ASKA
type: MusicGroup
genre: kayokyoku
popularity: 38
followers: 33128
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d1206c652adaa184485ecd1e60139f035da756b7670c7b71cda6a27c834258e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fae6c00b-0eec-4824-a851-ba70214b2c1a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fae6c00b-0eec-4824-a851-ba70214b2c1a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fae6c00b-0eec-4824-a851-ba70214b2c1a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d1206c652adaa184485ecd1e60139f035da756b7670c7b71cda6a27c834258e. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fae6c00b-0eec-4824-a851-ba70214b2c1a.json and https://artists.proofprofile.net/proofs/artist/fae6c00b-0eec-4824-a851-ba70214b2c1a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: MY Mr. LONELY HEART
  type: MusicAlbum
  date published: 1987-09-21
album: MY Mr. LONELY HEART
  type: MusicAlbum
  date published: 1987-09-21
album: MIDNIGHT 2 CALL
  type: MusicAlbum
  date published: 1988-07-21
album: MIDNIGHT 2 CALL
  type: MusicAlbum
  date published: 1988-07-21
album: Hajimariha Itsumo Ame
  type: MusicAlbum
  date published: 1991-03-06
album: はじまりはいつも雨
  type: MusicAlbum
  date published: 1991-03-06
  track: 君が愛を語れ
    type: MusicRecording
    duration: PT5M31S
    duration ms: 331400
    explicit: false
    by artist: ASKA
    in album: はじまりはいつも雨
      type: MusicAlbum
      date published: 1991-03-06
    genre: kayokyoku
    isrc code: JPPC09125042
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T01:36:44+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327
    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/JPPC09125042
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T23:51:11Z
    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 0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-19T23:51:11Z), 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/JPPC09125042.
      date published: 2026-07-19T23:51:11Z
    audio: 君が愛を語れ
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.061
      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: 0.582
      additional property: Energy
        type: PropertyValue
        value: 0.447
      additional property: Speechiness
        type: PropertyValue
        value: 0.03
      additional property: Acousticness
        type: PropertyValue
        value: 0.641
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.259
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.261
      additional property: Loudness (dB)
        type: PropertyValue
        value: -12.227
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Symphonic "SAY YES"(飛鳥 涼作品集)
  type: MusicAlbum
  date published: 1992-04-21
  track: はじまりはいつも雨
    type: MusicRecording
    duration: PT4M22S
    duration ms: 262546
    explicit: false
    by artist: ASKA
    in album: Symphonic "SAY YES"(飛鳥 涼作品集)
      type: MusicAlbum
      date published: 1992-04-21
    genre: kayokyoku
    isrc code: JPVI09204790
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T08:40:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4a6cd69a8e2dda681aa2cd20f1ca18b95ac082c8b22ad7470c589542311d7d9b
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPVI09204790
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    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 0x4a6cd69a8e2dda681aa2cd20f1ca18b95ac082c8b22ad7470c589542311d7d9b. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/JPVI09204790.
      date published: 2026-07-18T12:14:37Z
    audio: はじまりはいつも雨
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 88.815
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.172
      additional property: Energy
        type: PropertyValue
        value: 0.293
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Seitenwo Homerunara Yugurewo Mate
album: 晴天を誉めるなら夕暮れを待て
album: ID
album: ONE
album: Girl
album: good time
album: kicks
album: ASKA the BEST Selection 1988-1998
album: NEVER END
album: SCENEⅡ
album: SCENE
album: 心に花の咲く方へ
album: SCENE III
album: UNI-VERSE
album: あなたが泣くことはない
album: STANDARD
album: 12
album: １２
album: 君の知らない君の歌
album: BOOKEND
album: SCRAMBLE
album: Made in ASKA
album: We are the Fellows
album: SCENE (Remix ver.)
album: SCENE (Ⅱ Remix ver.)
album: 笑って歩こうよ/プラネタリウム
album: PRIDE
album: はじまりはいつも雨 (tiny desk concerts JAPAN)
album: PRIDE (tiny desk concerts JAPAN)
album: SAY YES (tiny desk concerts JAPAN)
album: 僕はこの瞳で嘘をつく (tiny desk concerts JAPAN)
album: 太陽と埃の中で (tiny desk concerts JAPAN)
track: 地球という名の都

Speechiness
type: PropertyValue
value: 0.035

Acousticness
type: PropertyValue
value: 0.891

Instrumentalness
type: PropertyValue
value: 0.818

Liveness
type: PropertyValue
value: 0.066

Valence (Positivity)
type: PropertyValue
value: 0.039

Loudness (dB)
type: PropertyValue
value: -13.222

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Major

Seitenwo Homerunara Yugurewo Mate
type: MusicAlbum
date published: 1995-01-01

晴天を誉めるなら夕暮れを待て
type: MusicAlbum
date published: 1995-01-01

ID
type: MusicAlbum
date published: 1997-02-05

ID
type: MusicAlbum
date published: 1997-02-05
track: ID
  type: MusicRecording
  duration: PT4M48S
  duration ms: 288906
  explicit: false
  by artist: ASKA
  in album: ID
    type: MusicAlbum
    date published: 1997-02-05
  genre: kayokyoku
  isrc code: JPTO09639040
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T22:26:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xeff18826870d89a795be254dc786e02b3f9b9a92d9ff3828f8cea4d89de46345
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958793
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958793
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09639040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T01:29:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeff18826870d89a795be254dc786e02b3f9b9a92d9ff3828f8cea4d89de46345. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-20T01:29:57Z), 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/JPTO09639040.
    date published: 2026-07-20T01:29:57Z
  audio: ID
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.921
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.624
    additional property: Energy
      type: PropertyValue
      value: 0.703
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.113
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.686
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.577
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

ONE
type: MusicAlbum
date published: 1997-04-28

ONE
type: MusicAlbum
date published: 1997-04-28

Girl
type: MusicAlbum
date published: 1998-03-11
track: Girl
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299826
  explicit: false
  by artist: ASKA
  in album: Girl
    type: MusicAlbum
    date published: 1998-03-11
  genre: kayokyoku
  isrc code: JPTO09803520
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958798
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958798
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09803520
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T01:59:45Z
  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 0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T01:59:45Z), 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/JPTO09803520.
    date published: 2026-07-20T01:59:45Z
  audio: Girl
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 87.581
    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: 0.539
    additional property: Energy
      type: PropertyValue
      value: 0.883
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.305
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.298
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.63
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.081
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Girl
type: MusicAlbum
date published: 1998-03-11

good time
type: MusicAlbum
date published: 2000-07-12

good time
type: MusicAlbum
date published: 2000-07-12

kicks
type: MusicAlbum
date published: 2001-04-18

ONE
type: MusicAlbum
date published: 2001-04-18

ASKA the BEST Selection 1988-1998
type: MusicAlbum
date published: 2001-04-18
track: MIDNIGHT 2 CALL
  type: MusicRecording
  duration: PT4M35S
  duration ms: 275000
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPPC08807088
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T11:39:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4885659e3ac0db164905d508647ad129b0ebcb5ee65600b3d71aaac577412ec2
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958153
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958153
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807088
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T14:42:06Z
  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 0x4885659e3ac0db164905d508647ad129b0ebcb5ee65600b3d71aaac577412ec2. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:42:06Z), 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/JPPC08807088.
    date published: 2026-07-15T14:42:06Z
  audio: MIDNIGHT 2 CALL
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.564
    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: 0.477
    additional property: Energy
      type: PropertyValue
      value: 0.38
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.33
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.047
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.187
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.33
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: LOVE IS ALIVE
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345493
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPPC09125036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:36:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5
  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/JPPC09125036
  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 0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5. 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/JPPC09125036.
    date published: 2026-07-03T08:56:35Z
  audio: LOVE IS ALIVE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 71.032
    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: 0.465
    additional property: Energy
      type: PropertyValue
      value: 0.576
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.717
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.299
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.179
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.589
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 着地点
  type: MusicRecording
  duration: PT5M1S
  duration ms: 301000
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPTO09708490
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T22:56:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd7322f4f5d5ec7da64b246c72932a18fe43d17da535285f5a0dfa582761aae5e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958212
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958212
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 着地点
track: 同じ時代を
track: GIRL
track: 止まった時計 - new version

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09708490

OTSTimestamp
type: PropertyValue
value: 2026-07-16T02:01:46Z

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 0xd7322f4f5d5ec7da64b246c72932a18fe43d17da535285f5a0dfa582761aae5e. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-16T02:01:46Z), 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/JPTO09708490.
date published: 2026-07-16T02:01:46Z

着地点
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 89.941
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.539
additional property: Energy
  type: PropertyValue
  value: 0.921
additional property: Speechiness
  type: PropertyValue
  value: 0.048
additional property: Acousticness
  type: PropertyValue
  value: 0.034
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.08
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.654
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.824
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

同じ時代を
type: MusicRecording
duration: PT4M1S
duration ms: 241626
explicit: false
by artist: ASKA
in album: ASKA the BEST Selection 1988-1998
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09809190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc399e0d61476b4c0a7377dd6f1b010803d733f3fab85332c117830d1d866961
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958377
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958377
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09809190
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T06:48:00Z
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 0xbc399e0d61476b4c0a7377dd6f1b010803d733f3fab85332c117830d1d866961. 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/JPTO09809190.
  date published: 2026-07-17T06:48:00Z
audio: 同じ時代を
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.1
  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: 0.547
  additional property: Energy
    type: PropertyValue
    value: 0.742
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.04
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.763
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.661
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

GIRL
type: MusicRecording
duration: PT5M2S
duration ms: 302000
explicit: false
by artist: ASKA
in album: ASKA the BEST Selection 1988-1998
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09803520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T22:09:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958208
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958208
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09803520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T22:40:25Z
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 0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841. Chain 2 (Bitcoin): anchored in block 958208 (2026-07-15T22:40:25Z), 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/JPTO09803520.
  date published: 2026-07-15T22:40:25Z
audio: GIRL
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.527
  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: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.872
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.47
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.298
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.592
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.321
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

