Aki Chan
type: MusicGroup
popularity: 34
followers: 28647
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7baede92b5f414101b79c367700a940c5bbd2a85cf0634c11b168a64ae3ede68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cf5171e4-7a0b-424d-aad3-ec59d326f01e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/cf5171e4-7a0b-424d-aad3-ec59d326f01e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/cf5171e4-7a0b-424d-aad3-ec59d326f01e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7baede92b5f414101b79c367700a940c5bbd2a85cf0634c11b168a64ae3ede68","name":"Aki Chan","registered_at":"2026-06-12T10:11:27Z","symbol":"NIM0266130","token_address":"0xb2c4028e08fc4b7be926cfd81eb66785605b4ab6","type":"artist","uuid":"cf5171e4-7a0b-424d-aad3-ec59d326f01e"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7baede92b5f414101b79c367700a940c5bbd2a85cf0634c11b168a64ae3ede68. 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/cf5171e4-7a0b-424d-aad3-ec59d326f01e.json and https://artists.proofprofile.net/proofs/artist/cf5171e4-7a0b-424d-aad3-ec59d326f01e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x7baede92b5f414101b79c367700a940c5bbd2a85cf0634c11b168a64ae3ede68","name":"Aki Chan","registered_at":"2026-06-12T10:11:27Z","symbol":"NIM0266130","token_address":"0xb2c4028e08fc4b7be926cfd81eb66785605b4ab6","type":"artist","uuid":"cf5171e4-7a0b-424d-aad3-ec59d326f01e"}
album: ON
  type: MusicAlbum
  date published: 2020-07-03
album: Addict
  type: MusicAlbum
  date published: 2020-07-26
album: How You Like That
  type: MusicAlbum
  date published: 2020-07-30
  track: How You Like That
    type: MusicRecording
    duration: PT2M56S
    duration ms: 176000
    explicit: false
    by artist: Aki Chan
    in album: How You Like That
      type: MusicAlbum
      date published: 2020-07-30
    isrc code: QZK6P2024590
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T12:28:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9a03b767ee1cd48c5b9a8c070021a688fe916b4c2b14e94ed7614415dbabbb88
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2024590
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9a03b767ee1cd48c5b9a8c070021a688fe916b4c2b14e94ed7614415dbabbb88. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6P2024590.
      date published: 2026-07-05T18:48:28Z
    audio: How You Like That
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.993
      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: 0.666
      additional property: Energy
        type: PropertyValue
        value: 0.813
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.045
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.161
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.463
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.768
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: No más
  type: MusicAlbum
  date published: 2020-08-11
album: More & More
  type: MusicAlbum
  date published: 2020-08-15
album: Not Shy
  type: MusicAlbum
  date published: 2020-08-22
album: Ice Cream
  type: MusicAlbum
  date published: 2020-09-15
  track: Ice Cream
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175786
    explicit: false
    by artist: Aki Chan
    in album: Ice Cream
      type: MusicAlbum
      date published: 2020-09-15
    isrc code: QZK6H2075363
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T04:38:01+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa981c393a370e3c37bbce55bbf8c6cc1a1932f783fddbd4b72b83160eac8b622
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6H2075363
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa981c393a370e3c37bbce55bbf8c6cc1a1932f783fddbd4b72b83160eac8b622. 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/QZK6H2075363.
      date published: 2026-07-05T10:01:46Z
    audio: Ice Cream
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 160.074
      additional property: Musical Key
        type: PropertyValue
        value: 6
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.687
      additional property: Energy
        type: PropertyValue
        value: 0.79
      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: Dynamite
album: Lovesick Girls
album: I can't stop me
album: Villain
album: Shock
album: Kaikai Kitan
album: On the ground
album: Maria
album: Butter
album: CRY FOR FREE
album: Kpop covers en español 1
album: Anime al Español 1
album: Kpop al Español 2
album: Zankyou Sanka
album: Akuma no Ko
album: Kigeki
album: Pop!
album: Rojo
album: Backlight
album: Pink Venom
album: Time Left
album: Idol
album: Night Dancer Arrange
album: Lilith
album: Gods
album: Poison
album: El trato
album: Otonoke
album: APT
album: Some
album: Want you now
album: I can't fix you
album: How it's done
album: Free
album: On the way
album: Hana ni natte
album: Tunnel Vision Syndrome

