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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 → block must exist at that height 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
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    additional property: OTSVerifyInstructions
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      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
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    subject of: OpenTimestamps Proof of Existence
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    subject of: OpenTimestamps Proof of Existence
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OTSVerifyInstructions
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value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c3d2cd7379ea9f379751b64cc49c5404f2dacb46a542d27a4954ddf8cbd535. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1DLSK7ztYTIAtKUEnnANy0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DLSK7ztYTIAtKUEnnANy0.
date published: 2026-07-02T03:55:08Z
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(Tendu 2) The Easy Winners
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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(Tendu 3) Dance of the Hours from La Gioconda
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subject of: OpenTimestamps Proof of Existence
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(Jété 1) Golliwog's Cakewalk from Children's Corner L.113
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subject of: OpenTimestamps Proof of Existence
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(Jété 2) Rondo Alla Ingharese Quasi Un Capriccio, Opus 129
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(Rond De Jambe and Port De Bras 1) Torna A Surriento
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subject of: OpenTimestamps Proof of Existence
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(Rond De Jambe and Port De Bras 2) Londonderry Air
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(Fondu 1) O Sole Mio
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(Fondu 2) Beautiful Dreamer
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(Frappé 1) William Tell Overture
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(Frappé 2) The Stars And Stripes Forever
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(Petit Battements) Modern Major-General's Song from the Pirates of Penzance
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(Rond De Jambe En L'aire) Poor Wandering One from The Pirates Of Penzance
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(Adage 1) Gliding Dance of the Maidens, from Prince Igor
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(Adage 2) Pavane, Opus 50
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(Grand Battement 1) March Militaire, from Thee Marches Militaires , Opus 51
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subject of: OpenTimestamps Proof of Existence
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(Grand Battement 2) "Military" Polonaise , Opus 40, No.1
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(Walks) Trumpet Tune
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(Centre Tendu 1) When the Saints Go Marching In
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(Centre Tendu 2) Maple Leaf Rag
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(Port De Bras 1) Sarabande in E Minor, Opus 5, No. 8
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(Port De Bras 2) Peer Gynt Suite No. 1, Opus 46, Movement 1
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(Centre Adage 1) Consolation, Opus 30, No.3 from Songs Without Words
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(Centre Adage 2) Romance, Opus 44. No. 1
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(Balancé 1) Waltz from Faust
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(Balancé 2) Waltz in C# Minor, Opus 64, No. 2
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(Pirouette 1) La Comparsita
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(Pirouette 2) The Band Played On
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(Coda 1) Hungarian Dance #5 in G minor
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(Coda 2) Carmen Suite #1, No. 5 "Les Toreadors"
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(Coda 3) Radetzky March, Opus 228
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(Petit Allegro 1) Symphony No.7, Opus 92, Mvt.4,
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(Petit Allegro 2) Gavotte from Rosine
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(Petit Allegro 3, short) Serenade Badine, IGM 7 , No.2
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(Petit Allegro 3, long) Serenade Badine, IGM 7 , No.2
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(Medium Allegro 1) We Sail the Ocean Blue from H.M.S. Pinafore
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(Medium Allegro 2) Carnival of Venice
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(Medium Allegro 3) - Voices of Spring
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(Grand Allegro 1) Il Bacio
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(Grand Allegro 2) Grande Valse Brillante in Eb Major, Op18
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in album: Music For Ballet Class - Well Known Melodies
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  date published: 2023-05-02
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(Reverence - 16 counts) Prince of Denmark's March
type: MusicRecording
duration: PT0M21S
duration ms: 21772
explicit: false
by artist: Jeremiah Clarke
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
  type: MusicAlbum
  date published: 2023-05-02

(Tendu 1) Toreador Song, from Carmen
type: MusicRecording
duration: PT1M13S
duration ms: 73927
explicit: false
by artist: Georges Bizet
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
  type: MusicAlbum
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x45c3d2cd7379ea9f379751b64cc49c5404f2dacb46a542d27a4954ddf8cbd535. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1DLSK7ztYTIAtKUEnnANy0.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1DLSK7ztYTIAtKUEnnANy0.
  date published: 2026-07-02T03:55:08Z
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(Plié 1) The Swan from The Carnival Of The Animals
type: MusicRecording
duration: PT2M0S
duration ms: 120049
explicit: false
by artist: Camille Saint-Saëns
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x075d6b08e7940c0876d23547b3667816cb688075f37853959292b7364c4e4aec. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/18sfRzr7ZG4D33n9vABcJV.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/18sfRzr7ZG4D33n9vABcJV.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x075d6b08e7940c0876d23547b3667816cb688075f37853959292b7364c4e4aec","isrc":"QZX882312126","name":"(Plié 1) The Swan from The Carnival Of The Animals","registered_at":"2026-06-24T15:56:06Z","spotify_id":"18sfRzr7ZG4D33n9vABcJV","type":"track"}

