropertyValue
      value: 0.749
    additional property: Speechiness
      type: PropertyValue
      value: 0.088
    additional property: Acousticness
      type: PropertyValue
      value: 0.476
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.132
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.847
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

溺れ愛
type: MusicAlbum
date published: 2020-12-25

明日を生きる
type: MusicAlbum
date published: 2021-01-18

明日を生きる
type: MusicAlbum
date published: 2021-01-18
track: 明日を生きる
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  duration: PT3M19S
  duration ms: 199069
  explicit: false
  by artist: 堂村璃羽
  in album: 明日を生きる
    type: MusicAlbum
    date published: 2021-01-18
  genre: j-pop
  genre: j-rap
  isrc code: TCJPN2167504
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:15:54Z
  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 0xc64bdff5022a4e228a92b7e258dab8b9a69f388fcfd96e5f3251e570a237c47e. Chain 2 (Bitcoin): anchored in block 958341 (2026-07-17T02:15:54Z), 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/TCJPN2167504.
    date published: 2026-07-17T02:15:54Z
  audio: 明日を生きる
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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Living tomorrow
type: MusicAlbum
date published: 2021-01-18

convenient relationship
type: MusicAlbum
date published: 2021-02-19

都合いい関係
type: MusicAlbum
date published: 2021-02-19

都合いい関係
type: MusicAlbum
date published: 2021-02-19

Happy Birthday
type: MusicAlbum
date published: 2021-02-24

Happy Birthday
type: MusicAlbum
date published: 2021-02-24

Happy Birthday
type: MusicAlbum
date published: 2021-02-25

Snooze
type: MusicAlbum
date published: 2021-03-27

うたた寝
type: MusicAlbum
date published: 2021-03-27

うたた寝
type: MusicAlbum
date published: 2021-03-27

Ocean View
type: MusicAlbum
date published: 2021-04-24

Ocean View
type: MusicAlbum
date published: 2021-04-24

Ocean View
type: MusicAlbum
date published: 2021-04-24
track: Ocean View
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199505
  explicit: false
  by artist: 堂村璃羽
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    type: MusicAlbum
    date published: 2021-04-24
  genre: j-pop
  genre: j-rap
  isrc code: TCJPO2154990
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T01:55:31Z
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x678bef16da88971238e3e4e0ec4e3b64c6756169a90626cb324a251b0d55b8f4. Chain 2 (Bitcoin): anchored in block 957785 (2026-07-13T01:55:31Z), 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/TCJPO2154990.
    date published: 2026-07-13T01:55:31Z
  audio: Ocean View
    type: AudioObject
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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BLUEMOON
type: MusicAlbum
date published: 2021-04-30
track: BLUEMOON
  type: MusicRecording
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  explicit: false
  by artist: 堂村璃羽
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    type: MusicAlbum
    date published: 2021-04-30
  genre: j-pop
  genre: j-rap
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  additional property: CopyrightStatus
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T04:47:21Z
  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 0x1b0832d34b3308e1099a46170737ecdeb53d6ab5c7c6496ab3aaeb3fc42c1e2c. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/TCJPO2160758.
    date published: 2026-07-05T04:47:21Z
  audio: BLUEMOON
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
      type: PropertyValue
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    additional property: Mode Name
      type: PropertyValue
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BLUEMOON
type: MusicAlbum
date published: 2021-04-30

BLUEMOON
type: MusicAlbum
date published: 2021-04-30

SHARP SHIP (feat. 韻マン)
type: MusicAlbum
date published: 2021-05-26

SHARP SHIP (feat. 韻マン)
type: MusicAlbum
date published: 2021-05-26

SHARP SHIP (feat. Inman)
type: MusicAlbum
date published: 2021-05-26

素顔
type: MusicAlbum
date published: 2021-06-02

without makeup
type: MusicAlbum
date published: 2021-06-02

素顔
type: MusicAlbum
date published: 2021-06-02

この世界から愛が消えた日
type: MusicAlbum
date published: 2021-06-20
track: この世界から愛が消えた日
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170370
  explicit: false
  by artist: 堂村璃羽
  in album: この世界から愛が消えた日
    type: MusicAlbum
    date published: 2021-06-20
  genre: j-pop
  genre: j-rap
  isrc code: TCJPO2188908
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  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 0x1b11cec29a806ec8856780746635e6bbb6540479242d05cd655793314e57d39b. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T12:43:37Z), 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/TCJPO2188908.
    date published: 2026-07-16T12:43:37Z
  audio: この世界から愛が消えた日
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: CLUBHOUSE
  type: MusicRecording
  duration: PT1M34S
  duration ms: 94132
  explicit: false
  by artist: 堂村璃羽
  in album: この世界から愛が消えた日
    type: MusicAlbum
    date published: 2021-06-20
  genre: j-pop
  genre: j-rap
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  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 0xa3ae3cd3988bdb6718d0d29a6c0b7e5205253edac00a8c0b6298106641257828. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), 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/TCJPO2188907.
    date published: 2026-07-06T07:53:57Z
  audio: CLUBHOUSE
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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この世界から愛が消えた日
type: MusicAlbum
date published: 2021-06-20

The day when love disappeared from this world
type: MusicAlbum
date published: 2021-06-20

APEX
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date published: 2021-10-11

APEX
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date published: 2021-10-11

APEX
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date published: 2021-10-11

4月1日
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date published: 2021-10-17

4月1日
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date published: 2021-10-17
track: 4月1日
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  duration: PT3M46S
  duration ms: 226255
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    date published: 2021-10-17
  genre: j-pop
  genre: j-rap
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  additional property: OTSBitcoinBlock
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    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 0x88914f6d00eff9c37cac930c66fe6567cd61b1727048a8e05b01615709f32d83. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCJPQ2110489.
    date published: 2026-07-04T10:04:33Z
  audio: 4月1日
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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April 1st
type: MusicAlbum
date published: 2021-10-17

Remember me
type: MusicAlbum
date published: 2021-10-23

Remember me
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date published: 2021-10-23