Speechiness
type: PropertyValue
value: 0.06

Acousticness
type: PropertyValue
value: 0.199

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.106

Valence (Positivity)
type: PropertyValue
value: 0.783

Loudness (dB)
type: PropertyValue
value: -3.815

Key Name
type: PropertyValue
value: F#

Mode Name
type: PropertyValue
value: Minor

Dynamite
type: MusicAlbum
date published: 2020-10-07
track: Dynamite
  type: MusicRecording
  duration: PT3M17S
  duration ms: 197950
  explicit: false
  by artist: Aki Chan
  in album: Dynamite
    type: MusicAlbum
    date published: 2020-10-07
  isrc code: QZMEN2088477
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T09:27:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1a7f8a7a4c6e17552dc74de9d1e10d9c17ee15ad008b495d83cc8caf88554fe8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958716
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958716
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZMEN2088477
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T10:15:55Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a7f8a7a4c6e17552dc74de9d1e10d9c17ee15ad008b495d83cc8caf88554fe8. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZMEN2088477.
    date published: 2026-07-19T10:15:55Z
  audio: Dynamite
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.273
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.732
    additional property: Energy
      type: PropertyValue
      value: 0.761
    additional property: Speechiness
      type: PropertyValue
      value: 0.22
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.254
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.844
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.169
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Lovesick Girls
type: MusicAlbum
date published: 2020-11-02

I can't stop me
type: MusicAlbum
date published: 2020-11-28

Villain
type: MusicAlbum
date published: 2020-12-08
track: Villain
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198528
  explicit: false
  by artist: Aki Chan
  in album: Villain
    type: MusicAlbum
    date published: 2020-12-08
  isrc code: QZNWX2070704
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T19:35:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x836c603d7370e9068ca16fad8416c8547c1b45024f1d6354bf9112b6e9f0a5f6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957603
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957603
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWX2070704
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T20:26:17Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x836c603d7370e9068ca16fad8416c8547c1b45024f1d6354bf9112b6e9f0a5f6. Chain 2 (Bitcoin): anchored in block 957603 (2026-07-11T20:26:17Z), 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/QZNWX2070704.
    date published: 2026-07-11T20:26:17Z
  audio: Villain
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 159.813
    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: 0.662
    additional property: Energy
      type: PropertyValue
      value: 0.779
    additional property: Speechiness
      type: PropertyValue
      value: 0.136
    additional property: Acousticness
      type: PropertyValue
      value: 0.614
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.757
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.2
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Shock
type: MusicAlbum
date published: 2021-01-19

Kaikai Kitan
type: MusicAlbum
date published: 2021-02-26
track: Kaikai Kitan
  type: MusicRecording
  duration: PT3M37S
  duration ms: 217245
  explicit: false
  by artist: Aki Chan
  in album: Kaikai Kitan
    type: MusicAlbum
    date published: 2021-02-26
  isrc code: QZDA52195871
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T18:37:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4409a4c7186bd540723e7f8ce7b8f33de3d819ac1e5689263608ff210d63429f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958770
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958770
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52195871
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T19:26:13Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4409a4c7186bd540723e7f8ce7b8f33de3d819ac1e5689263608ff210d63429f. Chain 2 (Bitcoin): anchored in block 958770 (2026-07-19T19:26:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA52195871.
    date published: 2026-07-19T19:26:13Z
  audio: Kaikai Kitan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.357
    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: 0.565
    additional property: Energy
      type: PropertyValue
      value: 0.823
    additional property: Speechiness
      type: PropertyValue
      value: 0.053
    additional property: Acousticness
      type: PropertyValue
      value: 0.031
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.428
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.824
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.546
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

On the ground
type: MusicAlbum
date published: 2021-03-20

Maria
type: MusicAlbum
date published: 2021-03-31
track: Maria
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199505
  explicit: false
  by artist: Aki Chan
  in album: Maria
    type: MusicAlbum
    date published: 2021-03-31
  isrc code: QZES72126211
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T06:48:52+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x285c87a032f1a3280d37e9b9835fd0d21acbf30841289a868256d448a94b7a4d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958256
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958256
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72126211
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T07:22:18Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285c87a032f1a3280d37e9b9835fd0d21acbf30841289a868256d448a94b7a4d. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72126211.
    date published: 2026-07-16T07:22:18Z
  audio: Maria
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 128.974
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.63
    additional property: Energy
      type: PropertyValue
      value: 0.691
    additional property: Speechiness
      type: PropertyValue
      value: 0.055
    additional property: Acousticness
      type: PropertyValue
      value: 0.354
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.516
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.364
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Butter
type: MusicAlbum
date published: 2021-06-12

