jij ~ Cat Jazz ~
type: MusicGroup
genre: jazz beats
popularity: 19
followers: 240
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x361794e8037128aa275c448a131033c4fb668f9d2dc857ddb18f52565b9f130e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953638
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3969e2d6-0473-4bb6-95d7-0f4bf80b09dc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3969e2d6-0473-4bb6-95d7-0f4bf80b09dc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3969e2d6-0473-4bb6-95d7-0f4bf80b09dc
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x361794e8037128aa275c448a131033c4fb668f9d2dc857ddb18f52565b9f130e. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3969e2d6-0473-4bb6-95d7-0f4bf80b09dc.json and https://artists.proofprofile.net/proofs/artist/3969e2d6-0473-4bb6-95d7-0f4bf80b09dc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
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album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
  track: Jazz Cat Session
    type: MusicRecording
    duration: PT1M27S
    duration ms: 87079
    explicit: false
    by artist: jij ~ Cat Jazz ~
    in album: Stray Cats' Jazz Night
      type: MusicAlbum
      date published: 2025-03-26
    genre: jazz beats
    isrc code: QZK6L2579909
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
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    additional property: CopyrightChainExplorerURL
      type: PropertyValue
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956894
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579909
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T07:53:57Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a0159e6952dbc294fc34fe458672258f1ae16d699e79c910cc23f91fe3b5da4. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579909.
      date published: 2026-07-06T07:53:57Z
    audio: Jazz Cat Session
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 77.002
      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: 0.758
      additional property: Energy
        type: PropertyValue
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      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.791
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.873
      additional property: Liveness
        type: PropertyValue
        value: 0.1
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.305
      additional property: Loudness (dB)
        type: PropertyValue
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      additional property: Key Name
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      additional property: Mode Name
        type: PropertyValue
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  track: Cats' Improvised Performance
    type: MusicRecording
    duration: PT2M6S
    duration ms: 126278
    explicit: false
    by artist: jij ~ Cat Jazz ~
    in album: Stray Cats' Jazz Night
      type: MusicAlbum
      date published: 2025-03-26
    genre: jazz beats
    isrc code: QZK6L2579910
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: CopyrightRegisteredAt
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    additional property: CopyrightChainExplorerURL
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    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956551
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579910
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T21:18:05Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x945f7c016525c1791cd8c99ac442d25623b76b8b55a35a6fc6ce2fa939247219. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579910.
      date published: 2026-07-03T21:18:05Z
    audio: Cats' Improvised Performance
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
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      additional property: Musical Key
        type: PropertyValue
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      additional property: Mode (Major/Minor)
        type: PropertyValue
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      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
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      additional property: Energy
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      additional property: Speechiness
        type: PropertyValue
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      additional property: Acousticness
        type: PropertyValue
        value: 0.836
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.813
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.392
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Meow Meow Jazz Festival
  track: Cat Blues Symphony
  track: Cats, Instruments, and Twilight
  track: Music for Cats
  track: Cats' Sound Trip
  track: A Night of Sax & Cats
album: 1. Cat Sounds Echoing in the Night Sky
album: Black Cats Sax Night
album: The Cool Cats Guitar & Trumpet Night
album: Smoky Black Cats & Deep Bass Night
album: Cool Cats & Hot Sax
album: Black Cats Sax & Guitar Night
album: Black Cats Guitar & Deep Bass Night
album: Black Cats Sax & Deep Bass Night
album: Black Cats Piano & Deep Bass Live
album: Black Cats Sax & Piano Night
album: Smoky Alley Cats Jazz Night
album: Black Cats Retro Piano & Deep Bass Live
album: Wild Black Cats & Deep Bass Groove Night Jazz
album: Groove Black Cats & Deep Bass Coffee Jazz Night
album: Black Cats & Deep Bass Mellow Jazz Night
album: Black Cats & Deep Bass Elegant Groove Jazz Night
album: Smoky Black Cats & Deep Bass Groove Jazz Lounge
album: Black Cats & Deep Bass Purrfect Jazz Night
album: Groove Black Cats Jazz Night (On the Road Again)
album: Stray Black Cats Piano & Deep Bass Night
album: Groove Black Cats Deep Bass & Sax Night
album: Cool Cats & Deep Bass
album: Cool Cats & Deep Bass Live
album: Smoky Black Cats & Cool Bass Night
album: Black Cats & Deep Bass Purrfect Groove Night
album: When you relax your mind, you can smile naturally.
album: Smoky Black Cats & Deep Bass Groove Night
album: Black Cats & Deep Bass Groove Jazz Lounge

