Ayasa
type: MusicGroup
description: is a feminine Japanese given name. Notable people with the name include: Ayasa (violinist) (born 1991), Japanese violinist , Japanese voice actress Fictional characters Ayasa Tachibana, a character i
popularity: 32
followers: 27093
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x05e1c99745890b3d314b15aacbc44ca945408c59fbcf21108780763972b51a1a
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/ffc7ddbc-75af-498c-a35a-035de0f7e076.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ffc7ddbc-75af-498c-a35a-035de0f7e076.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ffc7ddbc-75af-498c-a35a-035de0f7e076
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 0x05e1c99745890b3d314b15aacbc44ca945408c59fbcf21108780763972b51a1a. 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/ffc7ddbc-75af-498c-a35a-035de0f7e076.json and https://artists.proofprofile.net/proofs/artist/ffc7ddbc-75af-498c-a35a-035de0f7e076.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
album: CHRONICLE I
  type: MusicAlbum
  date published: 2015-12-09
album: CHRONICLE I
  type: MusicAlbum
  date published: 2015-12-09
album: CHRONICLE II
  type: MusicAlbum
  date published: 2016-06-29
album: Re:Birth
  type: MusicAlbum
  date published: 2016-10-01
album: Re:Birth
  type: MusicAlbum
  date published: 2016-10-01
album: CHRONICLE Ⅲ
  type: MusicAlbum
  date published: 2016-10-19
album: CHRONICLE Ⅱ (Back track)
  type: MusicAlbum
  date published: 2016-10-19
album: CHRONICLE Ⅳ
  type: MusicAlbum
  date published: 2016-12-21
album: BEST Ⅰ
  type: MusicAlbum
  date published: 2017-01-25
  track: Re:Birth
    type: MusicRecording
    duration: PT2M52S
    duration ms: 172047
    explicit: false
    by artist: Ayasa
    in album: BEST Ⅰ
      type: MusicAlbum
      date published: 2017-01-25
    isrc code: JPZ921510571
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    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958216
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ921510571
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T00:00:34Z
    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 0xa7b35192143a960b8a52f5ba7a29acc1ee8bc3f6d557b5bd801d100c54b413c1. Chain 2 (Bitcoin): anchored in block 958216 (2026-07-16T00:00:34Z), 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/JPZ921510571.
      date published: 2026-07-16T00:00:34Z
    audio: Re:Birth
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      additional property: Tempo (BPM)
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      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: 0.222
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
        type: PropertyValue
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      additional property: Liveness
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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      additional property: Key Name
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      additional property: Mode Name
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  track: VOICES Strings ver. ～featuring Ayasa
    type: MusicRecording
    duration: PT3M37S
    duration ms: 217977
    explicit: false
    by artist: Ayasa
    in album: BEST Ⅰ
      type: MusicAlbum
      date published: 2017-01-25
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    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/JPN901605040
    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 0xf189f79458156bb0737e603ef573b626dc97bbd0304164f64869dd9f9c2d42a4. 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/JPN901605040.
      date published: 2026-07-05T01:12:41Z
    audio: VOICES Strings ver. ～featuring Ayasa
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 105.751
      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
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: CHRONICLE V
album: CHRONICLE Ⅴ
album: LIVE!! Ayasa Theater episode 7
album: CHRONICLE Ⅵ
album: CHRONICLE Ⅶ
album: ANISONG COVER NIGHT Vol.1
album: CHRONICLE Ⅷ
album: ANISONG COVER NIGHT (Vol.2)
album: CHRONICLE Ⅷ (Back track)
album: CHRONICLE Ⅵ (Back track)
album: CHRONICLE Ⅴ（Back track）
album: CHRONICLE Ⅶ (Back track)
album: ANISONG COVER NIGHT (Vol.3)
album: J-POP COVER NIGHT (Vol.1)
album: GUNSHOT〜memory of loved
album: Ayasa Special LIVE「Ayasa Theater + ANISONG COVER NIGHT」
album: ANISONG COVER NIGHT (Vol.4)
album: BEST Ⅱ
album: Invitation from a fairy
album: HIGURASHI
album: Rou-chou-ren-un
album: 籠鳥恋雲
album: 桜めくり
album: sakuramekuri
album: LIVE IN JAPAN ~ SYMPHONIC METALLIZATION
album: Dualism
album: A fraction-II
album: Medousa -Hakai To Souzou-
album: Medousa-破壊ト創造-
album: A fraction-Ⅲ
album: A fraction- III
album: A fraction- IV
album: A fraction-Ⅳ
album: 宴でぃすこ
album: Utage Disco
album: Ryouranranbu
album: 繚乱乱舞
album: A fraction- V
album: A fraction-Ⅴ
track: アインソフオウル

