QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
type: MusicGroup
popularity: 15
followers: 2688
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e701a80228f9b84330c1d2839778942cb968f978d9efdb13f7a989d5f84ff92
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953625
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953625
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T11:37:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x1e701a80228f9b84330c1d2839778942cb968f978d9efdb13f7a989d5f84ff92","name":"QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)","registered_at":"2026-06-14T09:08:27Z","symbol":"NIM0405302","token_address":"0x8cbb8041fc05cb5393e696f22d3c8b2a4a15b8a7","type":"artist","uuid":"2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a"}
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 0x1e701a80228f9b84330c1d2839778942cb968f978d9efdb13f7a989d5f84ff92. Chain 2 (Bitcoin): anchored in block 953626 (2026-06-14T11:41:45Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a.json and https://artists.proofprofile.net/proofs/artist/2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T11:41:45Z
  text: {"copyright_id":"0x1e701a80228f9b84330c1d2839778942cb968f978d9efdb13f7a989d5f84ff92","name":"QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)","registered_at":"2026-06-14T09:08:27Z","symbol":"NIM0405302","token_address":"0x8cbb8041fc05cb5393e696f22d3c8b2a4a15b8a7","type":"artist","uuid":"2cb455bd-d7fc-4bbb-8ffd-d9d691313a3a"}
album: SQ QUELL (vol.2「I saw a rainbow」)
  type: MusicAlbum
  date published: 2016-06-30
  track: 蒼い水
    type: MusicRecording
    duration: PT5M11S
    duration ms: 311333
    explicit: false
    by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
    in album: SQ QUELL (vol.2「I saw a rainbow」)
      type: MusicAlbum
      date published: 2016-06-30
    isrc code: JPR501717872
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:45:49+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3ef9b03dfc97ce113afcf27969dc88c7829570b23a042248db97edcbc7a7e440
    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/JPR501717872
    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 0x3ef9b03dfc97ce113afcf27969dc88c7829570b23a042248db97edcbc7a7e440. 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/JPR501717872.
      date published: 2026-07-05T19:27:56Z
    audio: 蒼い水
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 174.892
      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: 0.426
      additional property: Energy
        type: PropertyValue
        value: 0.895
      additional property: Speechiness
        type: PropertyValue
        value: 0.094
      additional property: Acousticness
        type: PropertyValue
        value: 0.047
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.05
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.422
      additional property: Loudness (dB)
        type: PropertyValue
        value: -2.691
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: SolidSシリーズ QUELL「BELIEVER -祈り-」
  type: MusicAlbum
  date published: 2016-10-28
  track: BELIEVER-祈り-
    type: MusicRecording
    duration: PT5M14S
    duration ms: 314386
    explicit: false
    by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
    in album: SolidSシリーズ QUELL「BELIEVER -祈り-」
      type: MusicAlbum
      date published: 2016-10-28
    isrc code: JPR501717139
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T03:36:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf493b73eb90d94b151b7411fd25480d55c3fc122b0c059ce14fbaa6d89d65495
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958823
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958823
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR501717139
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T06:38:12Z
    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 0xf493b73eb90d94b151b7411fd25480d55c3fc122b0c059ce14fbaa6d89d65495. Chain 2 (Bitcoin): anchored in block 958823 (2026-07-20T06:38:12Z), 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/JPR501717139.
      date published: 2026-07-20T06:38:12Z
    audio: BELIEVER-祈り-
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.061
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.284
      additional property: Energy
        type: PropertyValue
        value: 0.92
      additional property: Speechiness
        type: PropertyValue
        value: 0.134
      additional property: Acousticness
        type: PropertyValue
        value: 0.343
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.394
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.352
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: SQ ユニットソング「表裏」シリーズ 『表QUELL』
album: SQ ユニットソング「表裏」シリーズ 『裏QUELL』
album: TSUKIPRO THE ANIMATION 主題歌③ QUELL「Because you are」
album: SQ QUELL 「RESTART」 シリーズ③
album: SQ QUELL 「RESTART」 シリーズ⑥
album: SQ 「CARDS」シリーズ1巻 QUELL「CLUB」
album: SQ 「CARDS」シリーズ3巻 QUELL「HEART」
album: 『Dear Dreamer,』 (ver.QUELL)
album: 『TSUKIPRO THE ANIMATION 2』主題歌③ QUELL「YOUR FREEDOM」
album: 『Best Wishes,』 (ver.QUELL)
track: 小さな世界
track: Above the best
track: ありがとう