Loudness (dB)
type: PropertyValue
value: -13.705

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Meow Meow Jazz Festival
type: MusicRecording
duration: PT2M19S
duration ms: 139723
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579913
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579913
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859cbc0758674446402f631d29728d6f88ec7c3f1192edb55a22a999ebd42f52. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579913.
  date published: 2026-07-18T12:14:37Z
audio: Meow Meow Jazz Festival
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.085
  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: 0.669
  additional property: Energy
    type: PropertyValue
    value: 0.163
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.857
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.946
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.568
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.65
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Cat Blues Symphony
type: MusicRecording
duration: PT2M36S
duration ms: 156049
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579914
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T13:06:33+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579914
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T16:08:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd29bb5363f7c7e2cfc16f1b8f87059790fa9f962fd834215ff5a6814912d5c57. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T16:08:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579914.
  date published: 2026-07-19T16:08:00Z
audio: Cat Blues Symphony
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Cats, Instruments, and Twilight
type: MusicRecording
duration: PT1M47S
duration ms: 107506
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579918
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579918
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9436e712bc6c90867d1f87afc606f47b17485308113cd8ff266b3de25a465942. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579918.
  date published: 2026-07-06T01:26:17Z
audio: Cats, Instruments, and Twilight
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.833
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Music for Cats
type: MusicRecording
duration: PT2M40S
duration ms: 160462
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579919
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579919
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7600dce3c84e5f571f348bb404aa2ca4ad00fdd6b04307ba79e6b80c58b026f0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579919.
  date published: 2026-07-04T11:19:20Z
audio: Music for Cats
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 73.989
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.804
  additional property: Energy
    type: PropertyValue
    value: 0.245
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.891
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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Cats' Sound Trip
type: MusicRecording
duration: PT3M1S
duration ms: 181999
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579923
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x87f31116efa6b9a1db777cccdf4171def022aa59b0f04071d9fe22e2993572fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579923
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87f31116efa6b9a1db777cccdf4171def022aa59b0f04071d9fe22e2993572fd. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579923.
  date published: 2026-07-04T23:03:25Z
audio: Cats' Sound Trip
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.454
  additional property: Energy
    type: PropertyValue
    value: 0.241
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.759
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.759
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.538
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.152
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
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A Night of Sax & Cats
type: MusicRecording
duration: PT2M6S
duration ms: 126502
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Stray Cats' Jazz Night
  type: MusicAlbum
  date published: 2025-03-26
genre: jazz beats
isrc code: QZK6L2579928
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956790
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579928
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T12:31:54Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cad4d6d78e8910be391b2328e895e2574a7102d46668342a88cb268c9534b29. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6L2579928.
  date published: 2026-07-05T12:31:54Z
audio: A Night of Sax & Cats
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.416
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.703
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.06
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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1. Cat Sounds Echoing in the Night Sky
type: MusicAlbum
date published: 2025-03-26