Remember me
type: MusicAlbum
date published: 2021-10-23

Poetry (feat. uyuni)
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date published: 2021-11-23

Poetry (feat. uyuni)
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date published: 2021-11-23

Poetry (feat. uyuni)
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date published: 2021-11-23
track: Poetry (feat. uyuni)
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    date published: 2021-11-23
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPQ2140378
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  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 0x91af69436f8d5c26c6b87bab41e9318e991d0d7bec65ff41450ba9c75c86023b. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/TCJPQ2140378.
    date published: 2026-07-03T19:59:51Z
  audio: Poetry (feat. uyuni)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.783
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
      value: 0.882
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.117
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.721
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.286
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
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キミに溺れたい (feat. 暖日いな)
type: MusicAlbum
date published: 2021-11-26

キミに溺れたい (feat. 暖日いな)
type: MusicAlbum
date published: 2021-11-26

I want to drown in you (feat. Ataka Ina)
type: MusicAlbum
date published: 2021-11-26
track: I want to drown in you (feat. Ataka Ina)
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189098
  explicit: false
  by artist: 堂村璃羽
  in album: I want to drown in you (feat. Ataka Ina)
    type: MusicAlbum
    date published: 2021-11-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPQ2140390
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f2419b0069f769f12c60e91b5a51127cba078bd595de9dbf919ee4e533c3eb6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958673
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPQ2140390
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T05:38:28Z
  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 0x4f2419b0069f769f12c60e91b5a51127cba078bd595de9dbf919ee4e533c3eb6. Chain 2 (Bitcoin): anchored in block 958673 (2026-07-19T05:38:28Z), 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/TCJPQ2140390.
    date published: 2026-07-19T05:38:28Z
  audio: I want to drown in you (feat. Ataka Ina)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.766
    additional property: Energy
      type: PropertyValue
      value: 0.564
    additional property: Speechiness
      type: PropertyValue
      value: 0.074
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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      value: Bb
    additional property: Mode Name
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Decid (uous) [feat. Aoi Taira]
type: MusicAlbum
date published: 2022-01-12

冬夏橙 (feat. 平葵)
type: MusicAlbum
date published: 2022-01-12

冬夏橙 (feat. 平葵)
type: MusicAlbum
date published: 2022-01-12

生きる
type: MusicAlbum
date published: 2022-04-14

生きる
type: MusicAlbum
date published: 2022-04-14

To Live
type: MusicAlbum
date published: 2022-04-14
track: To Live
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193194
  explicit: false
  by artist: 堂村璃羽
  in album: To Live
    type: MusicAlbum
    date published: 2022-04-14
  genre: j-pop
  genre: j-rap
  isrc code: TCJPR2261279
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x04578c7a3106067192c75bc0bb21b123dccd186151e02c5667bccc0a7b3068e4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/TCJPR2261279
  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 0x04578c7a3106067192c75bc0bb21b123dccd186151e02c5667bccc0a7b3068e4. 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/TCJPR2261279.
    date published: 2026-07-05T19:27:56Z
  audio: To Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.742
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.588
    additional property: Loudness (dB)
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      value: -12.598
    additional property: Key Name
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      value: F
    additional property: Mode Name
      type: PropertyValue
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CANDY MELLOW
type: MusicAlbum
date published: 2022-05-02

CANDY MELLOW
type: MusicAlbum
date published: 2022-05-02

CANDY MELLOW
type: MusicAlbum
date published: 2022-05-02
track: CANDY MELLOW
  type: MusicRecording
  duration: PT2M59S
  duration ms: 179541
  explicit: false
  by artist: 堂村璃羽
  in album: CANDY MELLOW
    type: MusicAlbum
    date published: 2022-05-02
  genre: j-pop
  genre: j-rap
  isrc code: TCJPR2279742
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-16T23:00:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xae7d868c4c21831befb2129632e59ba781637be536965147174a454be7d205df
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958342
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958342
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPR2279742
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T02:13:02Z
  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 0xae7d868c4c21831befb2129632e59ba781637be536965147174a454be7d205df. Chain 2 (Bitcoin): anchored in block 958342 (2026-07-17T02:13:02Z), 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/TCJPR2279742.
    date published: 2026-07-17T02:13:02Z
  audio: CANDY MELLOW
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.978
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.798
    additional property: Energy
      type: PropertyValue
      value: 0.242
    additional property: Speechiness
      type: PropertyValue
      value: 0.338
    additional property: Acousticness
      type: PropertyValue
      value: 0.747
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.496
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.888
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
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精神疾患
type: MusicAlbum
date published: 2022-05-30

