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type: MusicGroup
genre: classical
popularity: 20
followers: 148
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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  value: https://artists.proofprofile.net/proofs/artist/a64d806c-9294-470a-afd2-ff4517dbcd6a.ots
additional property: OTSRecordURL
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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. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x470d94cc311f85ade26be7c21bb651e48b339b4c7bc6b32a312cad6ef2f5d414. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a64d806c-9294-470a-afd2-ff4517dbcd6a.json and https://artists.proofprofile.net/proofs/artist/a64d806c-9294-470a-afd2-ff4517dbcd6a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T11:57:35Z
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album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
  type: MusicAlbum
  date published: 1990-01-01
  track: Overture 1812, Op. 49, TH 49
  track: Slavonic March, Op. 31: Moderato in modo di marcia funebre - Andante molto maestoso - Allegro risoluto
    type: MusicRecording
    duration: PT9M49S
    duration ms: 589466
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    by artist: Gothenburg Symphony Orchestra
    by artist: Neeme Järvi
    in album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
      type: MusicAlbum
      date published: 1990-01-01
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    additional property: CopyrightID
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902880
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:55:08Z
    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 0x11bae8fa9f39a5705dfa33c87348e22f9b730ed5196af2def7b7d9ab2a26be4f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/DEF058902880.
      date published: 2026-07-02T03:55:08Z
    audio: Slavonic March, Op. 31: Moderato in modo di marcia funebre - Andante molto maestoso - Allegro risoluto
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      additional property: Mode (Major/Minor)
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      additional property: Danceability
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      additional property: Instrumentalness
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      additional property: Liveness
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      additional property: Valence (Positivity)
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  track: Eine Steppenskizze aus Mittelasien: Allegretto con moto
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    by artist: Gothenburg Symphony Orchestra
    by artist: Neeme Järvi
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      type: MusicAlbum
      date published: 1990-01-01
    genre: classical
    genre: late-romantic-era
    genre: early-modern-classical
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902890
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    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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      date published: 2026-07-02T03:30:09Z
    audio: Eine Steppenskizze aus Mittelasien: Allegretto con moto
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        type: PropertyValue
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      additional property: Acousticness
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
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      additional property: Mode Name
  track: Polovtsian Dances From "Prince Igor"
  track: Russian Easter Festival, Overture, Op. 36
  track: Capriccio Espagnol, Op. 34
track: Overture 1812, Op. 49: Overture 1812 - Beginning

Overture 1812, Op. 49, TH 49
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duration: PT16M20S
duration ms: 980026
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Gothenburg Symphony Orchestra
by artist: Gothenburg Artillery Division
by artist: Gothenburg Symphony Brass Band
by artist: Churchbells of Gothenburg
by artist: Neeme Järvi
by artist: Gothenburg Symphony Choir
in album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
  type: MusicAlbum
  date published: 1990-01-01
isrc code: DEF058902870
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6275c4fe838fc9731859a8762ec17beb7fef2ff1ee568e74c0a143b14b50be0. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/DEF058902870.
  date published: 2026-06-13T15:41:10Z
audio: Overture 1812, Op. 49, TH 49
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  additional property: Danceability
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    type: PropertyValue
    value: -22.487
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Overture 1812, Op. 49: Overture 1812 - Beginning
type: MusicRecording
duration: PT4M12S
duration ms: 252053
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Churchbells of Gothenburg
by artist: Gothenburg Artillery Division
by artist: Gothenburg Symphony Brass Band
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
by artist: Gothenburg Symphony Choir
by artist: Ove Gotting
in album: The Premium Collection
  type: MusicAlbum
  date published: 2007-01-01
isrc code: DEF058902872
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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
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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 0x653c3b0b8013277b5bba80811e4a736bf1e6be9ffd08830e6b024a554828ed40. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902872.
  date published: 2026-07-06T07:16:32Z
audio: Overture 1812, Op. 49: Overture 1812 - Beginning
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  additional property: Acousticness
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  additional property: Key Name
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  additional property: Mode Name
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Instrumentalness
type: PropertyValue
value: 0.779

Liveness
type: PropertyValue
value: 0.107

Valence (Positivity)
type: PropertyValue
value: 0.04

Loudness (dB)
type: PropertyValue
value: -34.134

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
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Polovtsian Dances From "Prince Igor"
type: MusicRecording
duration: PT11M30S
duration ms: 690306
explicit: false
by artist: Alexander Borodin
by artist: Torgny Sporsen
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
by artist: Gothenburg Symphony Choir
in album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
  type: MusicAlbum
  date published: 1990-01-01
popularity: 31
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: DEF058902900
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T11:21:01+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x577c4e672617201650a2f5da129440de907b689433a3b85858cb81b7577c3ce4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
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/DEF058902900
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x577c4e672617201650a2f5da129440de907b689433a3b85858cb81b7577c3ce4. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058902900.
  date published: 2026-06-13T12:47:07Z
audio: Polovtsian Dances From "Prince Igor"
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Russian Easter Festival, Overture, Op. 36
type: MusicRecording
duration: PT15M4S
duration ms: 904826
explicit: false
by artist: Nikolai Rimsky-Korsakov
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
  type: MusicAlbum
  date published: 1990-01-01
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: avant-garde
genre: russian-romanticism
isrc code: DEF058702910
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-18T17:42:54+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  date published: 2026-07-02T03:30:09Z
audio: Russian Easter Festival, Overture, Op. 36
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Capriccio Espagnol, Op. 34
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duration: PT15M59S
duration ms: 959773
explicit: false
by artist: Nikolai Rimsky-Korsakov
by artist: Gothenburg Symphony Orchestra
by artist: Neeme Järvi
in album: Tchaikovsky: Overture "1812"; Marche slave / Borodin: In the Steppes; Polovtsian Dances / Rimsky-Korsakov: Russian Easter; Capriccio
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  date published: 1990-01-01
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genre: late-romantic-era
genre: early-modern-classical
genre: avant-garde
genre: russian-romanticism
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  date published: 2026-06-13T17:25:41Z
audio: Capriccio Espagnol, Op. 34
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