Black Cats Sax Night
type: MusicAlbum
date published: 2025-03-27

The Cool Cats Guitar & Trumpet Night
type: MusicAlbum
date published: 2025-03-27

Smoky Black Cats & Deep Bass Night
type: MusicAlbum
date published: 2025-03-27
track: Jazz for the Stray Soul
  type: MusicRecording
  duration: PT4M2S
  duration ms: 242315
  explicit: false
  by artist: jij ~ Cat Jazz ~
  in album: Smoky Black Cats & Deep Bass Night
    type: MusicAlbum
    date published: 2025-03-27
  genre: jazz beats
  isrc code: QZK6K2518864
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958461
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518864
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T23:18:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3569b646b9357d20673190124e737a095344e1428e9c4f78d0fdbd5d6c894cd7. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518864.
    date published: 2026-07-17T23:18:11Z
  audio: Jazz for the Stray Soul
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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: 0.663
    additional property: Energy
      type: PropertyValue
      value: 0.477
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.053
    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
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    additional property: Key Name
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      value: Ab
    additional property: Mode Name
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track: Lazy Groove Ensemble
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220358
  explicit: false
  by artist: jij ~ Cat Jazz ~
  in album: Smoky Black Cats & Deep Bass Night
    type: MusicAlbum
    date published: 2025-03-27
  genre: jazz beats
  isrc code: QZK6K2518865
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9e28e7f0b56de79caf814c96bf5a11baa64de90834b6f2eb49dd743eae3e70ab
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958448
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518865
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e28e7f0b56de79caf814c96bf5a11baa64de90834b6f2eb49dd743eae3e70ab. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZK6K2518865.
    date published: 2026-07-17T19:49:21Z
  audio: Lazy Groove Ensemble
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.801
    additional property: Energy
      type: PropertyValue
      value: 0.4
    additional property: Speechiness
      type: PropertyValue
      value: 0.073
    additional property: Acousticness
      type: PropertyValue
      value: 0.38
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.781
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.148
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.237
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Smoky Rhythm
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98752
  explicit: false
  by artist: jij ~ Cat Jazz ~
  in album: Smoky Black Cats & Deep Bass Night
    type: MusicAlbum
    date published: 2025-03-27
  genre: jazz beats
  isrc code: QZK6K2518867
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x03cb9abfb285e2a03660ed00cff34f8da703983abc49c7a536b7359858351054
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958316
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Smoky Rhythm
track: The Velvet Groove
track: Lounge Noir
track: Night Paws Jam

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518867

OTSTimestamp
type: PropertyValue
value: 2026-07-16T19:42:29Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03cb9abfb285e2a03660ed00cff34f8da703983abc49c7a536b7359858351054. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/QZK6K2518867.
date published: 2026-07-16T19:42:29Z

Smoky Rhythm
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 81.71
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.589
additional property: Energy
  type: PropertyValue
  value: 0.451
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.572
additional property: Instrumentalness
  type: PropertyValue
  value: 0.864
additional property: Liveness
  type: PropertyValue
  value: 0.179
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.345
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.897
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

The Velvet Groove
type: MusicRecording
duration: PT3M0S
duration ms: 180399
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Smoky Black Cats & Deep Bass Night
  type: MusicAlbum
  date published: 2025-03-27
genre: jazz beats
isrc code: QZK6K2518869
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T16:34:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x411cfbed4d896bdaf53c5be7bcf9fb3a110a0e65512528088c11a28e21658982
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958582
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518869
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x411cfbed4d896bdaf53c5be7bcf9fb3a110a0e65512528088c11a28e21658982. Chain 2 (Bitcoin): anchored in block 958582 (2026-07-18T16:47:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518869.
  date published: 2026-07-18T16:47:25Z
audio: The Velvet Groove
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Lounge Noir
type: MusicRecording
duration: PT2M52S
duration ms: 172239
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Smoky Black Cats & Deep Bass Night
  type: MusicAlbum
  date published: 2025-03-27
genre: jazz beats
isrc code: QZK6K2518870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00e138cc48ba6dde17c597f5db39cf452ff11a112e0b6cbce83fc2b38267380e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958461
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518870
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00e138cc48ba6dde17c597f5db39cf452ff11a112e0b6cbce83fc2b38267380e. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518870.
  date published: 2026-07-17T23:18:11Z
audio: Lounge Noir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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Night Paws Jam
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duration ms: 253321
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by artist: jij ~ Cat Jazz ~
in album: Smoky Black Cats & Deep Bass Night
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genre: jazz beats
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26e1a29abbffaee03a9a9a9b1bd26da20449d66e61c38d51f25cb55b8deccb50. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6K2518875.
  date published: 2026-07-18T19:27:02Z
audio: Night Paws Jam
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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Cool Cats & Hot Sax
type: MusicAlbum
date published: 2025-03-27
track: Lost City Jazz Club
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    type: MusicAlbum
    date published: 2025-03-27
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56f89d6ab2c158d2617a33b982279c4dadc531e41c01309e5d69328fc2bbbbfe. 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/QZK6K2504739.
    date published: 2026-07-06T01:25:57Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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track: The Meowtown Jazz Collective
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68fa88dd210ac5cde0cdc3c7482bb82be4c1aed316c7924295e59bbf52ddcf2a. 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/QZK6K2504740.
    date published: 2026-07-06T01:25:57Z
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Black Cats Sax & Guitar Night
type: MusicAlbum
date published: 2025-03-27