Mental illness
type: MusicAlbum
date published: 2022-05-30

精神疾患
type: MusicAlbum
date published: 2022-05-30

ポケットにあの日をしまって
type: MusicAlbum
date published: 2022-07-06

そばにいる
type: MusicAlbum
date published: 2022-11-18

そばにいる
type: MusicAlbum
date published: 2022-11-18

by your side
type: MusicAlbum
date published: 2022-11-18

Prima Stella
type: MusicAlbum
date published: 2023-01-20

Romantic
type: MusicAlbum
date published: 2023-01-20

Romantic
type: MusicAlbum
date published: 2023-01-20

Romantic
type: MusicAlbum
date published: 2023-01-20

夜景
type: MusicAlbum
date published: 2023-01-30
track: Prima Stella
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194560
  explicit: false
  by artist: 堂村璃羽
  in album: 夜景
    type: MusicAlbum
    date published: 2023-01-30
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02202513
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T05:58:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xffc24992a7100b927987f9ca7a35f80f3404b1cfc260b37d68a863f18d7a0802
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958110
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202513
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T06:57:12Z
  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 0xffc24992a7100b927987f9ca7a35f80f3404b1cfc260b37d68a863f18d7a0802. Chain 2 (Bitcoin): anchored in block 958110 (2026-07-15T06:57:12Z), 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/JPWP02202513.
    date published: 2026-07-15T06:57:12Z
  audio: Prima Stella
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.799
    additional property: Energy
      type: PropertyValue
      value: 0.481
    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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      value: G
    additional property: Mode Name
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track: 君が愛を知りたいと言ったから
  type: MusicRecording
  duration: PT2M55S
  duration ms: 175957
  explicit: false
  by artist: 堂村璃羽
  in album: 夜景
    type: MusicAlbum
    date published: 2023-01-30
  genre: j-pop
  genre: j-rap
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202517
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T08:27:02Z
  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 0x9d51a92ed544638abcc94aa4befa172033585c0a67f47a666e1e4e4fea2993da. Chain 2 (Bitcoin): anchored in block 958384 (2026-07-17T08:27:02Z), 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/JPWP02202517.
    date published: 2026-07-17T08:27:02Z
  audio: 君が愛を知りたいと言ったから
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.869
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.627
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.401
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.596
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.799
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
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track: Memory
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190463
  explicit: false
  by artist: 堂村璃羽
  in album: 夜景
    type: MusicAlbum
    date published: 2023-01-30
  genre: j-pop
  genre: j-rap
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4732df315dc26ba716a38361f68b70c91d1c6836f8b7b0b2624079c5d2d50d8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 958251
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Memory
track: Sorry
track: 共依存 - Remix
track: 溺れ愛 - Remix

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958251

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202518

OTSTimestamp
type: PropertyValue
value: 2026-07-16T06:29:25Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4732df315dc26ba716a38361f68b70c91d1c6836f8b7b0b2624079c5d2d50d8f. Chain 2 (Bitcoin): anchored in block 958251 (2026-07-16T06:29:25Z), 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/JPWP02202518.
date published: 2026-07-16T06:29:25Z

Memory
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.988
additional property: Musical Key
  type: PropertyValue
  value: 1
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.84
additional property: Energy
  type: PropertyValue
  value: 0.484
additional property: Speechiness
  type: PropertyValue
  value: 0.114
additional property: Acousticness
  type: PropertyValue
  value: 0.653
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.076
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.797
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.032
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Sorry
type: MusicRecording
duration: PT3M30S
duration ms: 210261
explicit: false
by artist: 堂村璃羽
in album: 夜景
  type: MusicAlbum
  date published: 2023-01-30
genre: j-pop
genre: j-rap
isrc code: JPWP02202519
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T17:50:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x949362fae3c74811f62916db6dae058d1354afdd35d083eaf760e9d3efcfb8db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958594
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958594
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202519
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T18:05:01Z
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 0x949362fae3c74811f62916db6dae058d1354afdd35d083eaf760e9d3efcfb8db. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/JPWP02202519.
  date published: 2026-07-18T18:05:01Z
audio: Sorry
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.018
  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
    type: PropertyValue
    value: 0.802
  additional property: Energy
    type: PropertyValue
    value: 0.335
  additional property: Speechiness
    type: PropertyValue
    value: 0.078
  additional property: Acousticness
    type: PropertyValue
    value: 0.684
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.544
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.319
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

共依存 - Remix
type: MusicRecording
duration: PT3M8S
duration ms: 188757
explicit: false
by artist: 堂村璃羽
in album: 夜景
  type: MusicAlbum
  date published: 2023-01-30
genre: j-pop
genre: j-rap
isrc code: JPWP02202520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:05:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x63a91cd139e5ebb878fc111028008e2de7ead555799b25d57fdd220aeb9cc16b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956776
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956776
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:59:37Z
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 0x63a91cd139e5ebb878fc111028008e2de7ead555799b25d57fdd220aeb9cc16b. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/JPWP02202520.
  date published: 2026-07-05T10:59:37Z
audio: 共依存 - Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.029
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.936
  additional property: Energy
    type: PropertyValue
    value: 0.417
  additional property: Speechiness
    type: PropertyValue
    value: 0.253
  additional property: Acousticness
    type: PropertyValue
    value: 0.793
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.816
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.244
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

溺れ愛 - Remix
type: MusicRecording
duration: PT2M16S
duration ms: 136874
explicit: false
by artist: 堂村璃羽
in album: 夜景
  type: MusicAlbum
  date published: 2023-01-30
genre: j-pop
genre: j-rap
isrc code: JPWP02202521
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T13:28:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9b71f43bdcaea0b046e597975ad7a3eb513a92c93ca5adc3553b9f855bb85e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958303
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958303
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02202521
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:39:24Z
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 0xf9b71f43bdcaea0b046e597975ad7a3eb513a92c93ca5adc3553b9f855bb85e4. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/JPWP02202521.
  date published: 2026-07-16T16:39:24Z
audio: 溺れ愛 - Remix
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.032
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.826
  additional property: Energy
    type: PropertyValue
    value: 0.537
  additional property: Speechiness
    type: PropertyValue
    value: 0.284
  additional property: Acousticness
    type: PropertyValue
    value: 0.59
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.849
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Night View
type: MusicAlbum
date published: 2023-01-30

夜景
type: MusicAlbum
date published: 2023-01-30

byebye
type: MusicAlbum
date published: 2023-03-22
track: byebye
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210883
  explicit: false
  by artist: 堂村璃羽
  in album: byebye
    type: MusicAlbum
    date published: 2023-03-22
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02300315
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T22:01:28+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xad0cf2cb3f1faf0a8d4ef1be45964b996f3551a0c77f6fdbede03a1f2f72fe4d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958335
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958335
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02300315
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T22:37:47Z
  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 0xad0cf2cb3f1faf0a8d4ef1be45964b996f3551a0c77f6fdbede03a1f2f72fe4d. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/JPWP02300315.
    date published: 2026-07-16T22:37:47Z
  audio: byebye
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.005
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.743
    additional property: Energy
      type: PropertyValue
      value: 0.535
    additional property: Speechiness
      type: PropertyValue
      value: 0.116
    additional property: Acousticness
      type: PropertyValue
      value: 0.825
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.123
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.576
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.762
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

