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type: MusicGroup
genre: j-dance
popularity: 28
followers: 3555
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  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
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  date published: 2026-06-12T19:24:56Z
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album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
  track: Warm-Up Rag 4/4: That Demon Rag
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    in album: Music for Ballet Class: Dance With Margot, Vol. 8
      type: MusicAlbum
      date published: 2013-12-02
    genre: j-dance
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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 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
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb48bc04c3ef62530a592e1845437c0499392dae4b77410ee41a27dc3faac50fe. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T01:47:42Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340208 — a six-check JSON result.
      date published: 2026-07-17T01:47:42Z
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  track: Pliés 4/4: I've Got You Under My Skin (From "Born to Dance")
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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 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
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      date published: 2026-07-14T22:45:25Z
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  track: Battements Tendus 3/4: Are You Lonesome Tonight?
  track: Battements Glissés 6/8: The Band Played On
  track: Quick Jetés in First 2/4: Rigoletto, Act I, Scene I - The Ball Scene
  track: Battement Fondu, Tango 4/4: None but the Lonely Heart, Op. 6
  track: Ronds De Jambe En L'air 3/4: Waltz for Peppy (From "The Artist")
  track: Battements Frappés 4/4: Two Ladies (Cabaret) (From "Cabaret")
  track: Adage 3/4: Intermezzo (From "Intermezzo: A Love Story")
  track: Petits Battements 2/4: Piano Sonata No. 11 in A Major, K. 331: III. Rondo Alla Turca
  track: Grands Battements 3/4: La Traviata, Act II, Scene II - Chorus of Spanish Matadors
  track: Grands Battements 4/4: Rhapsody in Blue
  track: Stretch 4/4: The Dream of Olwen (From "While I Live")
  track: Rises 3/4: I'll See You Again (From "Bitter Sweet")
  track: Echappés 2/4: The Favorite
  track: Piqués On a Mazurka 3/4: 2nd Mazurka in G Major, Op. 7
  track: Lyrical Waltz 3/4: Waltz of My Heart (From "The Dancing Years")
  track: Battements Tendus & Pirouettes 4/4: Aint Misbehavin
  track: Battements Jetés 4/4: Young and Healthy (From "42nd Street")
  track: Adage 6/8: L'elisir D'amore, Act II - Romanza
  track: Pirouettes, 2 Waltzes 3/4: Charade (From "Charade") / June Bride [From "Seven Brides for Seven Brothers"]
  track: Chainés 2/4: Les Toreadors
  track: Sautés 6/8: Invitaiton to the Waltz, Op. 65
  track: Petit Allegro 2/4: Honey Rag
  track: Assemblés 4/4: A Room in Bloomsbury (From "The Boyfriend")
  track: Glissades/Quicker Allegro 4/4: Tico Tico
  track: Sissonnes/ Medium Jumps 3/4: Il Bacio
  track: Coda: Turns from the Corner 2/4: Jernbane-Galop, Op. 12
  track: Fouettés 2/4: Jernbane-Galop, Op. 12
  track: Port De Bras 3/4: At the Ballet (From "A Chorus Line")

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Battements Tendus 3/4: Are You Lonesome Tonight?
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by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
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  date published: 2013-12-02
genre: j-dance
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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 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
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  date published: 2026-07-03T08:56:35Z
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Battements Glissés 6/8: The Band Played On
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in album: Music for Ballet Class: Dance With Margot, Vol. 8
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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 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
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  date published: 2026-07-12T20:41:42Z
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Quick Jetés in First 2/4: Rigoletto, Act I, Scene I - The Ball Scene
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genre: j-dance
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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 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
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  date published: 2026-07-18T11:37:54Z
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Battement Fondu, Tango 4/4: None but the Lonely Heart, Op. 6
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0dd1fefc2820dbf79dea01ce0497c1e98403ddb7ce00be5819b95f3de0d8ec56
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/USX9P1340217
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 0x0dd1fefc2820dbf79dea01ce0497c1e98403ddb7ce00be5819b95f3de0d8ec56. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340217 — a six-check JSON result.
  date published: 2026-07-03T19:59:51Z
audio: Battement Fondu, Tango 4/4: None but the Lonely Heart, Op. 6
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.781
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.527
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.996
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.929
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.366
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.643
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ronds De Jambe En L'air 3/4: Waltz for Peppy (From "The Artist")
type: MusicRecording
duration: PT1M41S
duration ms: 101000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T03:17:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd36d3e0c1749c52d92ca21dc70a056cdf15865a8c7f3d72e2ddcb9e04bc18e26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958484
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958484
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T03:34:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd36d3e0c1749c52d92ca21dc70a056cdf15865a8c7f3d72e2ddcb9e04bc18e26. Chain 2 (Bitcoin): anchored in block 958484 (2026-07-18T03:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340218 — a six-check JSON result.