Danceability
type: PropertyValue
value: 0.425

Energy
type: PropertyValue
value: 0.56

Speechiness
type: PropertyValue
value: 0.031

Acousticness
type: PropertyValue
value: 0.466

Instrumentalness
type: PropertyValue
value: 0.753

Liveness
type: PropertyValue
value: 0.198

Valence (Positivity)
type: PropertyValue
value: 0.614

Loudness (dB)
type: PropertyValue
value: -7.663

Key Name
type: PropertyValue
value: Ab

Mode Name
type: PropertyValue
value: Minor

CHRONICLE V
type: MusicAlbum
date published: 2018-01-24
track: Back to the moon
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211289
  explicit: false
  by artist: Ayasa
  in album: CHRONICLE V
    type: MusicAlbum
    date published: 2018-01-24
  isrc code: JPN901704540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T11:54:41+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xddb56e0832929abd20e3adc06db06cc22e640044b0f126d6ef2e75c8e77a3969
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958410
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958410
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN901704540
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T12:18:07Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xddb56e0832929abd20e3adc06db06cc22e640044b0f126d6ef2e75c8e77a3969. Chain 2 (Bitcoin): anchored in block 958410 (2026-07-17T12:18:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN901704540.
    date published: 2026-07-17T12:18:07Z
  audio: Back to the moon
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.03
    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: 0.446
    additional property: Energy
      type: PropertyValue
      value: 0.875
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.022
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.043
    additional property: Liveness
      type: PropertyValue
      value: 0.175
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.431
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.794
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
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CHRONICLE Ⅴ
type: MusicAlbum
date published: 2018-01-24
track: 告白の夜
  type: MusicRecording
  duration: PT4M50S
  duration ms: 290465
  explicit: false
  by artist: Ayasa
  in album: CHRONICLE Ⅴ
    type: MusicAlbum
    date published: 2018-01-24
  isrc code: JPN901704520
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T23:40:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd69246c6c6f8a413564c7e88c83fb2fd0e9abc347226ccc6d39a2bf944284e0c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957774
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957774
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN901704520
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T23:51:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd69246c6c6f8a413564c7e88c83fb2fd0e9abc347226ccc6d39a2bf944284e0c. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPN901704520.
    date published: 2026-07-12T23:51:20Z
  audio: 告白の夜
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.036
    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: 0.453
    additional property: Energy
      type: PropertyValue
      value: 0.599
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.259
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.196
    additional property: Liveness
      type: PropertyValue
      value: 0.132
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.202
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.667
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major

LIVE!! Ayasa Theater episode 7
type: MusicAlbum
date published: 2018-03-28

CHRONICLE Ⅵ
type: MusicAlbum
date published: 2019-06-01

CHRONICLE Ⅶ
type: MusicAlbum
date published: 2019-07-01

CHRONICLE Ⅶ
type: MusicAlbum
date published: 2019-07-01

ANISONG COVER NIGHT Vol.1
type: MusicAlbum
date published: 2019-08-01
track: 千本桜
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181783
  explicit: false
  by artist: Ayasa
  in album: ANISONG COVER NIGHT Vol.1
    type: MusicAlbum
    date published: 2019-08-01
  isrc code: JPT591910272
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T21:09:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x75180dcf844bbbec22f804bab7a7207cba4029294c6933b310d46b409ab7f6bc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/JPT591910272
  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 0x75180dcf844bbbec22f804bab7a7207cba4029294c6933b310d46b409ab7f6bc. 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/JPT591910272.
    date published: 2026-07-04T10:04:33Z
  audio: 千本桜
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.499
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.18
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: ライオン
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226909
  explicit: false
  by artist: Ayasa
  in album: ANISONG COVER NIGHT Vol.1
    type: MusicAlbum
    date published: 2019-08-01
  isrc code: JPT591910274
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-06T03:39:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x88d238202c21cadc0655be23de39b49e3e49645bff9f067f46e76572638d3903
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956891
  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88d238202c21cadc0655be23de39b49e3e49645bff9f067f46e76572638d3903. 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/JPT591910274.
    date published: 2026-07-06T07:16:32Z
  audio: ライオン
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: 六兆年と一夜物語
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  explicit: false
  by artist: Ayasa
  in album: ANISONG COVER NIGHT Vol.1
    type: MusicAlbum
    date published: 2019-08-01
  isrc code: JPT591910275
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  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958650
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPT591910275
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: 六兆年と一夜物語
track: 前前前世