byebye
type: MusicAlbum
date published: 2023-03-22

byebye
type: MusicAlbum
date published: 2023-03-22

BLUE
type: MusicAlbum
date published: 2023-04-21

BLUE
type: MusicAlbum
date published: 2023-04-21

BLUE
type: MusicAlbum
date published: 2023-04-21

夢の続き (feat. ゆう。)
type: MusicAlbum
date published: 2023-07-14

Dream again (feat. Yuu.)
type: MusicAlbum
date published: 2023-07-14

夢の続き (feat. ゆう。)
type: MusicAlbum
date published: 2023-07-14
track: 夢の続き (feat. ゆう。)
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194560
  explicit: false
  by artist: 堂村璃羽
  in album: 夢の続き (feat. ゆう。)
    type: MusicAlbum
    date published: 2023-07-14
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02300847
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:30:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9a24e20fb3b06c1d71d4c653a3ec89d804e8e177fe519afb7142cdf68d2eae5d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958473
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958473
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02300847
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T00:52:36Z
  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 0x9a24e20fb3b06c1d71d4c653a3ec89d804e8e177fe519afb7142cdf68d2eae5d. Chain 2 (Bitcoin): anchored in block 958473 (2026-07-18T00:52:36Z), 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/JPWP02300847.
    date published: 2026-07-18T00:52:36Z
  audio: 夢の続き (feat. ゆう。)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.985
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.847
    additional property: Energy
      type: PropertyValue
      value: 0.556
    additional property: Speechiness
      type: PropertyValue
      value: 0.122
    additional property: Acousticness
      type: PropertyValue
      value: 0.502
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.083
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.148
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.656
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

夢の続き
type: MusicAlbum
date published: 2023-08-11

Skymark
type: MusicAlbum
date published: 2023-11-10

Skymark
type: MusicAlbum
date published: 2023-11-10
track: Skymark
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166570
  explicit: false
  by artist: 堂村璃羽
  in album: Skymark
    type: MusicAlbum
    date published: 2023-11-10
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02301208
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T06:40:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x807f482f6c185aebd29b7a9c917c878e8415b3a2b2bdb6572b0c9e0ac6b41272
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02301208
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0x807f482f6c185aebd29b7a9c917c878e8415b3a2b2bdb6572b0c9e0ac6b41272. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/JPWP02301208.
    date published: 2026-07-05T10:01:46Z
  audio: Skymark
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.814
    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: 0.694
    additional property: Energy
      type: PropertyValue
      value: 0.406
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.883
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.068
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.442
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.899
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Skymark
type: MusicAlbum
date published: 2023-11-10

Memories to forget
type: MusicAlbum
date published: 2023-12-13

忘れたい記憶
type: MusicAlbum
date published: 2023-12-13

売れないラブソング
type: MusicAlbum
date published: 2023-12-20
track: 売れないラブソング
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198240
  explicit: false
  by artist: 堂村璃羽
  in album: 売れないラブソング
    type: MusicAlbum
    date published: 2023-12-20
  genre: j-pop
  genre: j-rap
  isrc code: TCJPY2318333
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:55:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x083c3c2242bd68ef49226419cb72a8dc79b3c0daf7059af3dab99f2d1203e68f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2318333
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0x083c3c2242bd68ef49226419cb72a8dc79b3c0daf7059af3dab99f2d1203e68f. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPY2318333.
    date published: 2026-07-05T01:12:41Z
  audio: 売れないラブソング
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.043
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.866
    additional property: Energy
      type: PropertyValue
      value: 0.544
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.628
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.831
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.886
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Unpopular love song
type: MusicAlbum
date published: 2023-12-20

Dream again
type: MusicAlbum
date published: 2023-12-21

Prima Stella
type: MusicAlbum
date published: 2023-12-21

Prima Stella
type: MusicAlbum
date published: 2023-12-21

夢の続き
type: MusicAlbum
date published: 2023-12-21
track: lost love
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166229
  explicit: false
  by artist: 堂村璃羽
  in album: 夢の続き
    type: MusicAlbum
    date published: 2023-12-21
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02300848
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T17:29:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x05d442ec38580eab4eaf810097394b3d4c280425c52453df5e9270ff27a062bf
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958594
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958594
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02300848
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T18:05:01Z
  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 0x05d442ec38580eab4eaf810097394b3d4c280425c52453df5e9270ff27a062bf. Chain 2 (Bitcoin): anchored in block 958594 (2026-07-18T18:05:01Z), 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/JPWP02300848.
    date published: 2026-07-18T18:05:01Z
  audio: lost love
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 94.083
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.745
    additional property: Energy
      type: PropertyValue
      value: 0.576
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.478
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.356
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.728
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: EGOIST
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209920
  explicit: false
  by artist: 堂村璃羽
  in album: 夢の続き
    type: MusicAlbum
    date published: 2023-12-21
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02300849
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T13:14:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc8062f514aa38b4f4c144053150c0eca06b7ef0be5b070f4c8091601effb2d8b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958303
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958303
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02300849
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T16:39:24Z
  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 0xc8062f514aa38b4f4c144053150c0eca06b7ef0be5b070f4c8091601effb2d8b. Chain 2 (Bitcoin): anchored in block 958303 (2026-07-16T16:39:24Z), 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/JPWP02300849.
    date published: 2026-07-16T16:39:24Z
  audio: EGOIST
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.086
    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: 0.774
    additional property: Energy
      type: PropertyValue
      value: 0.608
    additional property: Speechiness
      type: PropertyValue
      value: 0.176
    additional property: Acousticness
      type: PropertyValue
      value: 0.472
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.442
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.42
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: PM1:12
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195816
  explicit: false
  by artist: 堂村璃羽
  in album: 夢の続き
    type: MusicAlbum
    date published: 2023-12-21
  genre: j-pop
  genre: j-rap
  isrc code: JPWP02300850
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T23:18:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x548a6626fa95629d71df5c1c530e2c6f7887a8cc9ef86d092e6875b4eadde649
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956857
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: PM1:12

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956857

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPWP02300850

OTSTimestamp
type: PropertyValue
value: 2026-07-06T01:26:17Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x548a6626fa95629d71df5c1c530e2c6f7887a8cc9ef86d092e6875b4eadde649. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/JPWP02300850.
date published: 2026-07-06T01:26:17Z