  date published: 2026-07-18T03:34:53Z
audio: Ronds De Jambe En L'air 3/4: Waltz for Peppy (From "The Artist")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.594
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.432
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.531
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Battements Frappés 4/4: Two Ladies (Cabaret) (From "Cabaret")
type: MusicRecording
duration: PT0M55S
duration ms: 55840
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T06:53:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6c4b687d751fc271253e0d26f87802b15fe4c5e6e3e0b3867095cdfb5dbc933
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/USX9P1340219
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 0xe6c4b687d751fc271253e0d26f87802b15fe4c5e6e3e0b3867095cdfb5dbc933. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340219 — a six-check JSON result.
  date published: 2026-07-16T07:22:18Z
audio: Battements Frappés 4/4: Two Ladies (Cabaret) (From "Cabaret")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.172
  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: 0.561
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.32
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.048
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adage 3/4: Intermezzo (From "Intermezzo: A Love Story")
type: MusicRecording
duration: PT1M22S
duration ms: 82000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T03:46:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x78244f1c60043472fcd7fc69b6faac29a626c84bbfe20dba3470c4586f60add0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958238
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958238
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T04:30:31Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x78244f1c60043472fcd7fc69b6faac29a626c84bbfe20dba3470c4586f60add0. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340220 — a six-check JSON result.
  date published: 2026-07-16T04:30:31Z
audio: Adage 3/4: Intermezzo (From "Intermezzo: A Love Story")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.79
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.379
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.885
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.261
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.105
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Petits Battements 2/4: Piano Sonata No. 11 in A Major, K. 331: III. Rondo Alla Turca
type: MusicRecording
duration: PT0M59S
duration ms: 59000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T23:23:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaeac6b7028dac35a610eff0a18b4100db382757f46ef54ce93f0c12ff159300e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340221
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xaeac6b7028dac35a610eff0a18b4100db382757f46ef54ce93f0c12ff159300e. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340221 — a six-check JSON result.
  date published: 2026-07-05T01:43:49Z
audio: Petits Battements 2/4: Piano Sonata No. 11 in A Major, K. 331: III. Rondo Alla Turca
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.741
  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: 0.666
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.11
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.941
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.489
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.647
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Grands Battements 3/4: La Traviata, Act II, Scene II - Chorus of Spanish Matadors
type: MusicRecording
duration: PT1M3S
duration ms: 63000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T14:38:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3ac5465ef01df4bbb276ef54d8df3a03472340ec7ebda87b06793b03a982419a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340223
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T16:21:50Z
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 0x3ac5465ef01df4bbb276ef54d8df3a03472340ec7ebda87b06793b03a982419a. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340223 — a six-check JSON result.
  date published: 2026-07-15T16:21:50Z
audio: Grands Battements 3/4: La Traviata, Act II, Scene II - Chorus of Spanish Matadors
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.724
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.753
  additional property: Energy
    type: PropertyValue
    value: 0.351
  additional property: Speechiness
    type: PropertyValue
    value: 0.24
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.95
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.308
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.769
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Grands Battements 4/4: Rhapsody in Blue
type: MusicRecording
duration: PT1M13S
duration ms: 73626
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340224
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T22:58:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99eab72699ea44f0c3b273f39d7f1040c74700e094f6ec2645cf574d15b5cf26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958079
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958079
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340224
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T00:21:05Z
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 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 0x99eab72699ea44f0c3b273f39d7f1040c74700e094f6ec2645cf574d15b5cf26. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340224 — a six-check JSON result.
  date published: 2026-07-15T00:21:05Z
audio: Grands Battements 4/4: Rhapsody in Blue
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.871
  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: 0.654
  additional property: Energy
    type: PropertyValue
    value: 0.467
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.864
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.675
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.546
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Stretch 4/4: The Dream of Olwen (From "While I Live")
type: MusicRecording
duration: PT3M19S
duration ms: 199000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340225
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T14:58:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25aef9b999975ec14a78aa4013ce2b00d23333cb43ccec654297a8c9787c48e9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958567
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958567
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340225
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T15:22:40Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x25aef9b999975ec14a78aa4013ce2b00d23333cb43ccec654297a8c9787c48e9. Chain 2 (Bitcoin): anchored in block 958567 (2026-07-18T15:22:40Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340225 — a six-check JSON result.