止まった時計 - new version
type: MusicRecording
duration: PT5M26S
duration ms: 326266
explicit: false
by artist: ASKA
in album: ASKA the BEST Selection 1988-1998
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09902140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T01:25:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x108845a6dfb82b7c9cd0c964ec5f566fb0d4b756cc60b798b90fd676145646f4
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/JPTO09902140
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 0x108845a6dfb82b7c9cd0c964ec5f566fb0d4b756cc60b798b90fd676145646f4. 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/JPTO09902140.
  date published: 2026-07-04T11:19:20Z
audio: 止まった時計 - new version
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.255
  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: 0.446
  additional property: Energy
    type: PropertyValue
    value: 0.067
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.641
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

ASKA the BEST Selection 1988-1998
type: MusicAlbum
date published: 2001-04-18
track: はじまりはいつも雨
  type: MusicRecording
  duration: PT4M21S
  duration ms: 261840
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPPC09125034
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:59:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956484
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125034
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T10:47:44Z
  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 0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPPC09125034.
    date published: 2026-07-03T10:47:44Z
  audio: はじまりはいつも雨
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.005
    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: 0.535
    additional property: Energy
      type: PropertyValue
      value: 0.563
    additional property: Speechiness
      type: PropertyValue
      value: 0.023
    additional property: Acousticness
      type: PropertyValue
      value: 0.425
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.12
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.421
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.007
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: けれど空は青 ～close friend～
  type: MusicRecording
  duration: PT5M20S
  duration ms: 320000
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPPC09125035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:04:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125035
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/JPPC09125035.
    date published: 2026-07-06T01:25:57Z
  audio: けれど空は青 ～close friend～
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.891
    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: 0.352
    additional property: Energy
      type: PropertyValue
      value: 0.801
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.146
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.128
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.41
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 晴天を誉めるなら夕暮れを待て
  type: MusicRecording
  duration: PT5M46S
  duration ms: 346506
  explicit: false
  by artist: ASKA
  in album: ASKA the BEST Selection 1988-1998
    type: MusicAlbum
    date published: 2001-04-18
  genre: kayokyoku
  isrc code: JPTO09445870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa138a8e0ebfdc13d54decd90eb2784f99535b9f34243159c303b4eecc65184ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959089
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959089
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445870
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 晴天を誉めるなら夕暮れを待て
track: GIRL

OTSTimestamp
type: PropertyValue
value: 2026-07-22T04:09:40Z

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 0xa138a8e0ebfdc13d54decd90eb2784f99535b9f34243159c303b4eecc65184ae. Chain 2 (Bitcoin): anchored in block 959089 (2026-07-22T04:09:40Z), 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/JPTO09445870.
date published: 2026-07-22T04:09:40Z

晴天を誉めるなら夕暮れを待て
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GIRL
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in album: ASKA the BEST Selection 1988-1998
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genre: kayokyoku
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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
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  date published: 2026-07-21T00:27:37Z
audio: GIRL
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kicks
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date published: 2001-04-18
track: In My Circle
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T10:10:09Z
  audio: In My Circle
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track: 馬を下りた王様
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T08:20:01Z
  audio: 馬を下りた王様
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track: 同じ時代を
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  subject of: OpenTimestamps Proof of Existence
  audio: 同じ時代を

OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc399e0d61476b4c0a7377dd6f1b010803d733f3fab85332c117830d1d866961. 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/JPTO09809190.
date published: 2026-07-12T23:17:00Z

同じ時代を
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ONE
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-21T07:04:12Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:12:41Z
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track: バーガーショップで逢いましょう
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  subject of: OpenTimestamps Proof of Existence
  audio: バーガーショップで逢いましょう
track: 僕はすっかり
track: 共謀者
track: 帰宅
track: ブラックマーケット
track: 君が家に帰ったときに
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OTSTimestamp
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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 0x5ef06d7b402ce46c090a10c654b182a7237121a822b0ab1e4420d7cc99415038. 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/JPTO09702120.
date published: 2026-07-03T08:56:35Z

バーガーショップで逢いましょう
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additional property: Acousticness
  type: PropertyValue
  value: 0.51
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.077
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.77
additional property: Loudness (dB)
  type: PropertyValue
  value: -3.173
additional property: Key Name
  type: PropertyValue
  value: Eb
additional property: Mode Name
  type: PropertyValue
  value: Major

僕はすっかり
type: MusicRecording
duration: PT4M41S
duration ms: 281533
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T22:38:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5d3122caf3c6e6162fb10b5c1a5a48aecc0d388ce26ebf12853647d7bed685f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957770
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09702130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T23:17:00Z
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 0xf5d3122caf3c6e6162fb10b5c1a5a48aecc0d388ce26ebf12853647d7bed685f. 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/JPTO09702130.
  date published: 2026-07-12T23:17:00Z
audio: 僕はすっかり
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.913
  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: 0.552
  additional property: Energy
    type: PropertyValue
    value: 0.912
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.43
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.445
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.737
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.331
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

共謀者
type: MusicRecording
duration: PT3M49S
duration ms: 229333
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702140
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:18:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x652c1c1c5d1dd795bdde0f68c10ac918212835e65720e16ff79bbfe2ef721349
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958146
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958146
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09702140
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T10:33:22Z
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 0x652c1c1c5d1dd795bdde0f68c10ac918212835e65720e16ff79bbfe2ef721349. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), 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/JPTO09702140.
  date published: 2026-07-15T10:33:22Z
audio: 共謀者
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.98
  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: 0.499
  additional property: Energy
    type: PropertyValue
    value: 0.841
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.103
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.319
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.752
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.229
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

帰宅
type: MusicRecording
duration: PT3M52S
duration ms: 232066
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T16:52:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46c2d02ff1aa45c456b2fe69a30ec2e0837f895be1b0a95d7c24fcfe55047d5e
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/JPTO09702150
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 0x46c2d02ff1aa45c456b2fe69a30ec2e0837f895be1b0a95d7c24fcfe55047d5e. 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/JPTO09702150.
  date published: 2026-07-04T02:06:47Z
audio: 帰宅
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.095
  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: 0.412
  additional property: Energy
    type: PropertyValue
    value: 0.365
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.368
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.225
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.287
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.587
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

ブラックマーケット
type: MusicRecording
duration: PT4M4S
duration ms: 244600
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T13:45:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7711408bf0e49246939822233792124893c82644dd0ba872da35d272b06e216f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959137
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959137
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09702160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:47:32Z
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 0x7711408bf0e49246939822233792124893c82644dd0ba872da35d272b06e216f. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:47:32Z), 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/JPTO09702160.
  date published: 2026-07-22T16:47:32Z
audio: ブラックマーケット
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.847
  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: 0.562
  additional property: Energy
    type: PropertyValue
    value: 0.911
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.069
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.783
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.466
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

君が家に帰ったときに
type: MusicRecording
duration: PT4M48S
duration ms: 288173
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702170
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T14:12:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f97bf2c1663131b0ab6b138a5c898e0f05c70f85db725aca629e66407b4ee97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958428
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958428
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09702170
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:15:14Z
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 0x5f97bf2c1663131b0ab6b138a5c898e0f05c70f85db725aca629e66407b4ee97. Chain 2 (Bitcoin): anchored in block 958428 (2026-07-17T15:15:14Z), 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/JPTO09702170.
  date published: 2026-07-17T15:15:14Z
audio: 君が家に帰ったときに
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.016
  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: 0.634
  additional property: Energy
    type: PropertyValue
    value: 0.673
  additional property: Speechiness
    type: PropertyValue
    value: 0.024
  additional property: Acousticness
    type: PropertyValue
    value: 0.293
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.442
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.624
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

ID
type: MusicRecording
duration: PT4M48S
duration ms: 288266
explicit: false
by artist: ASKA
in album: ONE
  type: MusicAlbum
  date published: 2001-04-18
genre: kayokyoku
isrc code: JPTO09702180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T22:35:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x729740bda381e59e4c05e72da1206433283be10d0b1b0f42bd1450e785023b67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09702180
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:26:17Z
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 0x729740bda381e59e4c05e72da1206433283be10d0b1b0f42bd1450e785023b67. 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/JPTO09702180.
  date published: 2026-07-06T01:26:17Z
audio: ID
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.858
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.847
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.302
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.793
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.682
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

NEVER END
type: MusicAlbum
date published: 2001-06-20

NEVER END
type: MusicAlbum
date published: 2001-06-20
track: 晴天を誉めるなら夕暮れを待て
  type: MusicRecording
  duration: PT5M47S
  duration ms: 347093
  explicit: false
  by artist: ASKA
  in album: NEVER END
    type: MusicAlbum
    date published: 2001-06-20
  genre: kayokyoku
  isrc code: JPTO09445870
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T06:55:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa138a8e0ebfdc13d54decd90eb2784f99535b9f34243159c303b4eecc65184ae
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445870
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T08:19:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa138a8e0ebfdc13d54decd90eb2784f99535b9f34243159c303b4eecc65184ae. Chain 2 (Bitcoin): anchored in block 958520 (2026-07-18T08:19:09Z), 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/JPTO09445870.
    date published: 2026-07-18T08:19:09Z
  audio: 晴天を誉めるなら夕暮れを待て
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.974
    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: 0.484
    additional property: Energy
      type: PropertyValue
      value: 0.803
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.142
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.233
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.378
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.11
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: NEVER END
  type: MusicRecording
  duration: PT4M46S
  duration ms: 286400
  explicit: false
  by artist: ASKA
  in album: NEVER END
    type: MusicAlbum
    date published: 2001-06-20
  genre: kayokyoku
  isrc code: JPTO09445890
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T07:58:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3815187937ea89d1f05886f6182a9d52a39c35cdbc55f2b8aa2d852aed0da10d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958991
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958991
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445890
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T10:59:20Z
  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 0x3815187937ea89d1f05886f6182a9d52a39c35cdbc55f2b8aa2d852aed0da10d. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T10:59:20Z), 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/JPTO09445890.
    date published: 2026-07-21T10:59:20Z
  audio: NEVER END
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.908
    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: 0.429
    additional property: Energy
      type: PropertyValue
      value: 0.4
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.801
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.026
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.12
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.873
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: you & me
  type: MusicRecording
  duration: PT5M31S
  duration ms: 331640
  explicit: false
  by artist: ASKA
  in album: NEVER END
    type: MusicAlbum
    date published: 2001-06-20
  genre: kayokyoku
  isrc code: JPTO09445900
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T12:35:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa09bbead3b73165143b94306c416d3d448623a0f9e013d1941c2cd920ff6b63b
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: you & me
track: I'm busy
track: どうってことないさ
track: next door
track: オンリーロンリー
track: はるかな国から
track: 君をのせて
track: 月が近づけば少しはましだろう