CRY FOR FREE
type: MusicAlbum
date published: 2021-07-06
track: Cry for me
  type: MusicRecording
  duration: PT3M12S
  duration ms: 192539
  explicit: false
  by artist: Aki Chan
  in album: CRY FOR FREE
    type: MusicAlbum
    date published: 2021-07-06
  isrc code: QZK6N2166480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T10:20:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa5aebc1fbf10febb775e530ce0cf7bfd506595ebb1dfd947d4cfb406c11a1a06
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958541
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958541
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2166480
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T11:37:54Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5aebc1fbf10febb775e530ce0cf7bfd506595ebb1dfd947d4cfb406c11a1a06. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6N2166480.
    date published: 2026-07-18T11:37:54Z
  audio: Cry for me
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.93
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.754
    additional property: Energy
      type: PropertyValue
      value: 0.832
    additional property: Speechiness
      type: PropertyValue
      value: 0.181
    additional property: Acousticness
      type: PropertyValue
      value: 0.158
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.129
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.663
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.783
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Kpop covers en español 1
type: MusicAlbum
date published: 2021-07-29

Anime al Español 1
type: MusicAlbum
date published: 2021-09-21
track: Inferno
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216967
  explicit: false
  by artist: Aki Chan
  in album: Anime al Español 1
    type: MusicAlbum
    date published: 2021-09-21
  isrc code: QZNWQ2142350
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T15:06:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7cfaac816584e367b86eb5e8f539e2b4b063a41a4f7f8d23a82ef59fb939aa45
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142350
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfaac816584e367b86eb5e8f539e2b4b063a41a4f7f8d23a82ef59fb939aa45. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142350.
    date published: 2026-07-05T18:48:28Z
  audio: Inferno
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.628
    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: 0.499
    additional property: Energy
      type: PropertyValue
      value: 0.912
    additional property: Speechiness
      type: PropertyValue
      value: 0.13
    additional property: Acousticness
      type: PropertyValue
      value: 0.028
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.155
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.618
    additional property: Loudness (dB)
      type: PropertyValue
      value: -3.352
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: One Last Kiss
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256719
  explicit: false
  by artist: Aki Chan
  in album: Anime al Español 1
    type: MusicAlbum
    date published: 2021-09-21
  isrc code: QZNWQ2142351
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T01:39:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf9d78a59494ed5fc689e04b4a577b2031b48433cdbd93aba2377b197d38155d9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959087
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959087
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142351
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T02:05:55Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9d78a59494ed5fc689e04b4a577b2031b48433cdbd93aba2377b197d38155d9. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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/QZNWQ2142351.
    date published: 2026-07-22T02:05:55Z
  audio: One Last Kiss
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 111.937
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.597
    additional property: Energy
      type: PropertyValue
      value: 0.538
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.781
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.139
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.466
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.877
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Prayer X
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195439
  explicit: false
  by artist: Aki Chan
  in album: Anime al Español 1
    type: MusicAlbum
    date published: 2021-09-21
  isrc code: QZNWQ2142352
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:51:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x389f1e847be89fd3a08b8ffe07850dd87ba7ddff3b2cb5b0fb692ab5b46c9081
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958667
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958667
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142352
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Prayer X
track: Summertime
track: Gurenge

OTSTimestamp
type: PropertyValue
value: 2026-07-19T05:04:54Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x389f1e847be89fd3a08b8ffe07850dd87ba7ddff3b2cb5b0fb692ab5b46c9081. Chain 2 (Bitcoin): anchored in block 958667 (2026-07-19T05:04:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142352.
date published: 2026-07-19T05:04:54Z