  date published: 2026-07-18T15:22:40Z
audio: Stretch 4/4: The Dream of Olwen (From "While I Live")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 83.057
  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: 0.386
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.555
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Rises 3/4: I'll See You Again (From "Bitter Sweet")
type: MusicRecording
duration: PT2M4S
duration ms: 124693
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340226
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T12:59:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a65048deb0376d73c096df29d5fa1658418de4a210f58358349eae3260d0379
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958738
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/USX9P1340226
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T13:10:36Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x3a65048deb0376d73c096df29d5fa1658418de4a210f58358349eae3260d0379. Chain 2 (Bitcoin): anchored in block 958738 (2026-07-19T13:10:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340226 — a six-check JSON result.
  date published: 2026-07-19T13:10:36Z
audio: Rises 3/4: I'll See You Again (From "Bitter Sweet")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.164
  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: 0.524
  additional property: Energy
    type: PropertyValue
    value: 0.187
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.871
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.274
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.23
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Echappés 2/4: The Favorite
type: MusicRecording
duration: PT0M57S
duration ms: 57253
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T08:55:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbaa7e0e0016c5ca9b0b016410c8d99070b31db9cfc18a3878705fd4755359126
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956482
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956482
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340228
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T10:33:57Z
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 0xbaa7e0e0016c5ca9b0b016410c8d99070b31db9cfc18a3878705fd4755359126. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340228 — a six-check JSON result.
  date published: 2026-07-03T10:33:57Z
audio: Echappés 2/4: The Favorite
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.593
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.47
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.125
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.951
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.968
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.882
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Piqués On a Mazurka 3/4: 2nd Mazurka in G Major, Op. 7
type: MusicRecording
duration: PT1M33S
duration ms: 93760
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T02:21:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x57540a1617e0e9c73eaada1b49f74a2b789cf0018e075dc2508f42daea6a95e0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956891
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x57540a1617e0e9c73eaada1b49f74a2b789cf0018e075dc2508f42daea6a95e0. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340229 — a six-check JSON result.
  date published: 2026-07-06T07:16:32Z
audio: Piqués On a Mazurka 3/4: 2nd Mazurka in G Major, Op. 7
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.948
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.578
  additional property: Energy
    type: PropertyValue
    value: 0.147
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.778
  additional property: Liveness
    type: PropertyValue
    value: 0.071
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.831
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.48
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lyrical Waltz 3/4: Waltz of My Heart (From "The Dancing Years")
type: MusicRecording
duration: PT1M45S
duration ms: 105760
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:26:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5efeb6e071c783a5e0c2bc8aa54eed140edb4895f3a33ecb1f70997e45103dfc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340231
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x5efeb6e071c783a5e0c2bc8aa54eed140edb4895f3a33ecb1f70997e45103dfc. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340231 — a six-check JSON result.
  date published: 2026-07-04T10:04:33Z
audio: Lyrical Waltz 3/4: Waltz of My Heart (From "The Dancing Years")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 64.996
  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: 0.517
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.885
  additional property: Liveness
    type: PropertyValue
    value: 0.121
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.298
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.404
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Battements Tendus & Pirouettes 4/4: Aint Misbehavin
type: MusicRecording
duration: PT2M15S
duration ms: 135000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T04:38:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4e8b10ddcaa2706e36e6705f4648fe325d9ebe5481a41a4b8a8c030ce8cfc31
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958498
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958498
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340233
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:54:58Z
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 0xa4e8b10ddcaa2706e36e6705f4648fe325d9ebe5481a41a4b8a8c030ce8cfc31. Chain 2 (Bitcoin): anchored in block 958498 (2026-07-18T04:54:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340233 — a six-check JSON result.
  date published: 2026-07-18T04:54:58Z
audio: Battements Tendus & Pirouettes 4/4: Aint Misbehavin
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.98
  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: 0.493
  additional property: Energy
    type: PropertyValue
    value: 0.308
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.79
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.716
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.154
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Battements Jetés 4/4: Young and Healthy (From "42nd Street")
type: MusicRecording
duration: PT0M51S
duration ms: 51653
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T00:41:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x792983569857cee11963cdf1ccec0f3204310d63040eec6d60d1713423c4b73b
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/USX9P1340234
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 0x792983569857cee11963cdf1ccec0f3204310d63040eec6d60d1713423c4b73b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340234 — a six-check JSON result.
  date published: 2026-07-22T02:05:55Z
audio: Battements Jetés 4/4: Young and Healthy (From "42nd Street")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 179.883
  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: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.159
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.427
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adage 6/8: L'elisir D'amore, Act II - Romanza
type: MusicRecording
duration: PT2M9S
duration ms: 129000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340235
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T20:15:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76f6597a19330faefc076cf5ea93a99a77a1de1ce800c9fa7917d65cd3c0d1b9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340235
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T21:28:36Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x76f6597a19330faefc076cf5ea93a99a77a1de1ce800c9fa7917d65cd3c0d1b9. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340235 — a six-check JSON result.