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445900

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

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 0xa09bbead3b73165143b94306c416d3d448623a0f9e013d1941c2cd920ff6b63b. 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/JPTO09445900.
date published: 2026-07-05T10:01:46Z

you & me
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 77.98
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: 0.513
additional property: Energy
  type: PropertyValue
  value: 0.537
additional property: Speechiness
  type: PropertyValue
  value: 0.025
additional property: Acousticness
  type: PropertyValue
  value: 0.651
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.22
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.289
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.8
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

I'm busy
type: MusicRecording
duration: PT5M53S
duration ms: 353666
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445910
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a8ab56b0eb1c5fe724d9050635b668e580c8121197581d2c1fc22fb1a0d9395
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958853
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958853
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445910
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:23:15Z
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 0x4a8ab56b0eb1c5fe724d9050635b668e580c8121197581d2c1fc22fb1a0d9395. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:23:15Z), 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/JPTO09445910.
  date published: 2026-07-20T11:23:15Z
audio: I'm busy
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.96
  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: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.855
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.31
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.843
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.219
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

どうってことないさ
type: MusicRecording
duration: PT5M32S
duration ms: 332133
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445920
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T04:15:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8cd766823e438c2f49f96577ff97854a9a94395892e593b140dd17772187491
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445920
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:32:48Z
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 0xf8cd766823e438c2f49f96577ff97854a9a94395892e593b140dd17772187491. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), 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/JPTO09445920.
  date published: 2026-07-17T04:32:48Z
audio: どうってことないさ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 201.883
  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: 0.388
  additional property: Energy
    type: PropertyValue
    value: 0.887
  additional property: Speechiness
    type: PropertyValue
    value: 0.088
  additional property: Acousticness
    type: PropertyValue
    value: 0.021
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.303
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.127
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

next door
type: MusicRecording
duration: PT6M21S
duration ms: 381333
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445930
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab09dd0c6426ae5ba69f3f2e1c4e762c99bc20488c159781e9e04121e4b3040e
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/JPTO09445930
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 0xab09dd0c6426ae5ba69f3f2e1c4e762c99bc20488c159781e9e04121e4b3040e. 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/JPTO09445930.
  date published: 2026-07-19T07:14:39Z
audio: next door
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.165
  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: 0.31
  additional property: Energy
    type: PropertyValue
    value: 0.807
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.31
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.345
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.123
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

オンリーロンリー
type: MusicRecording
duration: PT5M10S
duration ms: 310160
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09441630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T11:24:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa11eeebd55d271762f94077ee23b3340b78d76e59e53e3a49a48dcff2646434d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958153
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958153
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09441630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T14:25:38Z
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 0xa11eeebd55d271762f94077ee23b3340b78d76e59e53e3a49a48dcff2646434d. Chain 2 (Bitcoin): anchored in block 958153 (2026-07-15T14:25:38Z), 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/JPTO09441630.
  date published: 2026-07-15T14:25:38Z
audio: オンリーロンリー
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 172.093
  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: 0.454
  additional property: Energy
    type: PropertyValue
    value: 0.578
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.166
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.635
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

はるかな国から
type: MusicRecording
duration: PT5M47S
duration ms: 347040
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445940
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T05:21:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98e1de24527f9510538af095924119545332798efe8df4910b73661175509b88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958110
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/JPTO09445940
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 0x98e1de24527f9510538af095924119545332798efe8df4910b73661175509b88. 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/JPTO09445940.
  date published: 2026-07-15T06:57:12Z
audio: はるかな国から
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.96
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.573
  additional property: Energy
    type: PropertyValue
    value: 0.821
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.195
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.86
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.085
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

君をのせて
type: MusicRecording
duration: PT4M37S
duration ms: 277960
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445950
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T05:12:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8543a379d53c8ccd7302d4a3987c691bf4397a139a81c3e4bcf91e9ec5af8faf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958975
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958975
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445950
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T06:12:52Z
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 0x8543a379d53c8ccd7302d4a3987c691bf4397a139a81c3e4bcf91e9ec5af8faf. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T06:12:52Z), 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/JPTO09445950.
  date published: 2026-07-21T06:12:52Z
audio: 君をのせて
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.605
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.534
  additional property: Energy
    type: PropertyValue
    value: 0.546
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.388
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.041
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.377
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.613
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

月が近づけば少しはましだろう
type: MusicRecording
duration: PT6M30S
duration ms: 390200
explicit: false
by artist: ASKA
in album: NEVER END
  type: MusicAlbum
  date published: 2001-06-20
genre: kayokyoku
isrc code: JPTO09445960
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T12:31:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5413322ef3af71e2ecbb4cffdfbd587c753c015154c783729e1f1f58a9737317
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/JPTO09445960
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 0x5413322ef3af71e2ecbb4cffdfbd587c753c015154c783729e1f1f58a9737317. 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/JPTO09445960.
  date published: 2026-07-03T21:18:05Z
audio: 月が近づけば少しはましだろう
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.023
  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: 0.465
  additional property: Energy
    type: PropertyValue
    value: 0.722
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.358
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.038
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENEⅡ
type: MusicAlbum
date published: 2001-07-18

SCENEⅡ
type: MusicAlbum
date published: 2001-07-18
track: はじまりはいつも雨
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263400
  explicit: false
  by artist: ASKA
  in album: SCENEⅡ
    type: MusicAlbum
    date published: 2001-07-18
  genre: kayokyoku
  isrc code: JPPC09125034
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:59:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3
  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/JPPC09125034
  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 0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3. 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/JPPC09125034.
    date published: 2026-07-03T08:56:35Z
  audio: はじまりはいつも雨
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.995
    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: 0.587
    additional property: Energy
      type: PropertyValue
      value: 0.49
    additional property: Speechiness
      type: PropertyValue
      value: 0.024
    additional property: Acousticness
      type: PropertyValue
      value: 0.542
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.091
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.256
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.752
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: けれど空は青～close friend～
  type: MusicRecording
  duration: PT5M20S
  duration ms: 320760
  explicit: false
  by artist: ASKA
  in album: SCENEⅡ
    type: MusicAlbum
    date published: 2001-07-18
  genre: kayokyoku
  isrc code: JPPC09125035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:04:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125035
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  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 0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/JPPC09125035.
    date published: 2026-07-03T09:04:44Z
  audio: けれど空は青～close friend～
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.041
    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: 0.472
    additional property: Energy
      type: PropertyValue
      value: 0.637
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.137
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.073
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.151
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.499
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Love is alive
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345600
  explicit: false
  by artist: ASKA
  in album: SCENEⅡ
    type: MusicAlbum
    date published: 2001-07-18
  genre: kayokyoku
  isrc code: JPPC09125036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:36:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Love is alive
track: 恋
track: 都会の空
track: 風の住む町
track: PLEASE
track: 君が愛を語れ
track: 止まった時計

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125036

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:59:37Z

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 0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5. 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/JPPC09125036.
date published: 2026-07-05T10:59:37Z

Love is alive
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 70.981
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: 0.472
additional property: Energy
  type: PropertyValue
  value: 0.429
additional property: Speechiness
  type: PropertyValue
  value: 0.026
additional property: Acousticness
  type: PropertyValue
  value: 0.703
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.206
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.177
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.134
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

恋
type: MusicRecording
duration: PT6M0S
duration ms: 360840
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T05:34:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a7caf068e1fd6f0115db2fe837baaaeb96f71eeb46b487b3bf0c20d3755f765
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959103
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959103
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125038
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:35:53Z
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 0x7a7caf068e1fd6f0115db2fe837baaaeb96f71eeb46b487b3bf0c20d3755f765. Chain 2 (Bitcoin): anchored in block 959103 (2026-07-22T08:35:53Z), 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/JPPC09125038.
  date published: 2026-07-22T08:35:53Z
audio: 恋
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.345
  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: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.241
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.84
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.441
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.947
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

都会の空
type: MusicRecording
duration: PT5M21S
duration ms: 321200
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T16:50:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ac2069a1366cb9557b64c87d643bf6e85178fb8fd9cbaf16bdae697ab2f0129
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/JPPC09125039
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 0x3ac2069a1366cb9557b64c87d643bf6e85178fb8fd9cbaf16bdae697ab2f0129. 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/JPPC09125039.
  date published: 2026-07-05T19:27:56Z
audio: 都会の空
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.755
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.346
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.667
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.968
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

風の住む町
type: MusicRecording
duration: PT6M17S
duration ms: 377893
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T06:02:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4a28483677d802284c7922cf85e4c17e7038f78fa355cdd7f179f7c3051a9c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958681
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958681
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T06:14:54Z
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 0xc4a28483677d802284c7922cf85e4c17e7038f78fa355cdd7f179f7c3051a9c6. Chain 2 (Bitcoin): anchored in block 958681 (2026-07-19T06:14:54Z), 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/JPPC09125040.
  date published: 2026-07-19T06:14:54Z
audio: 風の住む町
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.01
  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: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.547
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.562
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.005
  additional property: Liveness
    type: PropertyValue
    value: 0.228
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.294
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.846
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