Prayer X
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 173.813
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: 0.453
additional property: Energy
  type: PropertyValue
  value: 0.589
additional property: Speechiness
  type: PropertyValue
  value: 0.066
additional property: Acousticness
  type: PropertyValue
  value: 0.124
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.12
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.323
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.041
additional property: Key Name
  type: PropertyValue
  value: C#
additional property: Mode Name
  type: PropertyValue
  value: Major

Summertime
type: MusicRecording
duration: PT4M8S
duration ms: 248174
explicit: false
by artist: Aki Chan
in album: Anime al Español 1
  type: MusicAlbum
  date published: 2021-09-21
isrc code: QZNWQ2142353
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:56:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7ec80c9591532d25a756c286344a79182dadd11167a0fa302aa6fddd2dba438c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142353
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ec80c9591532d25a756c286344a79182dadd11167a0fa302aa6fddd2dba438c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142353.
  date published: 2026-07-06T01:25:57Z
audio: Summertime
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.909
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.622
  additional property: Energy
    type: PropertyValue
    value: 0.813
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.046
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.871
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.775
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gurenge
type: MusicRecording
duration: PT3M53S
duration ms: 233871
explicit: false
by artist: Aki Chan
in album: Anime al Español 1
  type: MusicAlbum
  date published: 2021-09-21
isrc code: QZNWQ2142354
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T17:42:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe897026877236f65985dec481ff500657ea1afbd9c259f57c63852a6aeca21d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958917
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958917
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWQ2142354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T17:53:56Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe897026877236f65985dec481ff500657ea1afbd9c259f57c63852a6aeca21d7. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), 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/QZNWQ2142354.
  date published: 2026-07-20T17:53:56Z
audio: Gurenge
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.037
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.515
  additional property: Energy
    type: PropertyValue
    value: 0.868
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.038
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.443
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.548
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.884
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kpop al Español 2
type: MusicAlbum
date published: 2021-11-05
track: The Feels
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196500
  explicit: false
  by artist: Aki Chan
  in album: Kpop al Español 2
    type: MusicAlbum
    date published: 2021-11-05
  isrc code: QZNWY2108371
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T06:47:34+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1174893e5fc4e25477eee510d175589f9a7127bc9d587d9a328d86a43982ce3a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958980
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958980
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWY2108371
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T07:04:12Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1174893e5fc4e25477eee510d175589f9a7127bc9d587d9a328d86a43982ce3a. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/QZNWY2108371.
    date published: 2026-07-21T07:04:12Z
  audio: The Feels
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 120.074
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.759
    additional property: Energy
      type: PropertyValue
      value: 0.735
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.038
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.064
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.661
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.128
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Zankyou Sanka
type: MusicAlbum
date published: 2022-01-26

Akuma no Ko
type: MusicAlbum
date published: 2022-02-10
track: Akuma no Ko
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224809
  explicit: false
  by artist: Aki Chan
  in album: Akuma no Ko
    type: MusicAlbum
    date published: 2022-02-10
  isrc code: QZDA42252842
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T08:34:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x86b0dd26a4eac533317b62532afce8f444148cdbb727d86aeb3c375fe43978cb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958388
  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/QZDA42252842
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86b0dd26a4eac533317b62532afce8f444148cdbb727d86aeb3c375fe43978cb. 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/QZDA42252842.
    date published: 2026-07-17T09:14:21Z
  audio: Akuma no Ko
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.775
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.496
    additional property: Energy
      type: PropertyValue
      value: 0.658
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.196
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.39
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Kigeki
type: MusicAlbum
date published: 2022-05-15
track: Kigeki
  type: MusicRecording
  duration: PT3M52S
  duration ms: 232228
  explicit: false
  by artist: Aki Chan
  in album: Kigeki
    type: MusicAlbum
    date published: 2022-05-15
  isrc code: QZHNB2219620
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T09:53:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1dda1d480db430e78b0fe38cba9ae31e4af4efa7bad4150b3a7d0f2f59cdade8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2219620
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dda1d480db430e78b0fe38cba9ae31e4af4efa7bad4150b3a7d0f2f59cdade8. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2219620.
    date published: 2026-07-03T19:59:51Z
  audio: Kigeki
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 88.052
    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: 0.693
    additional property: Energy
      type: PropertyValue
      value: 0.546
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.341
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.276
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.785
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.248
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Pop!
type: MusicAlbum
date published: 2022-07-05