PM1:12
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 89.997
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: 0.753
additional property: Energy
  type: PropertyValue
  value: 0.553
additional property: Speechiness
  type: PropertyValue
  value: 0.045
additional property: Acousticness
  type: PropertyValue
  value: 0.331
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.158
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.77
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.714
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

last time
type: MusicAlbum
date published: 2023-12-27

last time
type: MusicAlbum
date published: 2023-12-27
track: last time
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173397
  explicit: false
  by artist: 堂村璃羽
  in album: last time
    type: MusicAlbum
    date published: 2023-12-27
  genre: j-pop
  genre: j-rap
  isrc code: TCJPY2322691
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T23:54:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x72ac4d0123240c21ad7b22ddc8fee626d3579b16470f0dfeefc43a36dce6bf2b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958690
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958690
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2322691
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T07:14:39Z
  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 0x72ac4d0123240c21ad7b22ddc8fee626d3579b16470f0dfeefc43a36dce6bf2b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/TCJPY2322691.
    date published: 2026-07-19T07:14:39Z
  audio: last time
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.551
    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: 0.681
    additional property: Energy
      type: PropertyValue
      value: 0.645
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.596
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.488
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.86
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

far away
type: MusicAlbum
date published: 2024-01-03
track: far away
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253943
  explicit: false
  by artist: 堂村璃羽
  in album: far away
    type: MusicAlbum
    date published: 2024-01-03
  genre: j-pop
  genre: j-rap
  isrc code: TCJPY2336197
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T12:46:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd10da901a3d6e8c232828e4a8faa0e63fc99b0895f2ebfe105a808858a586b44
  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/TCJPY2336197
  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 0xd10da901a3d6e8c232828e4a8faa0e63fc99b0895f2ebfe105a808858a586b44. 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/TCJPY2336197.
    date published: 2026-07-05T19:27:56Z
  audio: far away
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 142
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.798
    additional property: Energy
      type: PropertyValue
      value: 0.634
    additional property: Speechiness
      type: PropertyValue
      value: 0.195
    additional property: Acousticness
      type: PropertyValue
      value: 0.764
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.589
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.839
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

far away
type: MusicAlbum
date published: 2024-01-03

beautiful days
type: MusicAlbum
date published: 2024-01-10
track: beautiful days
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180906
  explicit: false
  by artist: 堂村璃羽
  in album: beautiful days
    type: MusicAlbum
    date published: 2024-01-10
  genre: j-pop
  genre: j-rap
  isrc code: TCJPY2336505
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T18:44:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb4ab35e6420ad2ecef59be555cb90e608c14bd3040932ff3de38443495ca8e47
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958771
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958771
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2336505
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T21:46:32Z
  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 0xb4ab35e6420ad2ecef59be555cb90e608c14bd3040932ff3de38443495ca8e47. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:46:32Z), 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/TCJPY2336505.
    date published: 2026-07-19T21:46:32Z
  audio: beautiful days
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 149.977
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.741
    additional property: Energy
      type: PropertyValue
      value: 0.657
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.455
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.103
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.605
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.468
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

beautiful days
type: MusicAlbum
date published: 2024-01-10

SECOND SCENE
type: MusicAlbum
date published: 2024-01-17

SECOND SCENE
type: MusicAlbum
date published: 2024-01-17

不純愛
type: MusicAlbum
date published: 2024-01-24

Sexfriend
type: MusicAlbum
date published: 2024-01-24

5 years ago
type: MusicAlbum
date published: 2024-01-31

5年前
type: MusicAlbum
date published: 2024-01-31
track: 5年前
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226000
  explicit: false
  by artist: 堂村璃羽
  in album: 5年前
    type: MusicAlbum
    date published: 2024-01-31
  genre: j-pop
  genre: j-rap
  isrc code: TCJPY2474523
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T19:42:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe39d38ca92ef2a986cced9f4d02b4962f8b6c9fee6b6b675396f0c35bdcb90f9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2474523
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  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 0xe39d38ca92ef2a986cced9f4d02b4962f8b6c9fee6b6b675396f0c35bdcb90f9. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPY2474523.
    date published: 2026-07-05T01:12:41Z
  audio: 5年前
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 77.908
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.735
    additional property: Energy
      type: PropertyValue
      value: 0.468
    additional property: Speechiness
      type: PropertyValue
      value: 0.369
    additional property: Acousticness
      type: PropertyValue
      value: 0.653
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.453
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.101
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

不定期日記
type: MusicAlbum
date published: 2024-04-26
track: 折れた翼で
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169301
  explicit: false
  by artist: 堂村璃羽
  in album: 不定期日記
    type: MusicAlbum
    date published: 2024-04-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPZ2489576
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T03:50:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd1b832384d6506b2756dbb7e459c0405ffaf0f5b25969e1d6c1225af394de992
  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/TCJPZ2489576
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1b832384d6506b2756dbb7e459c0405ffaf0f5b25969e1d6c1225af394de992. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCJPZ2489576.
    date published: 2026-07-04T11:19:20Z
  audio: 折れた翼で
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.527
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.792
    additional property: Energy
      type: PropertyValue
      value: 0.632
    additional property: Speechiness
      type: PropertyValue
      value: 0.096
    additional property: Acousticness
      type: PropertyValue
      value: 0.418
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.151
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.5
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.147
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: ねぇbigdogビート作ってよ
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186026
  explicit: false
  by artist: 堂村璃羽
  in album: 不定期日記
    type: MusicAlbum
    date published: 2024-04-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPZ2489577
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T02:41:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x14594486aafa4601fbeb483a24de627ff2e65df95ee75548091bd596bd387f38
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958228
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958228
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489577
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T05:43:48Z
  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 0x14594486aafa4601fbeb483a24de627ff2e65df95ee75548091bd596bd387f38. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:43:48Z), 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/TCJPZ2489577.
    date published: 2026-07-16T05:43:48Z
  audio: ねぇbigdogビート作ってよ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.075
    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: 0.887
    additional property: Energy
      type: PropertyValue
      value: 0.575
    additional property: Speechiness
      type: PropertyValue
      value: 0.099
    additional property: Acousticness
      type: PropertyValue
      value: 0.581
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.068
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.725
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.779
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: miss you
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180223
  explicit: false
  by artist: 堂村璃羽
  in album: 不定期日記
    type: MusicAlbum
    date published: 2024-04-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPZ2489580
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T06:32:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3184a43cb4be1fde1117e0c13bb057feb4dc2379f7264a2482d0945524b859e7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956656
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: miss you
track: 忘れたい記憶
track: ほっといてよ。
track: 不純愛
track: 夜景
track: 世界で1番幸せな2人へ
track: 瑠璃色の思い出