PLEASE
type: MusicRecording
duration: PT6M1S
duration ms: 361466
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T10:26:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x973598ee45a777510150b58b40c426910192647005bc7e9cfbd40ecf28f44da5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958996
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958996
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T13:30:13Z
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 0x973598ee45a777510150b58b40c426910192647005bc7e9cfbd40ecf28f44da5. Chain 2 (Bitcoin): anchored in block 958996 (2026-07-21T13:30:13Z), 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/JPPC09125041.
  date published: 2026-07-21T13:30:13Z
audio: PLEASE
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.278
  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: 0.163
  additional property: Energy
    type: PropertyValue
    value: 0.364
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.585
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.292
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.211
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

君が愛を語れ
type: MusicRecording
duration: PT5M41S
duration ms: 341773
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:36:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327
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/JPPC09125042
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 0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327. 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/JPPC09125042.
  date published: 2026-07-05T10:01:46Z
audio: 君が愛を語れ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.227
  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: 0.546
  additional property: Energy
    type: PropertyValue
    value: 0.525
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.292
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.368
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.142
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.643
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

止まった時計
type: MusicRecording
duration: PT7M57S
duration ms: 477666
explicit: false
by artist: ASKA
in album: SCENEⅡ
  type: MusicAlbum
  date published: 2001-07-18
genre: kayokyoku
isrc code: JPPC09125043
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T04:06:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a30532e83a71070a5d7986d47cd60cbd9235d00ded1b7bcff55b3602cfe1b10
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/JPPC09125043
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 0x2a30532e83a71070a5d7986d47cd60cbd9235d00ded1b7bcff55b3602cfe1b10. 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/JPPC09125043.
  date published: 2026-07-03T08:56:35Z
audio: 止まった時計
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 69.593
  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: 0.108
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.738
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.218
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.054
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENE
type: MusicAlbum
date published: 2001-08-22
track: 伝わりますか
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279133
  explicit: false
  by artist: ASKA
  in album: SCENE
    type: MusicAlbum
    date published: 2001-08-22
  genre: kayokyoku
  isrc code: JPPC08807079
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:55:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x50458cfe9d42d81af0004dfd25452ad5660eb0961d7e97aee910534f6fb89d7a
  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/JPPC08807079
  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 0x50458cfe9d42d81af0004dfd25452ad5660eb0961d7e97aee910534f6fb89d7a. 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/JPPC08807079.
    date published: 2026-07-03T00:42:11Z
  audio: 伝わりますか
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 78.939
    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: 0.469
    additional property: Energy
      type: PropertyValue
      value: 0.36
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.418
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.153
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.341
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.178
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 蘇州夜曲
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285533
  explicit: false
  by artist: ASKA
  in album: SCENE
    type: MusicAlbum
    date published: 2001-08-22
  genre: kayokyoku
  isrc code: JPPC08807080
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T08:17:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8a73214c7df8120bafdde18c7523fc2a844def9d482bda5f668b730cf6342aa8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958991
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958991
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807080
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T11:20:04Z
  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 0x8a73214c7df8120bafdde18c7523fc2a844def9d482bda5f668b730cf6342aa8. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:20:04Z), 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/JPPC08807080.
    date published: 2026-07-21T11:20:04Z
  audio: 蘇州夜曲
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.134
    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: 0.273
    additional property: Energy
      type: PropertyValue
      value: 0.357
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.41
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.012
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.073
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.31
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 予感
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249333
  explicit: false
  by artist: ASKA
  in album: SCENE
    type: MusicAlbum
    date published: 2001-08-22
  genre: kayokyoku
  isrc code: JPPC08807081
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T06:21:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe5bb44886f44321f6a0a78c4e362f1e71bc0e4b0f90acefa2ae5896353da13f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956484
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956484
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 予感
track: MY Mr.LONELY HEART
track: 夢はるか
track: SCENE
track: ふたり
track: 今でも
track: 最後の場面
track: MIDNIGHT 2 CALL

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807081

OTSTimestamp
type: PropertyValue
value: 2026-07-03T10:47:44Z

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 0xe5bb44886f44321f6a0a78c4e362f1e71bc0e4b0f90acefa2ae5896353da13f6. Chain 2 (Bitcoin): anchored in block 956484 (2026-07-03T10:47:44Z), 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/JPPC08807081.
date published: 2026-07-03T10:47:44Z

予感
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 155.881
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: 0.461
additional property: Energy
  type: PropertyValue
  value: 0.453
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.019
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.191
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.358
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.049
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

MY Mr.LONELY HEART
type: MusicRecording
duration: PT4M40S
duration ms: 280226
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08710026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T00:00:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeebb062f0e1f84fc04d4f5ef62ca4d7368e686ec0ed77e18be03ea409c377005
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/JPPC08710026
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 0xeebb062f0e1f84fc04d4f5ef62ca4d7368e686ec0ed77e18be03ea409c377005. 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/JPPC08710026.
  date published: 2026-07-19T07:14:39Z
audio: MY Mr.LONELY HEART
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.975
  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: 0.478
  additional property: Energy
    type: PropertyValue
    value: 0.45
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.376
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.144
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.078
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

夢はるか
type: MusicRecording
duration: PT4M58S
duration ms: 298466
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T07:07:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22f7d0ccc3aa96fc2a9d761f6d173817664ad10c0760723de362fb0db6470d0c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958985
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958985
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T08:39:15Z
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 0x22f7d0ccc3aa96fc2a9d761f6d173817664ad10c0760723de362fb0db6470d0c. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/JPPC08807083.
  date published: 2026-07-21T08:39:15Z
audio: 夢はるか
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 83.01
  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: 0.57
  additional property: Energy
    type: PropertyValue
    value: 0.542
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.423
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.176
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.603
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.674
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENE
type: MusicRecording
duration: PT4M21S
duration ms: 261200
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T23:15:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93e96f3be07f0a395e404b577a1a38d38666d01ee973d1c20661e88491843049
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959076
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959076
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T23:41:40Z
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 0x93e96f3be07f0a395e404b577a1a38d38666d01ee973d1c20661e88491843049. Chain 2 (Bitcoin): anchored in block 959076 (2026-07-21T23:41:40Z), 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/JPPC08807084.
  date published: 2026-07-21T23:41:40Z
audio: SCENE
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.896
  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: 0.521
  additional property: Energy
    type: PropertyValue
    value: 0.207
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.923
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.398
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.922
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

ふたり
type: MusicRecording
duration: PT5M4S
duration ms: 304066
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T17:39:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc38101c57dbc90bc0ae4f473935166cc59d3c98593f05e1545ce455c0935e64
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958180
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958180
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T20:41:11Z
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 0xbc38101c57dbc90bc0ae4f473935166cc59d3c98593f05e1545ce455c0935e64. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:41:11Z), 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/JPPC08807085.
  date published: 2026-07-15T20:41:11Z
audio: ふたり
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.705
  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: 0.276
  additional property: Energy
    type: PropertyValue
    value: 0.392
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.643
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.163
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.465
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

今でも
type: MusicRecording
duration: PT4M13S
duration ms: 253733
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807086
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T12:07:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53b11a2ec435539f862a159a28991d367263d196e2cb1ab419c01f78d966ffe7
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/JPPC08807086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T15:07:59Z
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 0x53b11a2ec435539f862a159a28991d367263d196e2cb1ab419c01f78d966ffe7. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T15:07:59Z), 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/JPPC08807086.
  date published: 2026-07-15T15:07:59Z
audio: 今でも
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.422
  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: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.33
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.685
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.966
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

最後の場面
type: MusicRecording
duration: PT4M52S
duration ms: 292600
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:33:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17a7823d6efc1a57a72ed948436b9879e47ab6ac2133e91bc8468b6713df6268
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956748
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956748
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T05:55:59Z
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 0x17a7823d6efc1a57a72ed948436b9879e47ab6ac2133e91bc8468b6713df6268. Chain 2 (Bitcoin): anchored in block 956748 (2026-07-05T05:55:59Z), 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/JPPC08807087.
  date published: 2026-07-05T05:55:59Z
audio: 最後の場面
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 72.883
  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: 0.41
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.543
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.641
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

MIDNIGHT 2 CALL
type: MusicRecording
duration: PT4M32S
duration ms: 272200
explicit: false
by artist: ASKA
in album: SCENE
  type: MusicAlbum
  date published: 2001-08-22
genre: kayokyoku
isrc code: JPPC08807088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4885659e3ac0db164905d508647ad129b0ebcb5ee65600b3d71aaac577412ec2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959114
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959114
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC08807088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:41:42Z
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 0x4885659e3ac0db164905d508647ad129b0ebcb5ee65600b3d71aaac577412ec2. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T08:41:42Z), 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/JPPC08807088.
  date published: 2026-07-22T08:41:42Z
audio: MIDNIGHT 2 CALL
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.4
  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: 0.467
  additional property: Energy
    type: PropertyValue
    value: 0.338
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.494
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.065
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.861
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

SCENE
type: MusicAlbum
date published: 2001-08-22

心に花の咲く方へ
type: MusicAlbum
date published: 2003-12-17

SCENE III
type: MusicAlbum
date published: 2005-11-23
track: birth
  type: MusicRecording
  duration: PT5M38S
  duration ms: 338373
  explicit: false
  by artist: ASKA
  in album: SCENE III
    type: MusicAlbum
    date published: 2005-11-23
  genre: kayokyoku
  isrc code: JPPO00523310
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:01:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3cb1721e0f4b1b9a900077fbc10bff060e02ec24ab173cf1d0654e31af2832ff
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00523310
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T04:04:08Z
  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 0x3cb1721e0f4b1b9a900077fbc10bff060e02ec24ab173cf1d0654e31af2832ff. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), 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/JPPO00523310.
    date published: 2026-07-19T04:04:08Z
  audio: birth
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.01
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.412
    additional property: Energy
      type: PropertyValue
      value: 0.67
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.14
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.166
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.211
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: 愛温計
  type: MusicRecording
  duration: PT4M12S
  duration ms: 252733
  explicit: false
  by artist: ASKA
  in album: SCENE III
    type: MusicAlbum
    date published: 2005-11-23
  genre: kayokyoku
  isrc code: JPPO00523330
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T17:36:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd1a29202b9b2cd61f5a1c94004eec45b3209ceea785f04d9c96dfe3285da91fb
  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/JPPO00523330
  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 0xd1a29202b9b2cd61f5a1c94004eec45b3209ceea785f04d9c96dfe3285da91fb. 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/JPPO00523330.
    date published: 2026-07-03T23:28:02Z
  audio: 愛温計
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.728
    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: 0.464
    additional property: Energy
      type: PropertyValue
      value: 0.425
    additional property: Speechiness
      type: PropertyValue
      value: 0.025
    additional property: Acousticness
      type: PropertyValue
      value: 0.749
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.29
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.226
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.638
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 心に花の咲く方へ
  type: MusicRecording
  duration: PT5M55S
  duration ms: 355320
  explicit: false
  by artist: ASKA
  in album: SCENE III
    type: MusicAlbum
    date published: 2005-11-23
  genre: kayokyoku
  isrc code: JPPO00523350
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:11:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c044cb37d152457e4fabd9e09900cfa73fce237ad6ca858dd0f843a5a100096
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 心に花の咲く方へ