Rojo
type: MusicAlbum
date published: 2022-10-12
track: Rojo
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231897
  explicit: false
  by artist: Aki Chan
  in album: Rojo
    type: MusicAlbum
    date published: 2022-10-12
  isrc code: QZRP42282512
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T18:32:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x022900571da7b2ca0d4fc5e3f04998e26540967c935d8a2c5719cffedeb2db18
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958924
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958924
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZRP42282512
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T18:54:07Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x022900571da7b2ca0d4fc5e3f04998e26540967c935d8a2c5719cffedeb2db18. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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/QZRP42282512.
    date published: 2026-07-20T18:54:07Z
  audio: Rojo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 147.89
    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: 0.554
    additional property: Energy
      type: PropertyValue
      value: 0.688
    additional property: Speechiness
      type: PropertyValue
      value: 0.048
    additional property: Acousticness
      type: PropertyValue
      value: 0.049
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.322
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.874
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.003
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Backlight
type: MusicAlbum
date published: 2022-11-19
track: Backlight
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236826
  explicit: false
  by artist: Aki Chan
  in album: Backlight
    type: MusicAlbum
    date published: 2022-11-19
  isrc code: QZTB22264543
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:11:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc7a66fc44e5d09a01ab08d0d6680563deb46ab1607a3157ed8d89e60ac7caf1c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958054
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958054
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB22264543
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T19:33:24Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a66fc44e5d09a01ab08d0d6680563deb46ab1607a3157ed8d89e60ac7caf1c. Chain 2 (Bitcoin): anchored in block 958054 (2026-07-14T19:33:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTB22264543.
    date published: 2026-07-14T19:33:24Z
  audio: Backlight
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.97
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.556
    additional property: Energy
      type: PropertyValue
      value: 0.889
    additional property: Speechiness
      type: PropertyValue
      value: 0.093
    additional property: Acousticness
      type: PropertyValue
      value: 0
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.336
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.688
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.78
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Pink Venom
type: MusicAlbum
date published: 2023-01-16

Time Left
type: MusicAlbum
date published: 2023-03-18

Idol
type: MusicAlbum
date published: 2023-05-10

Night Dancer Arrange
type: MusicAlbum
date published: 2023-07-05

Lilith
type: MusicAlbum
date published: 2023-09-03
track: Lilith
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183066
  explicit: false
  by artist: Aki Chan
  in album: Lilith
    type: MusicAlbum
    date published: 2023-09-03
  isrc code: QZTAW2357435
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T17:03:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa79dda0dfb1474cd0a446a8eef1a1c87efd44b916a268ccc1f0725392cbca0be
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956576
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956576
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2357435
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T02:06:47Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa79dda0dfb1474cd0a446a8eef1a1c87efd44b916a268ccc1f0725392cbca0be. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTAW2357435.
    date published: 2026-07-04T02:06:47Z
  audio: Lilith
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.139
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.289
    additional property: Energy
      type: PropertyValue
      value: 0.523
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.327
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.417
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.211
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.781
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Gods
type: MusicAlbum
date published: 2023-11-30
track: Gods
  type: MusicRecording
  duration: PT3M46S
  duration ms: 226303
  explicit: false
  by artist: Aki Chan
  in album: Gods
    type: MusicAlbum
    date published: 2023-11-30
  isrc code: QZWFJ2394886
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T19:02:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x80364fc1ab96fdb4ce94e21a8fdc571f6d3e687166fc2be10f867a33a1245168
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958051
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958051
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFJ2394886
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T19:14:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80364fc1ab96fdb4ce94e21a8fdc571f6d3e687166fc2be10f867a33a1245168. Chain 2 (Bitcoin): anchored in block 958051 (2026-07-14T19:14:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFJ2394886.
    date published: 2026-07-14T19:14:42Z
  audio: Gods
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 146.011
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.593
    additional property: Energy
      type: PropertyValue
      value: 0.608
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.103
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.474
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.942
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Poison
type: MusicAlbum
date published: 2024-01-30
track: Poison
  type: MusicRecording
  duration: PT2M7S
  duration ms: 127200
  explicit: false
  by artist: Aki Chan
  in album: Poison
    type: MusicAlbum
    date published: 2024-01-30
  isrc code: QZDA42466990
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-11T20:24:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdd9718b397631ac4d1b8afee8939bb762235528f8d21423f42d3dd7d7e30ff31
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957608
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957608
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA42466990
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-11T21:00:50Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd9718b397631ac4d1b8afee8939bb762235528f8d21423f42d3dd7d7e30ff31. Chain 2 (Bitcoin): anchored in block 957608 (2026-07-11T21:00:50Z), 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/QZDA42466990.
    date published: 2026-07-11T21:00:50Z
  audio: Poison
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 75.03
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.588
    additional property: Energy
      type: PropertyValue
      value: 0.7
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.007
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.317
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.347
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.812
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