Black Cats Guitar & Deep Bass Night
type: MusicAlbum
date published: 2025-03-28

Black Cats Sax & Deep Bass Night
type: MusicAlbum
date published: 2025-03-28

Black Cats Piano & Deep Bass Live
type: MusicAlbum
date published: 2025-03-28

Black Cats Sax & Piano Night
type: MusicAlbum
date published: 2025-04-12
track: Feline Jazz Night
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  by artist: jij ~ Cat Jazz ~
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    type: MusicAlbum
    date published: 2025-04-12
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-06T06:56:49Z
  audio: Feline Jazz Night
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    additional property: Mode (Major/Minor)
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Smoky Alley Cats Jazz Night
type: MusicAlbum
date published: 2025-04-27

Black Cats Retro Piano & Deep Bass Live
type: MusicAlbum
date published: 2025-05-04

Wild Black Cats & Deep Bass Groove Night Jazz
type: MusicAlbum
date published: 2025-05-11

Groove Black Cats & Deep Bass Coffee Jazz Night
type: MusicAlbum
date published: 2025-05-11

Black Cats & Deep Bass Mellow Jazz Night
type: MusicAlbum
date published: 2025-05-12

Black Cats & Deep Bass Elegant Groove Jazz Night
type: MusicAlbum
date published: 2025-05-14

Smoky Black Cats & Deep Bass Groove Jazz Lounge
type: MusicAlbum
date published: 2025-06-06

Black Cats & Deep Bass Purrfect Jazz Night
type: MusicAlbum
date published: 2025-06-06

Groove Black Cats Jazz Night (On the Road Again)
type: MusicAlbum
date published: 2025-06-10

Stray Black Cats Piano & Deep Bass Night
type: MusicAlbum
date published: 2025-07-31

Groove Black Cats Deep Bass & Sax Night
type: MusicAlbum
date published: 2025-07-31

Cool Cats & Deep Bass
type: MusicAlbum
date published: 2025-08-08

Cool Cats & Deep Bass Live
type: MusicAlbum
date published: 2025-08-09

Smoky Black Cats & Cool Bass Night
type: MusicAlbum
date published: 2025-08-23

Black Cats & Deep Bass Purrfect Groove Night
type: MusicAlbum
date published: 2025-09-11
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T10:01:46Z
  audio: Black Cat Rhythm
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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track: Smoky Alley Cats
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-20T07:50:33Z
  audio: Smoky Alley Cats
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Black Tie Swing
track: Cool Cats Jam
track: Meow in Blue
track: Feline Noir
track: Moonlight Cats
track: Catwalk Swing
track: Cool Tones & Cat

OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x44375c0af8e1a9debac658ea1fbc29d2d5009df05b4079ae61a4c0b8da5fb67a. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575031.
date published: 2026-07-05T10:59:37Z