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00523350

OTSTimestamp
type: PropertyValue
value: 2026-07-05T18:48:28Z

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 0x7c044cb37d152457e4fabd9e09900cfa73fce237ad6ca858dd0f843a5a100096. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/JPPO00523350.
date published: 2026-07-05T18:48:28Z

心に花の咲く方へ
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 139.777
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: 0.384
additional property: Energy
  type: PropertyValue
  value: 0.393
additional property: Speechiness
  type: PropertyValue
  value: 0.032
additional property: Acousticness
  type: PropertyValue
  value: 0.918
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.273
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.134
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.756
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

UNI-VERSE
type: MusicAlbum
date published: 2008-10-01

あなたが泣くことはない
type: MusicAlbum
date published: 2009-02-25

STANDARD
type: MusicAlbum
date published: 2009-11-25

12
type: MusicAlbum
date published: 2010-02-10
track: WALK
  type: MusicRecording
  duration: PT6M26S
  duration ms: 386306
  explicit: false
  by artist: ASKA
  in album: 12
    type: MusicAlbum
    date published: 2010-02-10
  genre: kayokyoku
  isrc code: JPPO01013510
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T12:43:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x205b71e133b5d7bd85b374b102a08fe59bf9e8f94f165855caa36c4bdbdb0927
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958885
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958885
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01013510
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T15:44:37Z
  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 0x205b71e133b5d7bd85b374b102a08fe59bf9e8f94f165855caa36c4bdbdb0927. Chain 2 (Bitcoin): anchored in block 958885 (2026-07-20T15:44:37Z), 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/JPPO01013510.
    date published: 2026-07-20T15:44:37Z
  audio: WALK
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.984
    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: 0.568
    additional property: Energy
      type: PropertyValue
      value: 0.812
    additional property: Speechiness
      type: PropertyValue
      value: 0.068
    additional property: Acousticness
      type: PropertyValue
      value: 0.016
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.128
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.315
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.144
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: PRIDE
  type: MusicRecording
  duration: PT5M39S
  duration ms: 339133
  explicit: false
  by artist: ASKA
  in album: 12
    type: MusicAlbum
    date published: 2010-02-10
  genre: kayokyoku
  isrc code: JPPO01013520
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T17:48:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc1ff18036028a43e667665c9925fb903a712684dc84cfbf297d5619b95e0eab2
  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/JPPO01013520
  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 0xc1ff18036028a43e667665c9925fb903a712684dc84cfbf297d5619b95e0eab2. 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/JPPO01013520.
    date published: 2026-07-05T19:27:56Z
  audio: PRIDE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.554
    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: 0.399
    additional property: Energy
      type: PropertyValue
      value: 0.577
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.43
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.111
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.099
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.076
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 伝わりますか
  type: MusicRecording
  duration: PT5M6S
  duration ms: 306600
  explicit: false
  by artist: ASKA
  in album: 12
    type: MusicAlbum
    date published: 2010-02-10
  genre: kayokyoku
  isrc code: JPPO01013540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T17:00:49+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x07ac3e02a3ad2e506fd3ce88ed43f17d9c890e3f66b66a84ad1623bf3a2e8058
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959047
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959047
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 伝わりますか
track: 月が近づけば少しはましだろう
track: DO YA DO
track: 天気予報の恋人

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01013540

OTSTimestamp
type: PropertyValue
value: 2026-07-21T19:17:28Z

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 0x07ac3e02a3ad2e506fd3ce88ed43f17d9c890e3f66b66a84ad1623bf3a2e8058. Chain 2 (Bitcoin): anchored in block 959047 (2026-07-21T19:17:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01013540.
date published: 2026-07-21T19:17:28Z

伝わりますか
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 139.463
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: 0.495
additional property: Energy
  type: PropertyValue
  value: 0.155
additional property: Speechiness
  type: PropertyValue
  value: 0.034
additional property: Acousticness
  type: PropertyValue
  value: 0.952
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.109
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.305
additional property: Loudness (dB)
  type: PropertyValue
  value: -11.502
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

月が近づけば少しはましだろう
type: MusicRecording
duration: PT7M18S
duration ms: 438626
explicit: false
by artist: ASKA
in album: 12
  type: MusicAlbum
  date published: 2010-02-10
genre: kayokyoku
isrc code: JPPO01013550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T21:23:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23c5b030249ce1bb022f1b607daaf9d193201d6d456d18d4c41f7eba417097b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01013550
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T00:26:13Z
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 0x23c5b030249ce1bb022f1b607daaf9d193201d6d456d18d4c41f7eba417097b4. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-22T00:26:13Z), 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/JPPO01013550.
  date published: 2026-07-22T00:26:13Z
audio: 月が近づけば少しはましだろう
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.617
  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: 0.43
  additional property: Energy
    type: PropertyValue
    value: 0.585
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.68
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.805
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

DO YA DO
type: MusicRecording
duration: PT5M22S
duration ms: 322466
explicit: false
by artist: ASKA
in album: 12
  type: MusicAlbum
  date published: 2010-02-10
genre: kayokyoku
isrc code: JPPO01013560
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T18:27:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x488ead1e87a6ca383a61684116ee16b3557fcdd7af221337fab7c4fa60338f3e
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/JPPO01013560
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 0x488ead1e87a6ca383a61684116ee16b3557fcdd7af221337fab7c4fa60338f3e. 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/JPPO01013560.
  date published: 2026-07-05T19:27:56Z
audio: DO YA DO
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.029
  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: 0.673
  additional property: Energy
    type: PropertyValue
    value: 0.92
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.006
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.267
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.555
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.607
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

天気予報の恋人
type: MusicRecording
duration: PT4M47S
duration ms: 287746
explicit: false
by artist: ASKA
in album: 12
  type: MusicAlbum
  date published: 2010-02-10
genre: kayokyoku
isrc code: JPPO01013570
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T03:54:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x04cdb6f1dbdcda8392a4a484bf8739b68bc2c6ee561943da1544e7fba400e459
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958965
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958965
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01013570
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T04:29:05Z
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 0x04cdb6f1dbdcda8392a4a484bf8739b68bc2c6ee561943da1544e7fba400e459. Chain 2 (Bitcoin): anchored in block 958965 (2026-07-21T04:29:05Z), 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/JPPO01013570.
  date published: 2026-07-21T04:29:05Z
audio: 天気予報の恋人
  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: 0.624
  additional property: Energy
    type: PropertyValue
    value: 0.835
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.003
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.795
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.788
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

１２
type: MusicAlbum
date published: 2010-02-10

君の知らない君の歌
type: MusicAlbum
date published: 2010-11-03
track: めぐり逢い
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314960
  explicit: false
  by artist: ASKA
  in album: 君の知らない君の歌
    type: MusicAlbum
    date published: 2010-11-03
  genre: kayokyoku
  isrc code: JPPO01081200
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T00:30:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8c283a6606ebd06378ad4d8387272900307a06a939e47b55e7f7b78606c6000d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956422
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956422
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01081200
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T01:01:38Z
  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 0x8c283a6606ebd06378ad4d8387272900307a06a939e47b55e7f7b78606c6000d. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/JPPO01081200.
    date published: 2026-07-03T01:01:38Z
  audio: めぐり逢い
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.994
    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: 0.537
    additional property: Energy
      type: PropertyValue
      value: 0.874
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.005
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.294
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.656
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.812
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