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956656

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489580

OTSTimestamp
type: PropertyValue
value: 2026-07-04T14:03:39Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3184a43cb4be1fde1117e0c13bb057feb4dc2379f7264a2482d0945524b859e7. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/TCJPZ2489580.
date published: 2026-07-04T14:03:39Z

miss you
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 142.054
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.744
additional property: Energy
  type: PropertyValue
  value: 0.486
additional property: Speechiness
  type: PropertyValue
  value: 0.086
additional property: Acousticness
  type: PropertyValue
  value: 0.613
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.121
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.184
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.466
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

忘れたい記憶
type: MusicRecording
duration: PT2M46S
duration ms: 166900
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPY2311001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T22:17:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x052f8c9ce375ca54addff6f7cdbee79c67c5fc3b27b82ab6aef0afab37d4f52f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957771
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957771
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2311001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T23:27:28Z
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 0x052f8c9ce375ca54addff6f7cdbee79c67c5fc3b27b82ab6aef0afab37d4f52f. Chain 2 (Bitcoin): anchored in block 957771 (2026-07-12T23:27:28Z), 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/TCJPY2311001.
  date published: 2026-07-12T23:27:28Z
audio: 忘れたい記憶
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.071
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.715
  additional property: Energy
    type: PropertyValue
    value: 0.591
  additional property: Speechiness
    type: PropertyValue
    value: 0.096
  additional property: Acousticness
    type: PropertyValue
    value: 0.71
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.597
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.734
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

ほっといてよ。
type: MusicRecording
duration: PT3M39S
duration ms: 219136
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPZ2489584
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T20:17:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58a2e849d1c48199f121d5112937b7479ca2c32ae9e978f8b2cb95816594424c
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/TCJPZ2489584
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 0x58a2e849d1c48199f121d5112937b7479ca2c32ae9e978f8b2cb95816594424c. 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/TCJPZ2489584.
  date published: 2026-07-04T02:06:47Z
audio: ほっといてよ。
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.521
  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: 0.699
  additional property: Energy
    type: PropertyValue
    value: 0.654
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.553
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.572
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.53
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

不純愛
type: MusicRecording
duration: PT2M47S
duration ms: 167314
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPY2366976
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:34:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3318f3f948ea01953aed7dfaaa7b4826533e0cf045d841966dbea81998a2a0b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956474
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956474
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPY2366976
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T08:56:35Z
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 0x3318f3f948ea01953aed7dfaaa7b4826533e0cf045d841966dbea81998a2a0b8. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCJPY2366976.
  date published: 2026-07-03T08:56:35Z
audio: 不純愛
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.461
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.784
  additional property: Energy
    type: PropertyValue
    value: 0.515
  additional property: Speechiness
    type: PropertyValue
    value: 0.292
  additional property: Acousticness
    type: PropertyValue
    value: 0.655
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.641
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.821
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

夜景
type: MusicRecording
duration: PT3M21S
duration ms: 201045
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPZ2489590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T18:44:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdff3b5e3191144633563f383e5cdcfdb7edb7372fd9036d1471067f7448749e8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489590
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0xdff3b5e3191144633563f383e5cdcfdb7edb7372fd9036d1471067f7448749e8. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPZ2489590.
  date published: 2026-07-05T01:12:41Z
audio: 夜景
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.016
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.857
  additional property: Energy
    type: PropertyValue
    value: 0.468
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.731
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.63
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.766
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

世界で1番幸せな2人へ
type: MusicRecording
duration: PT2M48S
duration ms: 168277
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPZ2489591
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T11:38:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6772816891112ad76d367b4dd3e1e8756f6e0f3314cc1039e7eb99dab7c30931
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489591
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0x6772816891112ad76d367b4dd3e1e8756f6e0f3314cc1039e7eb99dab7c30931. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPZ2489591.
  date published: 2026-07-05T01:12:41Z
audio: 世界で1番幸せな2人へ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 74.999
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.732
  additional property: Energy
    type: PropertyValue
    value: 0.635
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.487
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.833
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.868
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

瑠璃色の思い出
type: MusicRecording
duration: PT3M32S
duration ms: 212480
explicit: false
by artist: 堂村璃羽
in album: 不定期日記
  type: MusicAlbum
  date published: 2024-04-26
genre: j-pop
genre: j-rap
isrc code: TCJPZ2489593
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T18:42:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bc71d69d716a33deaf1bc41f3fb544de19c2d46c0ab2f62b60fa69f38d1cb5e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489593
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
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 0x6bc71d69d716a33deaf1bc41f3fb544de19c2d46c0ab2f62b60fa69f38d1cb5e. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/TCJPZ2489593.
  date published: 2026-07-05T01:12:41Z
audio: 瑠璃色の思い出
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 180.307
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.504
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.65
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.879
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Irregular Diary
type: MusicAlbum
date published: 2024-04-26
track: Trash men and stupid women
  type: MusicRecording
  duration: PT2M58S
  duration ms: 178176
  explicit: false
  by artist: 堂村璃羽
  in album: Irregular Diary
    type: MusicAlbum
    date published: 2024-04-26
  genre: j-pop
  genre: j-rap
  isrc code: TCJPZ2489582
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T02:58:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xed7e507e13249055ce56938e72f3215391c4c5dcd818a5a30bb4fe693ce30c11
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPZ2489582
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0xed7e507e13249055ce56938e72f3215391c4c5dcd818a5a30bb4fe693ce30c11. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCJPZ2489582.
    date published: 2026-07-04T10:04:33Z
  audio: Trash men and stupid women
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.075
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.778
    additional property: Energy
      type: PropertyValue
      value: 0.365
    additional property: Speechiness
      type: PropertyValue
      value: 0.099
    additional property: Acousticness
      type: PropertyValue
      value: 0.612
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.071
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.786
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.928
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