(Tendu 2) The Easy Winners
type: MusicRecording
duration: PT0M53S
duration ms: 53250
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by artist: Scott Joplin
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Pmb7DLim5DOTBT3iq4hka
additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x1a5a21d4bd2500ac2b952fdc50a0a43ab7252755db91751030b1c53cc039a437. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5Pmb7DLim5DOTBT3iq4hka.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5Pmb7DLim5DOTBT3iq4hka.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0x1a5a21d4bd2500ac2b952fdc50a0a43ab7252755db91751030b1c53cc039a437","isrc":"QZX882312129","name":"(Tendu 2) The Easy Winners","registered_at":"2026-06-24T15:55:58Z","spotify_id":"5Pmb7DLim5DOTBT3iq4hka","type":"track"}

(Jété 1) Golliwog's Cakewalk from Children's Corner L.113
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duration: PT0M45S
duration ms: 45038
explicit: false
by artist: Claude Debussy
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZQaeNoDEdLQthhLZXjqGT
additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xc9c7ec96d6d5b8e874203a7c2011214c52bee407019026a5c52d4685503200c9. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1ZQaeNoDEdLQthhLZXjqGT.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1ZQaeNoDEdLQthhLZXjqGT.
  date published: 2026-07-02T11:38:34Z
  text: {"copyright_id":"0xc9c7ec96d6d5b8e874203a7c2011214c52bee407019026a5c52d4685503200c9","isrc":"QZX882312131","name":"(Jété 1) Golliwog's Cakewalk from Children's Corner L.113","registered_at":"2026-06-25T23:47:50Z","spotify_id":"1ZQaeNoDEdLQthhLZXjqGT","type":"track"}

(Warm Up) Aura Lee, Early One Morning, All Through The Night
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duration: PT2M47S
duration ms: 167295
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by artist: George R. Poulton
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TdL8XhRLIgHO4jo9vZzaF
additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xd7b5745342bde23eae4734c91a9f41b51c8386cd84320c452908ff8ee57cb0c6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4TdL8XhRLIgHO4jo9vZzaF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4TdL8XhRLIgHO4jo9vZzaF.
  date published: 2026-07-02T03:55:08Z
  text: {"copyright_id":"0xd7b5745342bde23eae4734c91a9f41b51c8386cd84320c452908ff8ee57cb0c6","isrc":"QZX882312125","name":"(Warm Up) Aura Lee, Early One Morning, All Through The Night","registered_at":"2026-06-27T06:32:54Z","spotify_id":"4TdL8XhRLIgHO4jo9vZzaF","type":"track"}

(Plié 2) Symphony No. 5, 2nd movement
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duration: PT1M50S
duration ms: 110649
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
  type: MusicAlbum
  date published: 2023-05-02
isrc code: QZX882312127
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: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/5E70diiyLTVSG85vg05tFZ.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E70diiyLTVSG85vg05tFZ
additional property: OTSTimestamp
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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. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x903ed8fa0ebadf892ffeac43f52b7014ba05d508e059e0d3891df1cd064e7812. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/5E70diiyLTVSG85vg05tFZ.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/5E70diiyLTVSG85vg05tFZ.
  date published: 2026-07-02T11:34:59Z
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(Tendu 3) Dance of the Hours from La Gioconda
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duration: PT1M10S
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explicit: false
by artist: Amilcare Ponchielli
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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isrc code: QZX882312130
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4PhnhAbC77psuvgbXjwTH5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4PhnhAbC77psuvgbXjwTH5
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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
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  date published: 2026-07-02T11:38:34Z
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(Rond De Jambe and Port De Bras 1) Torna A Surriento
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duration: PT1M51S
duration ms: 111501
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by artist: Ernesto de Curtis
by artist: Rob Thaller
in album: Music For Ballet Class - Well Known Melodies
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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(Grand Battement 1) March Militaire, from Thee Marches Militaires , Opus 51
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subject of: OpenTimestamps Proof of Existence
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(Jété 2) Rondo Alla Ingharese Quasi Un Capriccio, Opus 129
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(Fondu 1) O Sole Mio
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(Frappé 1) William Tell Overture
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(Adage 1) Gliding Dance of the Maidens, from Prince Igor
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(Balancé 1) Waltz from Faust
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by artist: Rob Thaller
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(Pirouette 1) La Comparsita
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(Rond De Jambe and Port De Bras 2) Londonderry Air
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(Frappé 2) The Stars And Stripes Forever
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(Adage 2) Pavane, Opus 50
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(Centre Tendu 2) Maple Leaf Rag
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(Balancé 2) Waltz in C# Minor, Opus 64, No. 2
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