BOOKEND
type: MusicAlbum
date published: 2011-12-07

BOOKEND
type: MusicAlbum
date published: 2011-12-07

SCRAMBLE
type: MusicAlbum
date published: 2012-10-17

SCRAMBLE
type: MusicAlbum
date published: 2012-10-17
track: いろんな人が歌ってきたように
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256173
  explicit: false
  by artist: ASKA
  in album: SCRAMBLE
    type: MusicAlbum
    date published: 2012-10-17
  genre: kayokyoku
  isrc code: JPZ921210736
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T23:10:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e4765bd5691068d46c6329f496a4a2e8b6fa2bf66c9ef6fe17fac58c96d5f7f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958945
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958945
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921210736
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T02:09:54Z
  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 0x9e4765bd5691068d46c6329f496a4a2e8b6fa2bf66c9ef6fe17fac58c96d5f7f. Chain 2 (Bitcoin): anchored in block 958945 (2026-07-21T02:09:54Z), 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/JPZ921210736.
    date published: 2026-07-21T02:09:54Z
  audio: いろんな人が歌ってきたように
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.712
    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: 0.402
    additional property: Energy
      type: PropertyValue
      value: 0.695
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.205
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.081
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.275
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.069
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: SCRAMBLE
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226160
  explicit: false
  by artist: ASKA
  in album: SCRAMBLE
    type: MusicAlbum
    date published: 2012-10-17
  genre: kayokyoku
  isrc code: JPZ921210740
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T17:09:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d418167c5548f584762e9e658d0d813c15cd49ecf483f5374f081d3ef58442d
  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/JPZ921210740
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:09:56Z
  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 0x5d418167c5548f584762e9e658d0d813c15cd49ecf483f5374f081d3ef58442d. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T20:09:56Z), 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/JPZ921210740.
    date published: 2026-07-15T20:09:56Z
  audio: SCRAMBLE
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.01
    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: 0.572
    additional property: Energy
      type: PropertyValue
      value: 0.919
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.017
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.13
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.666
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.426
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Made in ASKA
type: MusicAlbum
date published: 2018-10-17
track: MIDNIGHT 2 CALL
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280613
  explicit: false
  by artist: ASKA
  in album: Made in ASKA
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPPO01081240
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T07:23:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x10bdefa2979dba6893eebe790c859e6a46e383100d7fe952cc5a25c0e92a4039
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959114
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959114
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO01081240
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T10:25:38Z
  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 0x10bdefa2979dba6893eebe790c859e6a46e383100d7fe952cc5a25c0e92a4039. Chain 2 (Bitcoin): anchored in block 959114 (2026-07-22T10:25:38Z), 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/JPPO01081240.
    date published: 2026-07-22T10:25:38Z
  audio: MIDNIGHT 2 CALL
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.737
    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: 0.399
    additional property: Energy
      type: PropertyValue
      value: 0.418
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.555
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.231
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.168
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.855
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Love is alive
  type: MusicRecording
  duration: PT5M46S
  duration ms: 346146
  explicit: false
  by artist: ASKA
  in album: Made in ASKA
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPPC09125036
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T01:36:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956891
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125036
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:16:32Z
  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 0xa221e80e34dc9177d0686713b379324cfacebeea5682643c207349f58887e1c5. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPPC09125036.
    date published: 2026-07-06T07:16:32Z
  audio: Love is alive
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 70.964
    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: 0.461
    additional property: Energy
      type: PropertyValue
      value: 0.565
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.713
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.256
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.182
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.495
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: I’m busy
  type: MusicRecording
  duration: PT5M55S
  duration ms: 355613
  explicit: false
  by artist: ASKA
  in album: Made in ASKA
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPTO09445910
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T00:33:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4a8ab56b0eb1c5fe724d9050635b668e580c8121197581d2c1fc22fb1a0d9395
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958095
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958095
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I’m busy
track: you & me
track: はるかな国から
track: ID
track: Now
track: UNI-VERSE
track: いろんな人が歌ってきたように
track: FUKUOKA

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445910

OTSTimestamp
type: PropertyValue
value: 2026-07-15T04:30:08Z

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 0x4a8ab56b0eb1c5fe724d9050635b668e580c8121197581d2c1fc22fb1a0d9395. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/JPTO09445910.
date published: 2026-07-15T04:30:08Z

I’m busy
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 103.96
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: 0.633
additional property: Energy
  type: PropertyValue
  value: 0.874
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.305
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.112
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.856
additional property: Loudness (dB)
  type: PropertyValue
  value: -5.435
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Major

you & me
type: MusicRecording
duration: PT5M32S
duration ms: 332133
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09445900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T12:35:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa09bbead3b73165143b94306c416d3d448623a0f9e013d1941c2cd920ff6b63b
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/JPTO09445900
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 0xa09bbead3b73165143b94306c416d3d448623a0f9e013d1941c2cd920ff6b63b. 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/JPTO09445900.
  date published: 2026-07-03T21:18:05Z
audio: you & me
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.955
  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: 0.507
  additional property: Energy
    type: PropertyValue
    value: 0.55
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.669
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.217
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.289
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.384
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

はるかな国から
type: MusicRecording
duration: PT5M46S
duration ms: 346040
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09445940
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98e1de24527f9510538af095924119545332798efe8df4910b73661175509b88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958951
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958951
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445940
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T04:03:14Z
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 0x98e1de24527f9510538af095924119545332798efe8df4910b73661175509b88. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T04:03:14Z), 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/JPTO09445940.
  date published: 2026-07-21T04:03:14Z
audio: はるかな国から
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.999
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.573
  additional property: Energy
    type: PropertyValue
    value: 0.856
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.189
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.128
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.832
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.797
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

ID
type: MusicRecording
duration: PT4M49S
duration ms: 289626
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09639040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeff18826870d89a795be254dc786e02b3f9b9a92d9ff3828f8cea4d89de46345
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959088
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959088
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09639040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T03:42:44Z
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 0xeff18826870d89a795be254dc786e02b3f9b9a92d9ff3828f8cea4d89de46345. Chain 2 (Bitcoin): anchored in block 959088 (2026-07-22T03:42:44Z), 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/JPTO09639040.
  date published: 2026-07-22T03:42:44Z
audio: ID
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.845
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.854
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.303
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.786
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.524
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Now
type: MusicRecording
duration: PT4M46S
duration ms: 286453
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09809150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T18:34:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb026381b0a97384c6acb713e91bdad328b5db5714b3c9bf9bc776f56bc5464db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958196
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958196
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09809150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T21:37:05Z
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 0xb026381b0a97384c6acb713e91bdad328b5db5714b3c9bf9bc776f56bc5464db. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T21:37:05Z), 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/JPTO09809150.
  date published: 2026-07-15T21:37:05Z
audio: Now
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.213
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.929
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.422
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.108
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

UNI-VERSE
type: MusicRecording
duration: PT5M27S
duration ms: 327706
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPPO00857870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T02:39:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x40ee62ecc6e91847ce3c127b5ed6a66c5cc4153ca7a12915a420ee46294be2d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959096
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959096
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPO00857870
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T03:48:36Z
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 0x40ee62ecc6e91847ce3c127b5ed6a66c5cc4153ca7a12915a420ee46294be2d3. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T03:48:36Z), 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/JPPO00857870.
  date published: 2026-07-22T03:48:36Z
audio: UNI-VERSE
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 174.093
  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: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.774
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.282
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.345
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.758
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

いろんな人が歌ってきたように
type: MusicRecording
duration: PT4M18S
duration ms: 258600
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPZ921210736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9e4765bd5691068d46c6329f496a4a2e8b6fa2bf66c9ef6fe17fac58c96d5f7f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958975
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958975
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921210736
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T08:30:58Z
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 0x9e4765bd5691068d46c6329f496a4a2e8b6fa2bf66c9ef6fe17fac58c96d5f7f. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:30:58Z), 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/JPZ921210736.
  date published: 2026-07-21T08:30:58Z
audio: いろんな人が歌ってきたように
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.005
  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: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.703
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.205
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.18
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

FUKUOKA
type: MusicRecording
duration: PT4M40S
duration ms: 280786
explicit: false
by artist: ASKA
in album: Made in ASKA
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPT201800282
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T06:27:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe890e09036a245a42c6908e09cd05ae473e90abe9e5602fd71bc5d2080a1646e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800282
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T13:55:21Z
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 0xe890e09036a245a42c6908e09cd05ae473e90abe9e5602fd71bc5d2080a1646e. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), 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/JPT201800282.
  date published: 2026-07-03T13:55:21Z
audio: FUKUOKA
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.096
  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: 0.554
  additional property: Energy
    type: PropertyValue
    value: 0.206
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.933
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.017
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.137
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.51
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Made in ASKA
type: MusicAlbum
date published: 2018-10-17

We are the Fellows
type: MusicAlbum
date published: 2018-10-17
track: けれど空は青 ～close friend～
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322520
  explicit: false
  by artist: ASKA
  in album: We are the Fellows
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPPC09125035
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T04:04:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1
  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/JPPC09125035
  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 0x66351efecebaad81e4c0595102c28a2299fb3e58e699938aef6db8f34cf143f1. 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/JPPC09125035.
    date published: 2026-07-05T01:12:41Z
  audio: けれど空は青 ～close friend～
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 167.93
    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: 0.383
    additional property: Energy
      type: PropertyValue
      value: 0.739
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.147
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.072
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.152
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.309
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 月が近づけば少しはましだろう
  type: MusicRecording
  duration: PT6M32S
  duration ms: 392746
  explicit: false
  by artist: ASKA
  in album: We are the Fellows
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPTO09445960
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T12:31:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5413322ef3af71e2ecbb4cffdfbd587c753c015154c783729e1f1f58a9737317
  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/JPTO09445960
  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 0x5413322ef3af71e2ecbb4cffdfbd587c753c015154c783729e1f1f58a9737317. 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/JPTO09445960.
    date published: 2026-07-05T10:01:46Z
  audio: 月が近づけば少しはましだろう
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.969
    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: 0.455
    additional property: Energy
      type: PropertyValue
      value: 0.687
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.36
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.16
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.124
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.735
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: はじまりはいつも雨
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268640
  explicit: false
  by artist: ASKA
  in album: We are the Fellows
    type: MusicAlbum
    date published: 2018-10-17
  genre: kayokyoku
  isrc code: JPPC09125034
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:59:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: はじまりはいつも雨
track: 晴天を誉めるなら夕暮れを待て
track: 君が愛を語れ
track: 伝わりますか
track: 同じ時代を
track: next door
track: Girl
track: HELLO
track: と、いう話さ
track: しゃぼん

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125034

OTSTimestamp
type: PropertyValue
value: 2026-07-03T23:28:02Z

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 0xa1f1e993011bea8370fa183e07abc0bae633efc3ad4955b43c45f903410ab5a3. 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/JPPC09125034.
date published: 2026-07-03T23:28:02Z

はじまりはいつも雨
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 90.033
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: 0.555
additional property: Energy
  type: PropertyValue
  value: 0.565
additional property: Speechiness
  type: PropertyValue
  value: 0.022
additional property: Acousticness
  type: PropertyValue
  value: 0.535
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.114
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.421
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.107
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

晴天を誉めるなら夕暮れを待て
type: MusicRecording
duration: PT5M15S
duration ms: 315106
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09441620
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T05:40:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a3c525088439f22117066a057277acd38e674174fa3858e5fc67ef57a37a175
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958110
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/JPTO09441620
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 0x6a3c525088439f22117066a057277acd38e674174fa3858e5fc67ef57a37a175. 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/JPTO09441620.
  date published: 2026-07-15T06:57:12Z
audio: 晴天を誉めるなら夕暮れを待て
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.015
  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: 0.501
  additional property: Energy
    type: PropertyValue
    value: 0.852
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.115
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.246
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.496
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.785
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