Black Tie Swing
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 87.168
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: 0.598
additional property: Energy
  type: PropertyValue
  value: 0.366
additional property: Speechiness
  type: PropertyValue
  value: 0.072
additional property: Acousticness
  type: PropertyValue
  value: 0.068
additional property: Instrumentalness
  type: PropertyValue
  value: 0.897
additional property: Liveness
  type: PropertyValue
  value: 0.104
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.383
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.357
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Cool Cats Jam
type: MusicRecording
duration: PT3M23S
duration ms: 203635
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T04:14:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc8d52c1b06c6098a6c8fc5ed74d973dd7c9b22b9fc30b3709ffe73b0886b3a5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8d52c1b06c6098a6c8fc5ed74d973dd7c9b22b9fc30b3709ffe73b0886b3a5c. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575032.
  date published: 2026-07-06T07:53:57Z
audio: Cool Cats Jam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.687
  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: 0.793
  additional property: Energy
    type: PropertyValue
    value: 0.282
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.07
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.777
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.411
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.663
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Meow in Blue
type: MusicRecording
duration: PT2M22S
duration ms: 142027
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575033
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T10:24:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7de2e4d5d3e072a6f59b7f45b75928da71dc50735637181866feaa67094add9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958870
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958870
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575033
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T13:26:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de2e4d5d3e072a6f59b7f45b75928da71dc50735637181866feaa67094add9f. Chain 2 (Bitcoin): anchored in block 958870 (2026-07-20T13:26:58Z), 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/QZZ7U2575033.
  date published: 2026-07-20T13:26:58Z
audio: Meow in Blue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.977
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.769
  additional property: Energy
    type: PropertyValue
    value: 0.311
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.095
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.598
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.367
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.273
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Feline Noir
type: MusicRecording
duration: PT2M14S
duration ms: 134492
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575034
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T17:56:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1652ed36998f6dd32519e55190eb0cbf5e2d6ef6edbd999976f8e231745a176a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958765
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958765
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575034
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T20:59:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1652ed36998f6dd32519e55190eb0cbf5e2d6ef6edbd999976f8e231745a176a. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T20:59:13Z), 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/QZZ7U2575034.
  date published: 2026-07-19T20:59:13Z
audio: Feline Noir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.962
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.731
  additional property: Energy
    type: PropertyValue
    value: 0.342
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.084
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.263
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.11
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Moonlight Cats
type: MusicRecording
duration: PT2M35S
duration ms: 155513
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575036
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T07:41:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1b56313e0a26fc14183880971512bf627ed67472200ce1904b42a720df0bd003
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956776
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956776
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575036
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T10:59:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b56313e0a26fc14183880971512bf627ed67472200ce1904b42a720df0bd003. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575036.
  date published: 2026-07-05T10:59:37Z
audio: Moonlight Cats
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 161.649
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.554
  additional property: Energy
    type: PropertyValue
    value: 0.319
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.032
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
    value: 0.086
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.819
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.327
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Catwalk Swing
type: MusicRecording
duration: PT2M32S
duration ms: 152086
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575037
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T05:29:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70953314df4855dfbbe4d0221c257fc62dcc88ecd132d337c8963c2fd4b4e123
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958832
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958832
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T08:31:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70953314df4855dfbbe4d0221c257fc62dcc88ecd132d337c8963c2fd4b4e123. Chain 2 (Bitcoin): anchored in block 958832 (2026-07-20T08:31:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575037.
  date published: 2026-07-20T08:31:48Z
audio: Catwalk Swing
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 177.967
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.752
  additional property: Energy
    type: PropertyValue
    value: 0.475
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.255
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.914
  additional property: Liveness
    type: PropertyValue
    value: 0.091
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.591
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.926
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Cool Tones & Cat
type: MusicRecording
duration: PT2M51S
duration ms: 171954
explicit: false
by artist: jij ~ Cat Jazz ~
in album: Black Cats & Deep Bass Purrfect Groove Night
  type: MusicAlbum
  date published: 2025-09-11
genre: jazz beats
isrc code: QZZ7U2575039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T08:55:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fd05b12a745551861e76342c3edb9fe9d7dd8e5f6b2964bad08d5094f4de0bb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958853
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958853
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7U2575039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:58:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fd05b12a745551861e76342c3edb9fe9d7dd8e5f6b2964bad08d5094f4de0bb. Chain 2 (Bitcoin): anchored in block 958853 (2026-07-20T11:58:50Z), 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/QZZ7U2575039.
  date published: 2026-07-20T11:58:50Z
audio: Cool Tones & Cat
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.962
  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: 0.662
  additional property: Energy
    type: PropertyValue
    value: 0.31
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.071
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.66
  additional property: Liveness
    type: PropertyValue
    value: 0.311
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.342
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.306
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

When you relax your mind, you can smile naturally.
type: MusicAlbum
date published: 2025-09-19

Smoky Black Cats & Deep Bass Groove Night
type: MusicAlbum
date published: 2025-10-30

Black Cats & Deep Bass Groove Jazz Lounge
type: MusicAlbum
date published: 2025-11-07