OTSTimestamp
type: PropertyValue
value: 2026-07-19T03:36:41Z

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 0x51f7eeb2bd0e4a570bceac53a99d5420db293d95a06b7f19a4f0e83435d88d64. Chain 2 (Bitcoin): anchored in block 958650 (2026-07-19T03:36:41Z), 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/JPT591910275.
date published: 2026-07-19T03:36:41Z

六兆年と一夜物語
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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前前前世
type: MusicRecording
duration: PT2M46S
duration ms: 166307
explicit: false
by artist: Ayasa
in album: ANISONG COVER NIGHT Vol.1
  type: MusicAlbum
  date published: 2019-08-01
isrc code: JPT591910276
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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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/JPT591910276
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 0xc9b38106bbf64c52266a1b3984104e4e00080851109468cc85f9fe4165168ebf. 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/JPT591910276.
  date published: 2026-07-05T10:01:46Z
audio: 前前前世
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  additional property: Danceability
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  additional property: Energy
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  additional property: Liveness
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  additional property: Valence (Positivity)
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ANISONG COVER NIGHT Vol.1
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date published: 2019-08-01
track: ZEN ZEN ZENSE
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166307
  explicit: false
  by artist: Ayasa
  in album: ANISONG COVER NIGHT Vol.1
    type: MusicAlbum
    date published: 2019-08-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/JPT591910276
  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 0xc9b38106bbf64c52266a1b3984104e4e00080851109468cc85f9fe4165168ebf. 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/JPT591910276.
    date published: 2026-07-06T01:26:17Z
  audio: ZEN ZEN ZENSE
    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)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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      type: PropertyValue
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CHRONICLE Ⅷ
type: MusicAlbum
date published: 2019-09-01

ANISONG COVER NIGHT (Vol.2)
type: MusicAlbum
date published: 2019-10-01

ANISONG COVER NIGHT (Vol.2)
type: MusicAlbum
date published: 2019-10-01

CHRONICLE Ⅷ (Back track)
type: MusicAlbum
date published: 2020-03-14

CHRONICLE Ⅵ (Back track)
type: MusicAlbum
date published: 2020-03-14

CHRONICLE Ⅵ (Back track)
type: MusicAlbum
date published: 2020-03-14

CHRONICLE Ⅴ（Back track）
type: MusicAlbum
date published: 2020-03-14

CHRONICLE Ⅶ (Back track)
type: MusicAlbum
date published: 2020-03-14

ANISONG COVER NIGHT (Vol.3)
type: MusicAlbum
date published: 2020-07-01

ANISONG COVER NIGHT (Vol.3)
type: MusicAlbum
date published: 2020-07-01

J-POP COVER NIGHT (Vol.1)
type: MusicAlbum
date published: 2020-08-01

J-POP COVER NIGHT (Vol.1)
type: MusicAlbum
date published: 2020-08-01

GUNSHOT〜memory of loved
type: MusicAlbum
date published: 2020-11-01

GUNSHOT〜memory of loved
type: MusicAlbum
date published: 2020-11-01

Ayasa Special LIVE「Ayasa Theater + ANISONG COVER NIGHT」
type: MusicAlbum
date published: 2020-12-01

Ayasa Special LIVE「Ayasa Theater + ANISONG COVER NIGHT」
type: MusicAlbum
date published: 2020-12-01

ANISONG COVER NIGHT (Vol.4)
type: MusicAlbum
date published: 2021-03-01
track: 夜に駆ける
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  duration: PT3M40S
  duration ms: 220000
  explicit: false
  by artist: Ayasa
  in album: ANISONG COVER NIGHT (Vol.4)
    type: MusicAlbum
    date published: 2021-03-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958388
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR502146097
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T09:14:21Z
  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 0x4cdbabe8ba0972dfd7831c939aa2fa97e2350483d9e859286b1ec3058e67b721. Chain 2 (Bitcoin): anchored in block 958388 (2026-07-17T09:14:21Z), 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/JPR502146097.
    date published: 2026-07-17T09:14:21Z
  audio: 夜に駆ける
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.976
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.539
    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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ANISONG COVER NIGHT (Vol.4)
type: MusicAlbum
date published: 2021-03-01

