Nina Miller
type: MusicGroup
popularity: 44
followers: 4721
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37d134779ea8ca8693e3339edaf1d047becaa3a36b2c96db64bc8c8b2e37fa67. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4fc24f0-abe1-4ff1-a454-dd869caacfbf.json and https://artists.proofprofile.net/proofs/artist/b4fc24f0-abe1-4ff1-a454-dd869caacfbf.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: Piano Music for Classical Ballet Class Volume 1
  type: MusicAlbum
  date published: 2014-03-07
album: Piano Music for Classical Ballet Class, Vol. 1
  type: MusicAlbum
  date published: 2014-03-07
  track: Plie 3/4, Don Quixote, Act lll
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    duration: PT2M21S
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    by artist: Nina Miller
    in album: Piano Music for Classical Ballet Class, Vol. 1
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      date published: 2014-03-07
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T23:25:50Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe09cf990b919673a120706d11558158dcdf508a8b45d3955258a842c979df6b5. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1442811.
      date published: 2026-07-15T23:25:50Z
    audio: Plie 3/4, Don Quixote, Act lll
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  track: Plie 3/4, Nocturne E-Flat Major
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    by artist: Nina Miller
    in album: Piano Music for Classical Ballet Class, Vol. 1
      type: MusicAlbum
      date published: 2014-03-07
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d2002c27cf03986142bb97a0e701d112c6c29e7dbd225134223ad5849fc8475. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1442812.
      date published: 2026-07-04T11:19:20Z
    audio: Plie 3/4, Nocturne E-Flat Major
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  track: Tendu 2/4 Improvisation
  track: Jete 2/4 Improvisation
  track: Rond de jambe 3/4
  track: Adagio 4/4 Improvisation
  track: Mazurka 3/4
album: Prelude in B Minor, BWV 855a (Arr. By Alexander Siloti)
album: Piano Music for Classical Ballet Class, Vol. 2
album: Piano Music for Classical Ballet Class, Vol. 3
album: Piano Music for Classical Ballet Class, Vol. 4
album: Christmas Piano Music for Classical Ballet Class, Vol. 1
album: Fairy Tale Music for Classical Ballet, Vol. 1
album: Piano Music for Children's Classical Ballet Class, Vol. 1
album: Piano Music for Children's Classical Ballet Recital, Vol. 1: Les Millions d'Arléquin and La Fille du Pharaon
album: Christmas Piano Music for Classical Ballet Class, Vol. 2
album: Piano Music for Classical Ballet Class, Vol. 5
album: Piano Music for Children's Classical Ballet Class, Vol. 2
album: Crescent Moon
album: Piano Music for Classical Ballet and Character Dance Class, Vol. 1
album: Fairy Tale Music for Classical Ballet, Vol. 2
album: Piano Music for Classical Ballet Variations: Sleeping Beauty and Paquita
album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
album: Piano Music for Classical Ballet Class, Vol. 6
track: Les Millions d'Arlequin, Act I: Scène VI, Variation de Colombine (Extended Ending)
track: Les Millions d'Arlequin, Act II: Scène I, No. 9, Polonaise

Les Millions d'Arlequin, Act I: Scène VI, Variation de Colombine (Extended Ending)
type: MusicRecording
duration: PT2M16S
duration ms: 136790
explicit: false
by artist: Riccardo Drigo
by artist: Nina Miller
in album: R. Drigo: Les Millions d'Arlequin: Piano Score for Classical Ballet
  type: MusicAlbum
  date published: 2017-12-26
genre: italian-romanticism
isrc code: USHM81771263
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b70cc1863cec8c69c1833babed59cad96569e2c836381b1116368711b300161. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81771263.
  date published: 2026-07-08T03:20:19Z
audio: Les Millions d'Arlequin, Act I: Scène VI, Variation de Colombine (Extended Ending)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Energy
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Les Millions d'Arlequin, Act II: Scène I, No. 9, Polonaise
type: MusicRecording
duration: PT2M32S
duration ms: 152974
explicit: false
by artist: Riccardo Drigo
by artist: Nina Miller
in album: R. Drigo: Les Millions d'Arlequin: Piano Score for Classical Ballet
  type: MusicAlbum
  date published: 2017-12-26
genre: italian-romanticism
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc65f23228c616be878f31b4db2d0b883d837daed6a62c354bb27f76620e79efe. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM81771269.
  date published: 2026-07-29T13:21:01Z
audio: Les Millions d'Arlequin, Act II: Scène I, No. 9, Polonaise
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additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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

Loudness (dB)
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Key Name
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Mode Name
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Tendu 2/4 Improvisation
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duration ms: 79538
explicit: false
by artist: Nina Miller
in album: Piano Music for Classical Ballet Class, Vol. 1
  type: MusicAlbum
  date published: 2014-03-07
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe41dbedb08ebaedcaeccb1959b386f74b36e3a7d7d3579dc47b859906b250d1a. Chain 2 (Bitcoin): anchored in block 959024 (2026-07-21T17:13:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGJ1442814.
  date published: 2026-07-21T17:13:39Z
audio: Tendu 2/4 Improvisation
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Jete 2/4 Improvisation
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duration: PT0M41S
duration ms: 41377
explicit: false
by artist: Nina Miller
in album: Piano Music for Classical Ballet Class, Vol. 1
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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Rond de jambe 3/4
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Mazurka 3/4
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Prelude in B Minor, BWV 855a (Arr. By Alexander Siloti)
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Piano Music for Classical Ballet Class, Vol. 2
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Piano Music for Classical Ballet Class, Vol. 3
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Piano Music for Classical Ballet Class, Vol. 4
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OpenTimestamps Proof of Existence
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La Bayadère, Act III: Les Ombre (Stretch)
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Christmas Piano Music for Classical Ballet Class, Vol. 1
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Christmas Piano Music for Classical Ballet Class, Vol. 1
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Christmas Piano Music for Classical Ballet Class, Vol. 1
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Christmas Piano Music for Classical Ballet Class, Vol. 1
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Fairy Tale Music for Classical Ballet, Vol. 1
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date published: 2017-07-04

Fairy Tale Music for Classical Ballet, Vol. 1
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  subject of: OpenTimestamps Proof of Existence
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track: Dig a Little Deeper (Petit Allegro)
track: Down in New Orleans (Reverence)

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T16:51:38Z

When We’re Human (Changement)
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audio: Dig a Little Deeper (Petit Allegro)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T16:51:38Z
audio: Down in New Orleans (Reverence)
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Piano Music for Children's Classical Ballet Class, Vol. 1
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-21T05:12:50Z

Russian Folk Song (Diagonale 1)
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Piano Music for Children's Classical Ballet Class, Vol. 1
type: MusicAlbum
date published: 2018-02-14

Piano Music for Children's Classical Ballet Class, Vol. 1
type: MusicAlbum
date published: 2018-02-14

Piano Music for Children's Classical Ballet Recital, Vol. 1: Les Millions d'Arléquin and La Fille du Pharaon
type: MusicAlbum
date published: 2018-08-10

Piano Music for Children's Classical Ballet Recital, Vol. 1: Les Millions d'Arléquin and La Fille du Pharaon
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date published: 2018-08-10

Christmas Piano Music for Classical Ballet Class, Vol. 2
type: MusicAlbum
date published: 2018-09-14

Christmas Piano Music for Classical Ballet Class, Vol. 2
type: MusicAlbum
date published: 2018-09-14

Christmas Piano Music for Classical Ballet Class, Vol. 2
type: MusicAlbum
date published: 2018-09-14

Piano Music for Classical Ballet Class, Vol. 5
type: MusicAlbum
date published: 2019-05-30
track: Esmeralda, Act 2: Esmeralda’s Variation (Grand Battement)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-17T12:56:50Z
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Piano Music for Children's Classical Ballet Class, Vol. 2
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date published: 2019-08-30
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T19:27:56Z
  audio: Entrance
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track: Warm Up
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T23:24:33Z
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track: Plié 1
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  subject of: OpenTimestamps Proof of Existence
  audio: Plié 1
track: Santa Lucia (Plié 2)
track: Carmen, Act 1: L'amour est un oiseau rebelle "Habanera" (Tendu)
track: Dégagé
track: Coupé
track: The Awakening of Flora (Ronde de Jambe)
track: Frappé
track: Polka (Chaînés Piqué)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdb8da88c02a6fa7ad3cbf76a2c665a25ca2f7110ef124237892bbc037db7e1d. Chain 2 (Bitcoin): anchored in block 957863 (2026-07-13T14:41:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901025.
date published: 2026-07-13T14:41:15Z

Plié 1
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Santa Lucia (Plié 2)
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subject of: OpenTimestamps Proof of Existence
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audio: Santa Lucia (Plié 2)
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Carmen, Act 1: L'amour est un oiseau rebelle "Habanera" (Tendu)
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50a3acb5adcdaa39e063893f7430e08fc73411e0d188ecf775009a82cc63fdd8. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901027.
  date published: 2026-07-03T09:04:44Z
audio: Carmen, Act 1: L'amour est un oiseau rebelle "Habanera" (Tendu)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Dégagé
type: MusicRecording
duration: PT0M58S
duration ms: 58357
explicit: false
by artist: Nina Miller
in album: Piano Music for Children's Classical Ballet Class, Vol. 2
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd933d0bba24856838f3ce3ca6b0f699d9d76f026143d9e5c2ac8b665a58c0d70. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901028.
  date published: 2026-07-05T01:12:41Z
audio: Dégagé
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Coupé
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duration: PT1M19S
duration ms: 79924
explicit: false
by artist: Nina Miller
in album: Piano Music for Children's Classical Ballet Class, Vol. 2
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901029
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T07:04:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc64fcceaf68b5fb48312b8a5b162cddadacbb4ccba523d88b4d43104b17aaae. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901029.
  date published: 2026-07-21T07:04:12Z
audio: Coupé
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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The Awakening of Flora (Ronde de Jambe)
type: MusicRecording
duration: PT1M28S
duration ms: 88720
explicit: false
by artist: Nina Miller
in album: Piano Music for Children's Classical Ballet Class, Vol. 2
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  date published: 2019-08-30
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:13:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb386a7351645fd1977078edbe2b9221b0593d080fe5ddb9f1353e3896dfbbcf. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901030.
  date published: 2026-07-18T04:13:26Z
audio: The Awakening of Flora (Ronde de Jambe)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Frappé
type: MusicRecording
duration: PT1M0S
duration ms: 60922
explicit: false
by artist: Nina Miller
in album: Piano Music for Children's Classical Ballet Class, Vol. 2
  type: MusicAlbum
  date published: 2019-08-30
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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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901031
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x977ab2f2f2669f0d8ecf42c0135cf98fed45d1a28982ca2c15bf0668f2f984d8. Chain 2 (Bitcoin): anchored in block 959023 (2026-07-21T17:08:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901031.
  date published: 2026-07-21T17:08:27Z
audio: Frappé
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  additional property: Mode (Major/Minor)
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Polka (Chaînés Piqué)
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duration: PT1M24S
duration ms: 84275
explicit: false
by artist: Nina Miller
in album: Piano Music for Children's Classical Ballet Class, Vol. 2
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isrc code: USHM91901040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM91901040
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-04T11:19:20Z
audio: Polka (Chaînés Piqué)
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  additional property: Musical Key
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Crescent Moon
type: MusicAlbum
date published: 2021-06-01

Piano Music for Classical Ballet and Character Dance Class, Vol. 1
type: MusicAlbum
date published: 2021-10-01

Piano Music for Classical Ballet and Character Dance Class, Vol. 1
type: MusicAlbum
date published: 2021-10-01

Fairy Tale Music for Classical Ballet, Vol. 2
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date published: 2022-10-01
track: All in the Golden Afternoon (Fast Tendu)
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T04:47:21Z
  audio: All in the Golden Afternoon (Fast Tendu)
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Piano Music for Classical Ballet Variations: Sleeping Beauty and Paquita
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date published: 2023-02-14

Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
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date published: 2023-08-07
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d217f2c0256b29ef5b23c9312ddd7befd1ffe25aa1aed8d9d26af4ad09fc06. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335345.
    date published: 2026-07-05T10:59:37Z
  audio: I Can't Give You Anything but Love, Baby (Warm Up)
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 77.789
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.436
    additional property: Energy
      type: PropertyValue
      value: 0.1
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.919
    additional property: Liveness
      type: PropertyValue
      value: 0.148
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.219
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.603
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Desafinado (Plié 1)
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119468
  explicit: false
  by artist: Nina Miller
  in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
    type: MusicAlbum
    date published: 2023-08-07
  isrc code: USMH92335346
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
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    value: 2026-07-20T20:50:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x999f161bc8eabbb3091c7d81d2d14419fbd032668a1039d81eda252fe6db4c80
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958931
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958931
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335346
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T21:15:01Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x999f161bc8eabbb3091c7d81d2d14419fbd032668a1039d81eda252fe6db4c80. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335346.
    date published: 2026-07-20T21:15:01Z
  audio: Desafinado (Plié 1)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.403
    additional property: Energy
      type: PropertyValue
      value: 0.1
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.928
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.056
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.446
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: I Don’t Want to Miss a Thing (Plié 2)
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138446
  explicit: false
  by artist: Nina Miller
  in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
    type: MusicAlbum
    date published: 2023-08-07
  isrc code: USMH92335347
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T22:08:08+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd48ced330b96f74db7f14ef015d362091d10570f217b194bf061551d000c29d0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958621
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958621
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335347
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: I Don’t Want to Miss a Thing (Plié 2)
track: Tea for Two (Slow Tendu)
track: Ac-Cent-Tchu-Ate the Positive (Fast Tendu)
track: The Girl from Ipanema (Jeté)
track: The Umbrellas of Cherbourg: I Will Wait for You (Rond de jambe)

OTSTimestamp
type: PropertyValue
value: 2026-07-18T22:59:44Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd48ced330b96f74db7f14ef015d362091d10570f217b194bf061551d000c29d0. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335347.
date published: 2026-07-18T22:59:44Z

I Don’t Want to Miss a Thing (Plié 2)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 62.483
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: 0.425
additional property: Energy
  type: PropertyValue
  value: 0.136
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.859
additional property: Liveness
  type: PropertyValue
  value: 0.089
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.084
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.593
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Tea for Two (Slow Tendu)
type: MusicRecording
duration: PT1M51S
duration ms: 111957
explicit: false
by artist: Nina Miller
in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
  type: MusicAlbum
  date published: 2023-08-07
isrc code: USMH92335348
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T14:30:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfceffe41043c4a3c485371f7dd9c30dc38e587ce62ded8154bedece266a6267e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfceffe41043c4a3c485371f7dd9c30dc38e587ce62ded8154bedece266a6267e. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335348.
  date published: 2026-07-18T19:27:02Z
audio: Tea for Two (Slow Tendu)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.69
  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: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.938
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.241
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.473
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ac-Cent-Tchu-Ate the Positive (Fast Tendu)
type: MusicRecording
duration: PT2M6S
duration ms: 126938
explicit: false
by artist: Nina Miller
in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
  type: MusicAlbum
  date published: 2023-08-07
isrc code: USMH92335349
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T07:18:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81b25900a4ac2b587a1e235e1d22be6d4073bc39df68471e5c022eee8e5a9594
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958842
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958842
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335349
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T10:20:18Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81b25900a4ac2b587a1e235e1d22be6d4073bc39df68471e5c022eee8e5a9594. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:20:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335349.
  date published: 2026-07-20T10:20:18Z
audio: Ac-Cent-Tchu-Ate the Positive (Fast Tendu)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.705
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.58
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.745
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.262
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Girl from Ipanema (Jeté)
type: MusicRecording
duration: PT1M59S
duration ms: 119486
explicit: false
by artist: Nina Miller
in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
  type: MusicAlbum
  date published: 2023-08-07
isrc code: USMH92335351
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T09:18:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdafdf519be3f1ae4fa7fa74a263c954e33054abb2e3c1832e67cbb4e4432327b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335351
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T09:45:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdafdf519be3f1ae4fa7fa74a263c954e33054abb2e3c1832e67cbb4e4432327b. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T09:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335351.
  date published: 2026-07-20T09:45:25Z
audio: The Girl from Ipanema (Jeté)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.893
  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: 0.656
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.904
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.764
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.727
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Umbrellas of Cherbourg: I Will Wait for You (Rond de jambe)
type: MusicRecording
duration: PT2M3S
duration ms: 123590
explicit: false
by artist: Nina Miller
in album: Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
  type: MusicAlbum
  date published: 2023-08-07
isrc code: USMH92335352
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T08:17:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa7adc0a175dd61d63a08eb8de5d8ba2d7b3c8867552fedc1523f4f98e8693c79
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958991
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958991
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335352
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T11:18:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7adc0a175dd61d63a08eb8de5d8ba2d7b3c8867552fedc1523f4f98e8693c79. Chain 2 (Bitcoin): anchored in block 958991 (2026-07-21T11:18:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USMH92335352.
  date published: 2026-07-21T11:18:30Z
audio: The Umbrellas of Cherbourg: I Will Wait for You (Rond de jambe)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.018
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.605
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.933
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.185
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Piano Music For Classical Ballet Class: Familiar Tunes, Vol. 1
type: MusicAlbum
date published: 2023-08-07

Piano Music for Classical Ballet Class, Vol. 6
type: MusicAlbum
date published: 2024-05-30