小さな世界
type: MusicRecording
duration: PT4M16S
duration ms: 256000
explicit: false
by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
in album: 「TSUKIPRO THE ANIMATION」ENDING THEME SONG COLLECTION
  type: MusicAlbum
  date published: 2024-07-26
isrc code: USA2P2444643
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T22:44:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4ad4fa9727f83bef910aa754e94758be81e08f360ce10862cfc147d9e8c6265
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2444643
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf4ad4fa9727f83bef910aa754e94758be81e08f360ce10862cfc147d9e8c6265. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USA2P2444643.
  date published: 2026-07-02T03:55:08Z
audio: 小さな世界
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.627
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.654
  additional property: Energy
    type: PropertyValue
    value: 0.747
  additional property: Speechiness
    type: PropertyValue
    value: 0.1
  additional property: Acousticness
    type: PropertyValue
    value: 0.547
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.395
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.498
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.456
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Above the best
type: MusicRecording
duration: PT5M11S
duration ms: 311000
explicit: false
by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
in album: 「TSUKIPRO THE ANIMATION」ENDING THEME SONG COLLECTION
  type: MusicAlbum
  date published: 2024-07-26
isrc code: USA2P2444647
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T05:47:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0a2abbe6cb315ecf16dd2c260c7d2716a058bffc652ab21abfbd4f4027792d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2444647
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0a2abbe6cb315ecf16dd2c260c7d2716a058bffc652ab21abfbd4f4027792d4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/USA2P2444647.
  date published: 2026-07-02T03:55:08Z
audio: Above the best
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.488
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.505
  additional property: Energy
    type: PropertyValue
    value: 0.702
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.125
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.319
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.268
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

ありがとう
type: MusicRecording
duration: PT5M11S
duration ms: 311000
explicit: false
by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
in album: 「TSUKIPRO THE ANIMATION」ENDING THEME SONG COLLECTION
  type: MusicAlbum
  date published: 2024-07-26
isrc code: USA2P2444651
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T07:54:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbda84c7f8036fe07ec1fd9929a066a2b839b3a9bec6ddbaa81c1b3239097d3b0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2444651
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda84c7f8036fe07ec1fd9929a066a2b839b3a9bec6ddbaa81c1b3239097d3b0. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA2P2444651.
  date published: 2026-07-02T05:09:12Z
audio: ありがとう
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.507
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.194
  additional property: Energy
    type: PropertyValue
    value: 0.451
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.721
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.676
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.175
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.59
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Loudness (dB)
type: PropertyValue
value: -3.742

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Major

SQ ユニットソング「表裏」シリーズ 『表QUELL』
type: MusicAlbum
date published: 2017-05-26

SQ ユニットソング「表裏」シリーズ 『裏QUELL』
type: MusicAlbum
date published: 2017-08-25

TSUKIPRO THE ANIMATION 主題歌③ QUELL「Because you are」
type: MusicAlbum
date published: 2017-10-20
track: Because you are
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  duration: PT5M23S
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  by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
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    type: MusicAlbum
    date published: 2017-10-20
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    value: 958489
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    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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd2eead2e5a85314cc112806f8e446e78341bfc739b9df38ae24f1f57a3aca5e. 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/JPR501718727.
    date published: 2026-07-18T04:13:26Z
  audio: Because you are
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 134.949
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.565
    additional property: Energy
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      value: 0.777
    additional property: Speechiness
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    additional property: Acousticness
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SQ QUELL 「RESTART」 シリーズ③
type: MusicAlbum
date published: 2019-01-16

SQ QUELL 「RESTART」 シリーズ⑥
type: MusicAlbum
date published: 2019-04-26

SQ 「CARDS」シリーズ1巻 QUELL「CLUB」
type: MusicAlbum
date published: 2019-09-27
track: 水性のクローバー
  type: MusicRecording
  duration: PT5M14S
  duration ms: 314120
  explicit: false
  by artist: QUELL/和泉柊羽(CV:武内駿輔)、堀宮英知(CV:西山宏太朗)、久我壱星(CV:仲村宗悟)、久我壱流(CV:野上翔)
  in album: SQ 「CARDS」シリーズ1巻 QUELL「CLUB」
    type: MusicAlbum
    date published: 2019-09-27
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    value: registered
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    value: 2026-07-06T05:21:52+00:00
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    value: https://explorer.copyrightchains.com/tx/0xb79948ea826161e5e9bf80984e29021fa67b4749e2bfb5232402ecf5208f71af
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    type: PropertyValue
    value: 956894
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    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T07:53:57Z
  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 0xb79948ea826161e5e9bf80984e29021fa67b4749e2bfb5232402ecf5208f71af. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/JPR501928005.
    date published: 2026-07-06T07:53:57Z
  audio: 水性のクローバー
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 106.98
    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: 0.621
    additional property: Energy
      type: PropertyValue
      value: 0.679
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.519
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.634
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.868
    additional property: Key Name
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      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

SQ 「CARDS」シリーズ3巻 QUELL「HEART」
type: MusicAlbum
date published: 2020-07-31

『Dear Dreamer,』 (ver.QUELL)
type: MusicAlbum
date published: 2020-08-28

『TSUKIPRO THE ANIMATION 2』主題歌③ QUELL「YOUR FREEDOM」
type: MusicAlbum
date published: 2021-04-23

『Best Wishes,』 (ver.QUELL)
type: MusicAlbum
date published: 2023-03-31