ワンフレーズだけ
type: MusicAlbum
date published: 2024-08-21
track: ワンフレーズだけ
  type: MusicRecording
  duration: PT3M47S
  duration ms: 227000
  explicit: false
  by artist: 堂村璃羽
  in album: ワンフレーズだけ
    type: MusicAlbum
    date published: 2024-08-21
  genre: j-pop
  genre: j-rap
  isrc code: TCJPB2435819
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T07:13:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fe8dcd255e0cc77f54cb9ca64a27bf15716ba185f496d3fede003ceac69d66f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPB2435819
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  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 0x5fe8dcd255e0cc77f54cb9ca64a27bf15716ba185f496d3fede003ceac69d66f. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), 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/TCJPB2435819.
    date published: 2026-07-03T08:56:35Z
  audio: ワンフレーズだけ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.991
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.854
    additional property: Energy
      type: PropertyValue
      value: 0.701
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.209
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.074
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.722
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.775
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

One Phrase
type: MusicAlbum
date published: 2024-08-21

APEX PLAYERS
type: MusicAlbum
date published: 2024-09-22

APEX PLAYERS
type: MusicAlbum
date published: 2024-09-22
track: APEX
  type: MusicRecording
  duration: PT2M45S
  duration ms: 165888
  explicit: false
  by artist: 堂村璃羽
  in album: APEX PLAYERS
    type: MusicAlbum
    date published: 2024-09-22
  genre: j-pop
  genre: j-rap
  isrc code: TCJPQ2105357
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T23:39:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cd872903ee7225112bf4764b107361abe1d973aa10cf70d0bd252bd876f92a1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957774
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957774
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPQ2105357
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T23:51:20Z
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6cd872903ee7225112bf4764b107361abe1d973aa10cf70d0bd252bd876f92a1. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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/TCJPQ2105357.
    date published: 2026-07-12T23:51:20Z
  audio: APEX
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.975
    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: 0.65
    additional property: Energy
      type: PropertyValue
      value: 0.485
    additional property: Speechiness
      type: PropertyValue
      value: 0.155
    additional property: Acousticness
      type: PropertyValue
      value: 0.408
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.377
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.422
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Unchanged
type: MusicAlbum
date published: 2024-11-18

変わらない
type: MusicAlbum
date published: 2024-11-18
track: 変わらない
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187562
  explicit: false
  by artist: 堂村璃羽
  in album: 変わらない
    type: MusicAlbum
    date published: 2024-11-18
  genre: j-pop
  genre: j-rap
  isrc code: TCJPC2464955
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:17:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x366b7c1d9460a55418637c1124dbad5c0e641eaf99beacd9e15f57c80256b452
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2464955
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  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 0x366b7c1d9460a55418637c1124dbad5c0e641eaf99beacd9e15f57c80256b452. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), 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/TCJPC2464955.
    date published: 2026-07-04T10:04:33Z
  audio: 変わらない
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.979
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.768
    additional property: Energy
      type: PropertyValue
      value: 0.663
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.24
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.392
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.283
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 答え合わせ
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170325
  explicit: false
  by artist: 堂村璃羽
  in album: 変わらない
    type: MusicAlbum
    date published: 2024-11-18
  genre: j-pop
  genre: j-rap
  isrc code: TCJPC2464959
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T07:55:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x86afbc46760757d4666b9dba138265ed92da1b636419a29c08380b14ec0f8604
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958383
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958383
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2464959
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:57:21Z
  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 0x86afbc46760757d4666b9dba138265ed92da1b636419a29c08380b14ec0f8604. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T10:57:21Z), 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/TCJPC2464959.
    date published: 2026-07-17T10:57:21Z
  audio: 答え合わせ
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.975
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.775
    additional property: Energy
      type: PropertyValue
      value: 0.556
    additional property: Speechiness
      type: PropertyValue
      value: 0.324
    additional property: Acousticness
      type: PropertyValue
      value: 0.575
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.063
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.545
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.524
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Espada
  type: MusicRecording
  duration: PT2M54S
  duration ms: 174421
  explicit: false
  by artist: 堂村璃羽
  in album: 変わらない
    type: MusicAlbum
    date published: 2024-11-18
  genre: j-pop
  genre: j-rap
  isrc code: TCJPC2464973
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:38:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7acf63d19a5b518d3940f225cee35dc6730e9b101bb874c72d391ff3beb096fa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958474
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Espada
track: ヨワ音
track: I want u

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958474

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2464973

OTSTimestamp
type: PropertyValue
value: 2026-07-18T00:59:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7acf63d19a5b518d3940f225cee35dc6730e9b101bb874c72d391ff3beb096fa. Chain 2 (Bitcoin): anchored in block 958474 (2026-07-18T00:59:09Z), 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/TCJPC2464973.
date published: 2026-07-18T00:59:09Z

Espada
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 155.969
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: 0.764
additional property: Energy
  type: PropertyValue
  value: 0.502
additional property: Speechiness
  type: PropertyValue
  value: 0.237
additional property: Acousticness
  type: PropertyValue
  value: 0.429
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.111
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.534
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.212
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