  date published: 2026-07-17T21:28:36Z
audio: Adage 6/8: L'elisir D'amore, Act II - Romanza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.085
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.918
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.082
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.042
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pirouettes, 2 Waltzes 3/4: Charade (From "Charade") / June Bride [From "Seven Brides for Seven Brothers"]
type: MusicRecording
duration: PT2M11S
duration ms: 131000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340239
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T03:50:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5320e8eec74d5cf525e7e1640f3acb227cdfe970d6a067197d941c50bddc7f64
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/USX9P1340239
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 0x5320e8eec74d5cf525e7e1640f3acb227cdfe970d6a067197d941c50bddc7f64. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340239 — a six-check JSON result.
  date published: 2026-07-05T10:01:46Z
audio: Pirouettes, 2 Waltzes 3/4: Charade (From "Charade") / June Bride [From "Seven Brides for Seven Brothers"]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.655
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.895
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.437
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.118
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Chainés 2/4: Les Toreadors
type: MusicRecording
duration: PT1M21S
duration ms: 81000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T23:46:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6203f8e19f2e95d7e9d6ff89a272fd6cba777df8df56afa4e25c93cab263891b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958942
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958942
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T00:24:07Z
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 0x6203f8e19f2e95d7e9d6ff89a272fd6cba777df8df56afa4e25c93cab263891b. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340240 — a six-check JSON result.
  date published: 2026-07-21T00:24:07Z
audio: Chainés 2/4: Les Toreadors
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.317
  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: 0.681
  additional property: Energy
    type: PropertyValue
    value: 0.184
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.828
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.883
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.384
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Sautés 6/8: Invitaiton to the Waltz, Op. 65
type: MusicRecording
duration: PT0M46S
duration ms: 46506
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340243
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T19:54:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x51556e1e8480fad2026f1e395a9c15898dcd898e7073c5314d543e6e3bd9542b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340243
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T21:28:36Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x51556e1e8480fad2026f1e395a9c15898dcd898e7073c5314d543e6e3bd9542b. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340243 — a six-check JSON result.
  date published: 2026-07-17T21:28:36Z
audio: Sautés 6/8: Invitaiton to the Waltz, Op. 65
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.348
  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: 0.48
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.086
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.838
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.384
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.104
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Petit Allegro 2/4: Honey Rag
type: MusicRecording
duration: PT1M36S
duration ms: 96506
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340244
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T23:32:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bbc7c9452d9df53b9a864a7499d5f913cf7670405541c60479a837b2fec04c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958796
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958796
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340244
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T00:01:46Z
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 0x1bbc7c9452d9df53b9a864a7499d5f913cf7670405541c60479a837b2fec04c6. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T00:01:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340244 — a six-check JSON result.
  date published: 2026-07-20T00:01:46Z
audio: Petit Allegro 2/4: Honey Rag
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 179.142
  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: 0.42
  additional property: Energy
    type: PropertyValue
    value: 0.406
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.901
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.952
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.428
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Assemblés 4/4: A Room in Bloomsbury (From "The Boyfriend")
type: MusicRecording
duration: PT0M58S
duration ms: 58000
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340245
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T09:49:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x62aa902aa3a0c22ad7ffd15c1737dac98d25902ddbac60162d20863fd01ce401
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959123
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959123
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340245
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T11:35:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x62aa902aa3a0c22ad7ffd15c1737dac98d25902ddbac60162d20863fd01ce401. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340245 — a six-check JSON result.
  date published: 2026-07-22T11:35:32Z
audio: Assemblés 4/4: A Room in Bloomsbury (From "The Boyfriend")
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.055
  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: 0.453
  additional property: Energy
    type: PropertyValue
    value: 0.256
  additional property: Speechiness
    type: PropertyValue
    value: 0.096
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.879
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.203
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Glissades/Quicker Allegro 4/4: Tico Tico
type: MusicRecording
duration: PT1M42S
duration ms: 102253
explicit: false
by artist: Margot Kazimirska
in album: Music for Ballet Class: Dance With Margot, Vol. 8
  type: MusicAlbum
  date published: 2013-12-02
genre: j-dance
isrc code: USX9P1340246
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T20:37:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75b9ddec8067202bfca6a4f837330a9e9615dddd9ad1bd49d7ef56a109a20170
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USX9P1340246
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T21:28:36Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
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Sissonnes/ Medium Jumps 3/4: Il Bacio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-20T05:55:47Z
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Coda: Turns from the Corner 2/4: Jernbane-Galop, Op. 12
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T12:54:58Z
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Fouettés 2/4: Jernbane-Galop, Op. 12
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-22T12:33:25Z
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Port De Bras 3/4: At the Ballet (From "A Chorus Line")
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T11:02:33Z
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