BEST Ⅱ
type: MusicAlbum
date published: 2021-07-01
track: AkaiAme
  type: MusicRecording
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  explicit: false
  by artist: Ayasa
  in album: BEST Ⅱ
    type: MusicAlbum
    date published: 2021-07-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T00:12:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7c5f4b496e815241f20f10feafcff7fa6593f0b33846a7e9b60d3f75f3a421e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  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/JPT592010508
  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 0x7c5f4b496e815241f20f10feafcff7fa6593f0b33846a7e9b60d3f75f3a421e9. 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/JPT592010508.
    date published: 2026-07-04T11:19:20Z
  audio: AkaiAme
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.051
    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: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.866
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
      value: 0.278
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.441
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.581
    additional property: Key Name
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    additional property: Mode Name
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BEST Ⅱ
type: MusicAlbum
date published: 2021-07-01
track: 赤い雨
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  duration ms: 252018
  explicit: false
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    type: MusicAlbum
    date published: 2021-07-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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    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/JPT592010508
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x7c5f4b496e815241f20f10feafcff7fa6593f0b33846a7e9b60d3f75f3a421e9. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/JPT592010508.
    date published: 2026-07-06T06:56:49Z
  audio: 赤い雨
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    additional property: Tempo (BPM)
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    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: 0.53
    additional property: Energy
      type: PropertyValue
      value: 0.866
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.003
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.278
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.441
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.581
    additional property: Key Name
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Invitation from a fairy
type: MusicAlbum
date published: 2022-09-19

Invitation from a fairy
type: MusicAlbum
date published: 2022-09-19

HIGURASHI
type: MusicAlbum
date published: 2022-10-19

HIGURASHI
type: MusicAlbum
date published: 2022-10-19

Rou-chou-ren-un
type: MusicAlbum
date published: 2023-01-14

籠鳥恋雲
type: MusicAlbum
date published: 2023-01-14

桜めくり
type: MusicAlbum
date published: 2023-04-18

sakuramekuri
type: MusicAlbum
date published: 2023-04-18

LIVE IN JAPAN ~ SYMPHONIC METALLIZATION
type: MusicAlbum
date published: 2023-05-26