ヨワ音
type: MusicRecording
duration: PT3M27S
duration ms: 207530
explicit: false
by artist: 堂村璃羽
in album: 変わらない
  type: MusicAlbum
  date published: 2024-11-18
genre: j-pop
genre: j-rap
isrc code: TCJPC2464964
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T13:34:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbebac4cef57f4d41621c52356eade5dc941ea24e1a6617b5d4b54519b2658b48
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/TCJPC2464964
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 0xbebac4cef57f4d41621c52356eade5dc941ea24e1a6617b5d4b54519b2658b48. 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/TCJPC2464964.
  date published: 2026-07-05T01:43:49Z
audio: ヨワ音
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.01
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.78
  additional property: Energy
    type: PropertyValue
    value: 0.612
  additional property: Speechiness
    type: PropertyValue
    value: 0.343
  additional property: Acousticness
    type: PropertyValue
    value: 0.179
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.289
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.711
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

I want u
type: MusicRecording
duration: PT2M33S
duration ms: 153088
explicit: false
by artist: 堂村璃羽
in album: 変わらない
  type: MusicAlbum
  date published: 2024-11-18
genre: j-pop
genre: j-rap
isrc code: TCJPC2464967
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T02:15:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6252878720c377820ca4105b5788768226b26437d4d65d716d974ce4b1b1a878
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/TCJPC2464967
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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6252878720c377820ca4105b5788768226b26437d4d65d716d974ce4b1b1a878. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/TCJPC2464967.
  date published: 2026-07-04T11:19:20Z
audio: I want u
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.847
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.596
  additional property: Energy
    type: PropertyValue
    value: 0.757
  additional property: Speechiness
    type: PropertyValue
    value: 0.215
  additional property: Acousticness
    type: PropertyValue
    value: 0.729
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.514
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.33
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cosmos
type: MusicAlbum
date published: 2025-01-22
track: 海を横目に
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173290
  explicit: false
  by artist: 堂村璃羽
  in album: Cosmos
    type: MusicAlbum
    date published: 2025-01-22
  genre: j-pop
  genre: j-rap
  isrc code: TCJPD2556048
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T02:43:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6595ce3666b3b4997e94d5bdf93503fd0ceafdf0d9a152ebaccad09a4e35a2e1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958823
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958823
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2556048
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T05:45:27Z
  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 0x6595ce3666b3b4997e94d5bdf93503fd0ceafdf0d9a152ebaccad09a4e35a2e1. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T05:45:27Z), 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/TCJPD2556048.
    date published: 2026-07-20T05:45:27Z
  audio: 海を横目に
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.551
    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
      type: PropertyValue
      value: 0.713
    additional property: Energy
      type: PropertyValue
      value: 0.443
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.21
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.359
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.584
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.668
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Worry
  type: MusicRecording
  duration: PT3M10S
  duration ms: 190463
  explicit: false
  by artist: 堂村璃羽
  in album: Cosmos
    type: MusicAlbum
    date published: 2025-01-22
  genre: j-pop
  genre: j-rap
  isrc code: TCJPD2556057
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:06:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd15b4ab43f62eb3c0ef24f1fb84c609ef3d360ea2c8cab937b8f3a61b071e889
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956560
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956560
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPD2556057
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T23:28:02Z
  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 0xd15b4ab43f62eb3c0ef24f1fb84c609ef3d360ea2c8cab937b8f3a61b071e889. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/TCJPD2556057.
    date published: 2026-07-03T23:28:02Z
  audio: Worry
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.436
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.713
    additional property: Energy
      type: PropertyValue
      value: 0.536
    additional property: Speechiness
      type: PropertyValue
      value: 0.095
    additional property: Acousticness
      type: PropertyValue
      value: 0.499
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.611
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.615
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.294
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Cosmos
type: MusicAlbum
date published: 2025-01-22

幸せな日々
type: MusicAlbum
date published: 2025-06-04

End of Summer
type: MusicAlbum
date published: 2025-09-18

夏の終わり
type: MusicAlbum
date published: 2025-09-18

Mellow
type: MusicRecording
duration: PT2M57S
duration ms: 177312
explicit: false
by artist: uyuni
by artist: 堂村璃羽
in album: '99 PEACHY
  type: MusicAlbum
  date published: 2020-12-23
isrc code: JPS801946878
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T19:30:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1cea42723a900d8b7cd435338dad687bfb9aecf06b122aa3593120adab5d05f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPS801946878
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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 0x1cea42723a900d8b7cd435338dad687bfb9aecf06b122aa3593120adab5d05f1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/JPS801946878.
  date published: 2026-07-02T05:09:12Z
audio: Mellow
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.114
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.783
  additional property: Energy
    type: PropertyValue
    value: 0.483
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.629
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.15
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

One Room (feat. 堂村璃羽)
type: MusicRecording
duration: PT2M53S
duration ms: 173500
explicit: false
by artist: Pedestrian
by artist: 堂村璃羽
in album: atelier (cachette)
  type: MusicAlbum
  date published: 2022-04-06
isrc code: JPP302200204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:56:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13edd8c4cd1b2e11ffcb5c011393a10d0fd2ab9d3271a56ec47178d787f3d24a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPP302200204
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x13edd8c4cd1b2e11ffcb5c011393a10d0fd2ab9d3271a56ec47178d787f3d24a. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/JPP302200204.
  date published: 2026-07-08T03:20:19Z
audio: One Room (feat. 堂村璃羽)
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    value: 168.322
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.7
  additional property: Energy
    type: PropertyValue
    value: 0.524
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.179
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.808
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.097
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

destiny (feat. Riu Domura)
type: MusicRecording
duration: PT2M39S
duration ms: 159246
explicit: false
by artist: KeeP
by artist: 堂村璃羽
in album: destiny (feat. Riu Domura)
  type: MusicAlbum
  date published: 2024-10-23
genre: japanese-teen-pop
isrc code: TCJPC2433713
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCJPC2433713
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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 0xe7928d7abe59c60c8e495ab7fdaf33fb4af0148c1b4e5b4b9b7a3f71fdbbcfd0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/TCJPC2433713.
  date published: 2026-07-08T03:53:27Z
audio: destiny (feat. Riu Domura)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.696
  additional property: Energy
    type: PropertyValue
    value: 0.683
  additional property: Speechiness
    type: PropertyValue
    value: 0.307
  additional property: Acousticness
    type: PropertyValue
    value: 0.61
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.196
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.372
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.397
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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