El trato
type: MusicAlbum
date published: 2024-03-17
track: El trato
  type: MusicRecording
  duration: PT2M1S
  duration ms: 121714
  explicit: true
  by artist: Aki Chan
  in album: El trato
    type: MusicAlbum
    date published: 2024-03-17
  isrc code: QZHN62493302
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T17:52:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x911fcd24734ab3d98677a9303532509fc309b78b515c2631b269bfd552124268
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959043
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959043
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHN62493302
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T18:40:26Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x911fcd24734ab3d98677a9303532509fc309b78b515c2631b269bfd552124268. Chain 2 (Bitcoin): anchored in block 959043 (2026-07-21T18:40:26Z), 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/QZHN62493302.
    date published: 2026-07-21T18:40:26Z
  audio: El trato
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.946
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.666
    additional property: Energy
      type: PropertyValue
      value: 0.586
    additional property: Speechiness
      type: PropertyValue
      value: 0.03
    additional property: Acousticness
      type: PropertyValue
      value: 0.749
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.175
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.96
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.653
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Otonoke
type: MusicAlbum
date published: 2024-10-16

APT
type: MusicAlbum
date published: 2024-11-02

Some
type: MusicAlbum
date published: 2024-11-21

Want you now
type: MusicAlbum
date published: 2025-02-12

Want you now
type: MusicAlbum
date published: 2025-02-14

I can't fix you
type: MusicAlbum
date published: 2025-04-26

How it's done
type: MusicAlbum
date published: 2025-06-27

Free
type: MusicAlbum
date published: 2025-08-15
track: Free
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186428
  explicit: false
  by artist: Aki Chan
  in album: Free
    type: MusicAlbum
    date published: 2025-08-15
  isrc code: QZZ782575220
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T01:28:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd078c74bbee8f646979eecce625e7ccea0369bbd550022dc2748eb03e28390b7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958480
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958480
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ782575220
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T02:58:58Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd078c74bbee8f646979eecce625e7ccea0369bbd550022dc2748eb03e28390b7. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ782575220.
    date published: 2026-07-18T02:58:58Z
  audio: Free
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 139.815
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.447
    additional property: Energy
      type: PropertyValue
      value: 0.643
    additional property: Speechiness
      type: PropertyValue
      value: 0.056
    additional property: Acousticness
      type: PropertyValue
      value: 0.35
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.061
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.43
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.502
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

On the way
type: MusicAlbum
date published: 2025-08-15

Hana ni natte
type: MusicAlbum
date published: 2025-08-15
track: Hana ni natte
  type: MusicRecording
  duration: PT3M19S
  duration ms: 199375
  explicit: false
  by artist: Aki Chan
  in album: Hana ni natte
    type: MusicAlbum
    date published: 2025-08-15
  isrc code: QZZ782575242
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T00:58:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbc224d67ae35adfa5d7ae9c2592fc88f7f7060c3a5594abc1677f190ef2e52b9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ782575242
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T01:26:56Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc224d67ae35adfa5d7ae9c2592fc88f7f7060c3a5594abc1677f190ef2e52b9. Chain 2 (Bitcoin): anchored in block 958476 (2026-07-18T01:26:56Z), 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/QZZ782575242.
    date published: 2026-07-18T01:26:56Z
  audio: Hana ni natte
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.997
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.649
    additional property: Energy
      type: PropertyValue
      value: 0.879
    additional property: Speechiness
      type: PropertyValue
      value: 0.111
    additional property: Acousticness
      type: PropertyValue
      value: 0.052
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.153
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.609
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.252
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Tunnel Vision Syndrome
type: MusicAlbum
date published: 2025-10-03