君が愛を語れ
type: MusicRecording
duration: PT5M33S
duration ms: 333053
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPPC09125042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T01:36:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPPC09125042
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0xf982984dd7d8f9c9874223dab068545cdbe9d36f10a37e87168f251fc2697327. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPPC09125042.
  date published: 2026-07-06T07:16:32Z
audio: 君が愛を語れ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.098
  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: 0.575
  additional property: Energy
    type: PropertyValue
    value: 0.578
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.653
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.592
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.941
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

伝わりますか
type: MusicRecording
duration: PT4M38S
duration ms: 278066
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPPC08807079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:55:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x50458cfe9d42d81af0004dfd25452ad5660eb0961d7e97aee910534f6fb89d7a
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/JPPC08807079
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 0x50458cfe9d42d81af0004dfd25452ad5660eb0961d7e97aee910534f6fb89d7a. 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/JPPC08807079.
  date published: 2026-07-05T10:01:46Z
audio: 伝わりますか
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.839
  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: 0.464
  additional property: Energy
    type: PropertyValue
    value: 0.444
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.378
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.381
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.971
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

同じ時代を
type: MusicRecording
duration: PT4M3S
duration ms: 243400
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09809190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc399e0d61476b4c0a7377dd6f1b010803d733f3fab85332c117830d1d866961
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/JPTO09809190
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 0xbc399e0d61476b4c0a7377dd6f1b010803d733f3fab85332c117830d1d866961. 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/JPTO09809190.
  date published: 2026-07-19T07:14:39Z
audio: 同じ時代を
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.072
  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: 0.547
  additional property: Energy
    type: PropertyValue
    value: 0.75
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.062
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.779
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.145
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

next door
type: MusicRecording
duration: PT6M21S
duration ms: 381253
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09445930
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-13T00:00:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab09dd0c6426ae5ba69f3f2e1c4e762c99bc20488c159781e9e04121e4b3040e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957778
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957778
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09445930
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-13T00:08:48Z
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 0xab09dd0c6426ae5ba69f3f2e1c4e762c99bc20488c159781e9e04121e4b3040e. Chain 2 (Bitcoin): anchored in block 957778 (2026-07-13T00:08:48Z), 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/JPTO09445930.
  date published: 2026-07-13T00:08:48Z
audio: next door
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.239
  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: 0.319
  additional property: Energy
    type: PropertyValue
    value: 0.793
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.348
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.382
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.448
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Girl
type: MusicRecording
duration: PT5M1S
duration ms: 301280
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09803520
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958832
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958832
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPTO09803520
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T10:00:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1e0f37be82ae702c95d227e4c459e5f665fdc3f6bf62fecd4de94c18c130841. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T10:00:57Z), 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/JPTO09803520.
  date published: 2026-07-20T10:00:57Z
audio: Girl
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.634
  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: 0.529
  additional property: Energy
    type: PropertyValue
    value: 0.876
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.486
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.316
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.61
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.934
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

HELLO
type: MusicRecording
duration: PT6M9S
duration ms: 369680
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPTO09445880
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:59:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x035a40c4dd8c4bee2a2995e2aad65b6924d79dfbe00d2a2bb40620602d917836
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/JPTO09445880
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 0x035a40c4dd8c4bee2a2995e2aad65b6924d79dfbe00d2a2bb40620602d917836. 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/JPTO09445880.
  date published: 2026-07-05T10:01:46Z
audio: HELLO
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.004
  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: 0.531
  additional property: Energy
    type: PropertyValue
    value: 0.809
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.549
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.39
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.403
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.244
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

と、いう話さ
type: MusicRecording
duration: PT5M31S
duration ms: 331893
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPT201800280
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T05:35:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ae7078f4f093c1011f6af91f0a5a51321923d77c231e152064c4932c68d35a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958110
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/JPT201800280
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 0x4ae7078f4f093c1011f6af91f0a5a51321923d77c231e152064c4932c68d35a9. 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/JPT201800280.
  date published: 2026-07-15T06:57:12Z
audio: と、いう話さ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.983
  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: 0.572
  additional property: Energy
    type: PropertyValue
    value: 0.926
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.002
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.387
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.652
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.062
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

しゃぼん
type: MusicRecording
duration: PT5M28S
duration ms: 328026
explicit: false
by artist: ASKA
in album: We are the Fellows
  type: MusicAlbum
  date published: 2018-10-17
genre: kayokyoku
isrc code: JPT201800281
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:15:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe232a43799f7455f793f064dfeb7339c7831364b2d088f06dd4dcb8e2c25bdd5
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/JPT201800281
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 0xe232a43799f7455f793f064dfeb7339c7831364b2d088f06dd4dcb8e2c25bdd5. 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/JPT201800281.
  date published: 2026-07-05T10:59:37Z
audio: しゃぼん
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 149.825
  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: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.567
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.62
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.955
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

We are the Fellows
type: MusicAlbum
date published: 2018-10-17

SCENE (Remix ver.)
type: MusicAlbum
date published: 2018-11-21
track: 蘇州夜曲 - Remix ver.
  type: MusicRecording
  duration: PT4M45S
  duration ms: 285640
  explicit: false
  by artist: ASKA
  in album: SCENE (Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800296
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T14:20:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2dd1831bcdbd39e2c323bdbabc156fc2a96fc9d1bc7c6aaa172a98187096d892
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959146
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959146
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800296
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T17:21:25Z
  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 0x2dd1831bcdbd39e2c323bdbabc156fc2a96fc9d1bc7c6aaa172a98187096d892. Chain 2 (Bitcoin): anchored in block 959146 (2026-07-22T17:21:25Z), 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/JPT201800296.
    date published: 2026-07-22T17:21:25Z
  audio: 蘇州夜曲 - Remix ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.656
    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: 0.251
    additional property: Energy
      type: PropertyValue
      value: 0.411
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.075
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.052
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.083
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.341
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: 予感 - Remix ver.
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249293
  explicit: false
  by artist: ASKA
  in album: SCENE (Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800297
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T20:47:55+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdf474509836f0d15176a59a675aba1e7942b7414c411291e966d34acaf99b50a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800297
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  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 0xdf474509836f0d15176a59a675aba1e7942b7414c411291e966d34acaf99b50a. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/JPT201800297.
    date published: 2026-07-20T21:15:01Z
  audio: 予感 - Remix ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.799
    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: 0.352
    additional property: Energy
      type: PropertyValue
      value: 0.513
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.001
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.2
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.207
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.387
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: MY Mr.LONELY HEART - Remix ver.
  type: MusicRecording
  duration: PT4M40S
  duration ms: 280520
  explicit: false
  by artist: ASKA
  in album: SCENE (Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800298
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:54:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26abc70d2f4ebc9d5c987981f172e1a2b2cd986356b6554000556b5da257636c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958668
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958668
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: MY Mr.LONELY HEART - Remix ver.
track: 夢はるか - Remix ver.
track: SCENE - Remix ver.
track: ふたり - Remix ver.
track: 今でも - Remix ver.
track: 最後の場面 - Remix ver.
track: MIDNIGHT 2 CALL - Remix ver.
track: 大人じゃなくていい - Remix ver.

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800298

OTSTimestamp
type: PropertyValue
value: 2026-07-19T05:16:11Z

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 0x26abc70d2f4ebc9d5c987981f172e1a2b2cd986356b6554000556b5da257636c. Chain 2 (Bitcoin): anchored in block 958668 (2026-07-19T05:16:11Z), 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/JPT201800298.
date published: 2026-07-19T05:16:11Z

MY Mr.LONELY HEART - Remix ver.
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 75.907
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: 0.446
additional property: Energy
  type: PropertyValue
  value: 0.441
additional property: Speechiness
  type: PropertyValue
  value: 0.026
additional property: Acousticness
  type: PropertyValue
  value: 0.026
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.103
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.16
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.275
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

夢はるか - Remix ver.
type: MusicRecording
duration: PT4M58S
duration ms: 298146
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800299
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T01:44:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8c071560fce9537343ca1dcfdf96853e876c3a6816f17e9a475502b6d86fbffb
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/JPT201800299
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 0x8c071560fce9537343ca1dcfdf96853e876c3a6816f17e9a475502b6d86fbffb. 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/JPT201800299.
  date published: 2026-07-04T10:04:33Z
audio: 夢はるか - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 83.02
  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: 0.569
  additional property: Energy
    type: PropertyValue
    value: 0.649
  additional property: Speechiness
    type: PropertyValue
    value: 0.024
  additional property: Acousticness
    type: PropertyValue
    value: 0.108
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.18
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.525
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.006
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENE - Remix ver.
type: MusicRecording
duration: PT4M21S
duration ms: 261079
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800300
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T12:33:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7123de67b2851454fe0d8521809a85dea1420fd0865b31d7ebb8cacd917141f5
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/JPT201800300
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 0x7123de67b2851454fe0d8521809a85dea1420fd0865b31d7ebb8cacd917141f5. 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/JPT201800300.
  date published: 2026-07-03T19:59:51Z
audio: SCENE - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.604
  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: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.394
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.802
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.417
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.844
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

ふたり - Remix ver.
type: MusicRecording
duration: PT5M4S
duration ms: 304160
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800301
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T15:55:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5222ee9eb88387d41d9eac00434af3f74b5f79816403c9b1e9464cdcf6fa994d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958905
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958905
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800301
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T18:56:43Z
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 0x5222ee9eb88387d41d9eac00434af3f74b5f79816403c9b1e9464cdcf6fa994d. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T18:56:43Z), 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/JPT201800301.
  date published: 2026-07-20T18:56:43Z
audio: ふたり - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.711
  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: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.456
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.094
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.163
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.456
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