Dualism
type: MusicAlbum
date published: 2023-08-14

Dualism
type: MusicAlbum
date published: 2023-08-14

A fraction-II
type: MusicAlbum
date published: 2023-10-18

A fraction-II
type: MusicAlbum
date published: 2023-10-18

Medousa -Hakai To Souzou-
type: MusicAlbum
date published: 2023-12-25

Medousa-破壊ト創造-
type: MusicAlbum
date published: 2023-12-25

A fraction-Ⅲ
type: MusicAlbum
date published: 2024-02-11

A fraction- III
type: MusicAlbum
date published: 2024-02-11

A fraction- IV
type: MusicAlbum
date published: 2024-10-23

A fraction-Ⅳ
type: MusicAlbum
date published: 2024-10-23

宴でぃすこ
type: MusicAlbum
date published: 2025-05-21
track: 宴でぃすこ
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210000
  explicit: false
  by artist: Ayasa
  in album: 宴でぃすこ
    type: MusicAlbum
    date published: 2025-05-21
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x9bdcdab8efce8917b6c973b8f92e6e75b062e674a5b992060748c83afe9a66fb
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  additional property: OTSBitcoinBlock
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  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/JPZ922503456
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:59:45Z
  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 0x9bdcdab8efce8917b6c973b8f92e6e75b062e674a5b992060748c83afe9a66fb. Chain 2 (Bitcoin): anchored in block 958793 (2026-07-19T22:59:45Z), 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/JPZ922503456.
    date published: 2026-07-19T22:59:45Z
  audio: 宴でぃすこ
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 127.984
    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: 0.615
    additional property: Energy
      type: PropertyValue
      value: 0.86
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.025
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.026
    additional property: Liveness
      type: PropertyValue
      value: 0.244
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.855
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.361
    additional property: Key Name
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      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Utage Disco
type: MusicAlbum
date published: 2025-05-21
track: Utage Disco
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210000
  explicit: false
  by artist: Ayasa
  in album: Utage Disco
    type: MusicAlbum
    date published: 2025-05-21
  isrc code: JPZ922503456
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/JPZ922503456
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T20:38:50Z
  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 0x9bdcdab8efce8917b6c973b8f92e6e75b062e674a5b992060748c83afe9a66fb. Chain 2 (Bitcoin): anchored in block 958196 (2026-07-15T20:38:50Z), 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/JPZ922503456.
    date published: 2026-07-15T20:38:50Z
  audio: Utage Disco
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.615
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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      value: 0.855
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.361
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Ryouranranbu
type: MusicAlbum
date published: 2025-05-28
track: Ryouranranbu
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253028
  explicit: false
  by artist: Ayasa
  in album: Ryouranranbu
    type: MusicAlbum
    date published: 2025-05-28
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    value: https://explorer.copyrightchains.com/tx/0x8674c5bda7721424d5cbcf852254df3460c3f489dc05d688f7395c9c69403106
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  additional property: OTSBitcoinBlock
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    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/JPZ922503455
  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 0x8674c5bda7721424d5cbcf852254df3460c3f489dc05d688f7395c9c69403106. 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/JPZ922503455.
    date published: 2026-07-03T08:56:35Z
  audio: Ryouranranbu
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.339
    additional property: Energy
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      value: 0.977
    additional property: Speechiness
      type: PropertyValue
      value: 0.15
    additional property: Acousticness
      type: PropertyValue
      value: 0.004
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.749
    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.453
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.348
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

繚乱乱舞
type: MusicAlbum
date published: 2025-05-28
track: 繚乱乱舞
  type: MusicRecording
  duration: PT4M13S
  duration ms: 253028
  explicit: false
  by artist: Ayasa
  in album: 繚乱乱舞
    type: MusicAlbum
    date published: 2025-05-28
  isrc code: JPZ922503455
  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x8674c5bda7721424d5cbcf852254df3460c3f489dc05d688f7395c9c69403106
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPZ922503455
  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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8674c5bda7721424d5cbcf852254df3460c3f489dc05d688f7395c9c69403106. 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/JPZ922503455.
    date published: 2026-07-04T10:04:33Z
  audio: 繚乱乱舞
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.339
    additional property: Energy
      type: PropertyValue
      value: 0.977
    additional property: Speechiness
      type: PropertyValue
      value: 0.15
    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.453
    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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A fraction- V
type: MusicAlbum
date published: 2025-06-25

A fraction-Ⅴ
type: MusicAlbum
date published: 2025-06-25
track: 彩泡沫
  type: MusicRecording
  duration: PT3M50S
  duration ms: 230882
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    type: MusicAlbum
    date published: 2025-06-25
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  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 0x6e9a9cf94da33d2ce7189193ed25f9742d2a2114625f2773b0d3f7a5a5c83f51. 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/JPZ922503457.
    date published: 2026-07-05T01:43:49Z
  audio: 彩泡沫
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    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.281
    additional property: Energy
      type: PropertyValue
      value: 0.785
    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
      type: PropertyValue
      value: 0.059
    additional property: Liveness
      type: PropertyValue
      value: 0.163
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.36
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.244
    additional property: Key Name
      type: PropertyValue
      value: A
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      value: Minor

アインソフオウル
type: MusicRecording
duration: PT4M2S
duration ms: 242040
explicit: false
by artist: ASCA
by artist: Ayasa
in album: 百歌繚乱
  type: MusicAlbum
  date published: 2019-11-06
popularity: 17
genre: j-pop
genre: anime
genre: j-rock
isrc code: JPU901802953
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c35849235b216a3d2bbda970dc73d22e9e3b9708b6c5b56451350bd00a0f123. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/JPU901802953.
  date published: 2026-06-17T19:07:14Z
audio: アインソフオウル
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.912
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -8.092
  additional property: Key Name
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  additional property: Mode Name
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アインソフオウル
type: MusicRecording
duration: PT4M1S
duration ms: 241366
explicit: false
by artist: ASCA
by artist: Ayasa
in album: アインソフオウル
  type: MusicAlbum
  date published: 2018-09-24
genre: j-pop
genre: anime
genre: j-rock
isrc code: JPU901802953
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7c35849235b216a3d2bbda970dc73d22e9e3b9708b6c5b56451350bd00a0f123. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPU901802953.
  date published: 2026-07-08T03:20:19Z
audio: アインソフオウル
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.332
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.347
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.618
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor