Vadim Proshich
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popularity: 26
followers: 936
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additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-12T19:24:56Z
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album: Piano Music for the Beginners' Ballet Class
  type: MusicAlbum
  date published: 2018-07-14
album: Piano music for the Beginners' Ballet Class
  type: MusicAlbum
  date published: 2018-07-20
album: Russian Piano Music for Advanced Ballet Class
  type: MusicAlbum
  date published: 2018-08-02
album: Piano Music for the Beginners' Ballet Class, Vol. 4
  type: MusicAlbum
  date published: 2018-08-16
album: Piano Music for Advanced Ballet Class, Vol. 5
  type: MusicAlbum
  date published: 2018-08-17
album: Piano music for the Beginners' Ballet Class, Vol. 6
  type: MusicAlbum
  date published: 2018-08-19
album: Piano music for the Beginners' Ballet Class, Vol. 7
  type: MusicAlbum
  date published: 2018-08-20
  track: Révérence
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-15T11:52:05Z
    audio: Révérence
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album: Piano music for the Beginners' Ballet Class, Vol. 8
  type: MusicAlbum
  date published: 2018-08-23
album: Piano music for the Beginners' Ballet Class, Vol. 9
  type: MusicAlbum
  date published: 2018-08-23
album: Piano music for the Beginners' Ballet Class, Vol. 10
  type: MusicAlbum
  date published: 2018-08-23
album: Piano Music for Ballet Flore Barre Exercises
  type: MusicAlbum
  date published: 2018-09-24
album: Piano Music for Ballet Flore Barre Exercises
  type: MusicAlbum
  date published: 2018-09-24
album: Piano Ballet Music for Pointe Class.
  type: MusicAlbum
  date published: 2018-09-24
  track: Warm up 2. Metre 2/4.
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    by artist: Vadim Proshich
    in album: Piano Ballet Music for Pointe Class.
      type: MusicAlbum
      date published: 2018-09-24
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a04cf75e00b42cf40f512fa64fe3c337ba38b7880945c0bb53b2cc8a2a97753. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6541870082.
      date published: 2026-07-06T01:25:57Z
    audio: Warm up 2. Metre 2/4.
  track: Demi Plié Y Grand Plié. Metre 3/4.
  track: Battement Tendu Simple. Metre 3/4.
  track: Pas Échappée Pointe. Metre 4/4.
  track: Pas De Bourrée Pointe. Metre 4/4.
  track: Pas Échappée Pointe. Metre 2/4.
  track: Pas Couru Pointe. Metre 4/4.
album: Piano music for Stretching Ballet Lessons.
album: Piano ballet music for Dances and Variations.
album: Mexican Piano Music for Advanced Ballet Class
album: Piano music for Advanced Ballet Class
album: French Piano Music for Intermediate Ballet Class
album: Italian Piano Music for Intermediate Ballet Class
album: Piano Music for Intermediate Ballet Class, Vol. 25
album: Piano Music for Ballet Lessons
album: Piano Ballet Music For Kids
album: Broadway Style Piano Music for Ballet Pointe Class

Warm up 2. Metre 2/4.
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Demi Plié Y Grand Plié. Metre 3/4.
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:01:46Z
audio: Demi Plié Y Grand Plié. Metre 3/4.
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Battement Tendu Simple. Metre 3/4.
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:01:46Z
audio: Battement Tendu Simple. Metre 3/4.
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Pas Échappée Pointe. Metre 4/4.
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T12:08:28Z
audio: Pas Échappée Pointe. Metre 4/4.
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Pas De Bourrée Pointe. Metre 4/4.
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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Pas Échappée Pointe. Metre 2/4.
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subject of: OpenTimestamps Proof of Existence
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audio: Pas Échappée Pointe. Metre 2/4.
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Pas Couru Pointe. Metre 4/4.
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T10:01:46Z
audio: Pas Couru Pointe. Metre 4/4.
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Piano music for Stretching Ballet Lessons.
type: MusicAlbum
date published: 2018-09-24

Piano ballet music for Dances and Variations.
type: MusicAlbum
date published: 2018-09-24

Mexican Piano Music for Advanced Ballet Class
type: MusicAlbum
date published: 2018-09-24

Piano music for Advanced Ballet Class
type: MusicAlbum
date published: 2018-09-24

French Piano Music for Intermediate Ballet Class
type: MusicAlbum
date published: 2018-11-12

Italian Piano Music for Intermediate Ballet Class
type: MusicAlbum
date published: 2018-12-11

Piano Music for Intermediate Ballet Class, Vol. 25
type: MusicAlbum
date published: 2019-04-11

Piano Music for Ballet Lessons
type: MusicAlbum
date published: 2019-06-01

Piano Ballet Music For Kids
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date published: 2019-06-01
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-16T12:43:37Z
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track: Ballet for Kids. Rhythmic Exercise. Walking and Running.
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-19T07:14:39Z
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track: Ballet for Kids. Little Ballerina. Révérence.
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  audio: Ballet for Kids. Little Ballerina. Révérence.
track: Ballet for Kids. Slow Jumps.
track: Ballet for Kids. Quick Jumps.
track: Ballet for Kids. Side Gallops and Chassé.

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-05T19:27:56Z

Ballet for Kids. Little Ballerina. Révérence.
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Ballet for Kids. Slow Jumps.
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subject of: OpenTimestamps Proof of Existence
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audio: Ballet for Kids. Slow Jumps.
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Ballet for Kids. Side Gallops and Chassé.
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subject of: OpenTimestamps Proof of Existence
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audio: Ballet for Kids. Side Gallops and Chassé.
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Broadway Style Piano Music for Ballet Pointe Class
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T01:25:57Z
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track: Demi Plié, Grand Plie, Port De Bras. Metre 4/4.
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    date published: 2026-07-04T11:19:20Z
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  subject of: OpenTimestamps Proof of Existence
  audio: Pas Échappée Pointe. Metre 4/4.

OTSTimestamp
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x660f3c664bb060d4aa2039db988dd7af8979034a2c04acbc95954571564206a9. 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/CH6541999098.
date published: 2026-07-05T10:59:37Z

Pas Échappée Pointe. Metre 4/4.
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