今でも - Remix ver.
type: MusicRecording
duration: PT4M13S
duration ms: 253706
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T04:23:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68b14ca1ce9358693f86dd4a49858bc328e445d7dc1fa5cb66cef67537d8b9d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958242
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958242
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800302
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:25:46Z
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 0x68b14ca1ce9358693f86dd4a49858bc328e445d7dc1fa5cb66cef67537d8b9d8. Chain 2 (Bitcoin): anchored in block 958242 (2026-07-16T07:25:46Z), 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/JPT201800302.
  date published: 2026-07-16T07:25:46Z
audio: 今でも - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.801
  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: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.417
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.194
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.194
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.481
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

最後の場面 - Remix ver.
type: MusicRecording
duration: PT4M52S
duration ms: 292560
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800303
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T13:51:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ea849a915dc9883e0ecf775c5ec092da6b4ce8cfbf7b370d4cacc69e1a60665
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959138
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800303
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:53:31Z
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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ea849a915dc9883e0ecf775c5ec092da6b4ce8cfbf7b370d4cacc69e1a60665. Chain 2 (Bitcoin): anchored in block 959138 (2026-07-22T16:53:31Z), 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/JPT201800303.
  date published: 2026-07-22T16:53:31Z
audio: 最後の場面 - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.602
  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: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.423
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.074
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.805
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

MIDNIGHT 2 CALL - Remix ver.
type: MusicRecording
duration: PT4M20S
duration ms: 260733
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800304
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T03:41:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf9f9cb806d208c853664889516e929d4b31b86ec694cad6d212a646ae5cb6944
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958959
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958959
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800304
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T03:51:22Z
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 0xf9f9cb806d208c853664889516e929d4b31b86ec694cad6d212a646ae5cb6944. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), 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/JPT201800304.
  date published: 2026-07-21T03:51:22Z
audio: MIDNIGHT 2 CALL - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.135
  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: 0.39
  additional property: Energy
    type: PropertyValue
    value: 0.412
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.08
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.166
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.964
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

大人じゃなくていい - Remix ver.
type: MusicRecording
duration: PT4M54S
duration ms: 294600
explicit: false
by artist: ASKA
in album: SCENE (Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T05:26:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c2f8407eda14dfb4fa0f810033687e569a23daf65d9bd0a01b87bd88aa3825a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959103
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959103
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800305
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T08:27:27Z
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 0x0c2f8407eda14dfb4fa0f810033687e569a23daf65d9bd0a01b87bd88aa3825a. Chain 2 (Bitcoin): anchored in block 959103 (2026-07-22T08:27:27Z), 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/JPT201800305.
  date published: 2026-07-22T08:27:27Z
audio: 大人じゃなくていい - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.45
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.553
  additional property: Energy
    type: PropertyValue
    value: 0.519
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.007
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.255
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.19
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.5
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENE (Ⅱ Remix ver.)
type: MusicAlbum
date published: 2018-11-21
track: けれど空は青 〜close friend〜 - Remix ver.
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321253
  explicit: false
  by artist: ASKA
  in album: SCENE (Ⅱ Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800286
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:11:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfed15fca870754905ac65a66532c6c4a6e45dafe67b535616af4b6a606fdff86
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800286
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  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 0xfed15fca870754905ac65a66532c6c4a6e45dafe67b535616af4b6a606fdff86. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), 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/JPT201800286.
    date published: 2026-07-18T04:13:26Z
  audio: けれど空は青 〜close friend〜 - Remix ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.014
    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: 0.45
    additional property: Energy
      type: PropertyValue
      value: 0.639
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.274
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.169
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.409
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Love is alive - Remix ver.
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345213
  explicit: false
  by artist: ASKA
  in album: SCENE (Ⅱ Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800287
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T02:06:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x44bcbf0bad17fd5870d9bfd98e6567003ec6705ef8ee86866f08c8015a4f8c4c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956889
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956889
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800287
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T09:01:18Z
  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 0x44bcbf0bad17fd5870d9bfd98e6567003ec6705ef8ee86866f08c8015a4f8c4c. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-21T09:01:18Z), 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/JPT201800287.
    date published: 2026-07-21T09:01:18Z
  audio: Love is alive - Remix ver.
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 141.586
    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: 0.44
    additional property: Energy
      type: PropertyValue
      value: 0.454
    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.74
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.123
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.84
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: DAYS OF DREAM - Remix ver.
  type: MusicRecording
  duration: PT5M36S
  duration ms: 336186
  explicit: false
  by artist: ASKA
  in album: SCENE (Ⅱ Remix ver.)
    type: MusicAlbum
    date published: 2018-11-21
  genre: kayokyoku
  isrc code: JPT201800288
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T13:14:26+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x70aae51b61fbd4d743d2d4a4c2496c2a8ac714dee4732d3b60e0f8fa6b3fc6c9
  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
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: DAYS OF DREAM - Remix ver.
track: 都会の空 - Remix ver.
track: 風の住む町 - Remix ver.
track: 君が愛を語れ - Remix ver.
track: 止まった時計 - Remix ver.

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800288

OTSTimestamp
type: PropertyValue
value: 2026-07-03T23:28:02Z

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 0x70aae51b61fbd4d743d2d4a4c2496c2a8ac714dee4732d3b60e0f8fa6b3fc6c9. 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/JPT201800288.
date published: 2026-07-03T23:28:02Z

DAYS OF DREAM - Remix ver.
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 99.866
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: 0.271
additional property: Energy
  type: PropertyValue
  value: 0.519
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.632
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.233
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.093
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.72
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

都会の空 - Remix ver.
type: MusicRecording
duration: PT5M21S
duration ms: 321386
explicit: false
by artist: ASKA
in album: SCENE (Ⅱ Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800290
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T20:39:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71962ea53a9be664d9d5e7cbbc47788b2de5cf7d0193f42fbac43ab730e3fc1b
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/JPT201800290
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 0x71962ea53a9be664d9d5e7cbbc47788b2de5cf7d0193f42fbac43ab730e3fc1b. 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/JPT201800290.
  date published: 2026-07-05T01:43:49Z
audio: 都会の空 - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.794
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.376
  additional property: Energy
    type: PropertyValue
    value: 0.409
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.685
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.159
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.825
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

風の住む町 - Remix ver.
type: MusicRecording
duration: PT6M17S
duration ms: 377746
explicit: false
by artist: ASKA
in album: SCENE (Ⅱ Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800291
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T06:15:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x40085f482a416bdb3fe40ad4ee7506de28987bcb32822cde11336324e95c1b2a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956790
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956790
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800291
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T12:31:54Z
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 0x40085f482a416bdb3fe40ad4ee7506de28987bcb32822cde11336324e95c1b2a. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/JPT201800291.
  date published: 2026-07-05T12:31:54Z
audio: 風の住む町 - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.96
  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: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.589
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.405
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.801
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

君が愛を語れ - Remix ver.
type: MusicRecording
duration: PT5M48S
duration ms: 348253
explicit: false
by artist: ASKA
in album: SCENE (Ⅱ Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800293
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:11:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9849296caef351b4a81c9559344b757c5f9594559eeb94afd0e24001041caf51
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800293
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
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 0x9849296caef351b4a81c9559344b757c5f9594559eeb94afd0e24001041caf51. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/JPT201800293.
  date published: 2026-07-06T07:16:32Z
audio: 君が愛を語れ - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.067
  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: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.578
  additional property: Speechiness
    type: PropertyValue
    value: 0.027
  additional property: Acousticness
    type: PropertyValue
    value: 0.485
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.182
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.332
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

止まった時計 - Remix ver.
type: MusicRecording
duration: PT8M1S
duration ms: 481320
explicit: false
by artist: ASKA
in album: SCENE (Ⅱ Remix ver.)
  type: MusicAlbum
  date published: 2018-11-21
genre: kayokyoku
isrc code: JPT201800294
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T00:31:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7da452a03985b867e92dc3019f1c04953b9371e163ad12874a4675ec9cc90806
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958802
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958802
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT201800294
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T01:04:02Z
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 0x7da452a03985b867e92dc3019f1c04953b9371e163ad12874a4675ec9cc90806. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/JPT201800294.
  date published: 2026-07-20T01:04:02Z
audio: 止まった時計 - Remix ver.
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.59
  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: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.352
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.818
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.016
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.039
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

SCENE (Remix ver.)
type: MusicAlbum
date published: 2018-11-21

SCENE (Ⅱ Remix ver.)
type: MusicAlbum
date published: 2018-11-21

笑って歩こうよ/プラネタリウム
type: MusicAlbum
date published: 2021-07-14

笑って歩こうよ/プラネタリウム
type: MusicAlbum
date published: 2021-07-14
track: 笑って歩こうよ
  type: MusicRecording
  duration: PT4M24S
  duration ms: 264047
  explicit: false
  by artist: ASKA
  in album: 笑って歩こうよ/プラネタリウム
    type: MusicAlbum
    date published: 2021-07-14
  genre: kayokyoku
  isrc code: JPZ922106697
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T21:23:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3e8463c4d2b5a2a67c73c6d6282a3d96c6e791183a3fee5d2060b9d8aaa0299c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959061
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959061
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922106697
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:25:27Z
  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-22T00:25:27Z
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track: プラネタリウム
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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
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    date published: 2026-07-19T06:04:14Z
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PRIDE
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date published: 2021-10-15
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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
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    date published: 2026-07-03T19:59:51Z
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PRIDE
type: MusicAlbum
date published: 2021-10-15

はじまりはいつも雨 (tiny desk concerts JAPAN)
type: MusicAlbum
date published: 2025-10-31

PRIDE (tiny desk concerts JAPAN)
type: MusicAlbum
date published: 2025-10-31

SAY YES (tiny desk concerts JAPAN)
type: MusicAlbum
date published: 2025-10-31

僕はこの瞳で嘘をつく (tiny desk concerts JAPAN)
type: MusicAlbum
date published: 2025-10-31

太陽と埃の中で (tiny desk concerts JAPAN)
type: MusicAlbum
date published: 2025-10-31

地球という名の都
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by artist: ASKA
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genre: anime
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: 地球という名の都
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地球という名の都
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by artist: ASKA
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: 地球という名の都
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