Евгений Белоусов
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album: Лучшие песни. Девочка моя синеглазая
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  track: Такое короткое лето
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      date published: 2026-07-18T19:27:02Z
    audio: Такое короткое лето
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  track: Золотые купола
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track: Eugene Onegin, Op. 24, Act I Scene 1: No. 7, Final Scene
track: Eugene Onegin, Op. 24, Act II Scene 1: No. 15b, Scene "Ty ne tantsuesh, Lenskiy?"
track: Eugene Onegin, Op. 24, Act II Scene 2: No. 18a, Duel Scene "A, vot oni!"
track: Eugene Onegin, Op. 24, Act II Scene 2: No. 18b, Duel Scene "Vragi! Davno li drug ot druga?"
track: Eugene Onegin, Op. 24, Act III Scene 1: No. 20a, Scene "I zdes, mne skuchno!"
track: Eugene Onegin, Op. 24, Act I Scene 1: No. 5a, Scene and Quartet "Mes-dames! Ya na sebya vzyal smelost"
track: Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana"
track: Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya"
track: Eugene Onegin, Op. 24, Act I Scene 3: No. 12b, Scene "Vy mne pisali, ne otpiraytes"
track: Eugene Onegin, Op. 24, Act I Scene 3: No. 12c, Onegin's Aria "Kogda by zhizn domashnim krugom"
track: Eugene Onegin, Op. 24, Act II Scene 1: No. 13, Waltz with Scene and Chorus
track: Eugene Onegin, Op. 24, Act II Scene 1: No. 14a, Scene "Uzhel ya zasluzhil ot vas nasmeshku etu?"
track: Eugene Onegin, Op. 24, Act II Scene 1: No. 16, Final "V vashem dome!"
track: Eugene Onegin, Op. 24, Act III Scene 1: No. 20c, Scene "Knyaginya Gremina!"
track: Eugene Onegin, Op. 24, Act III Scene 1: No. 20e, Scene "Itak, poydem, tebya predstavlyu ya"
track: Eugene Onegin, Op. 24, Act III Scene 1: No. 21, Onegin's Arioso and Ecossaise "Uzhel ta samaya Tat'yana?"
track: Eugene Onegin, Op. 24, Act III Scene 2: No. 22a, Final Scene "O! Kak mne tyazhelo!"
track: Eugene Onegin, Op. 24, Act III Scene 2: No. 22b, Final Scene "Onegin, ya togda molozhe"

Eugene Onegin, Op. 24, Act I Scene 1: No. 7, Final Scene
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by artist: Евгения Вербицкая
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by artist: Оркестр Большого театра
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  date published: 2026-07-08T08:56:20Z
audio: Eugene Onegin, Op. 24, Act I Scene 1: No. 7, Final Scene
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Eugene Onegin, Op. 24, Act II Scene 1: No. 15b, Scene "Ty ne tantsuesh, Lenskiy?"
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  date published: 2026-07-08T03:22:41Z
audio: Eugene Onegin, Op. 24, Act II Scene 1: No. 15b, Scene "Ty ne tantsuesh, Lenskiy?"
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Eugene Onegin, Op. 24, Act II Scene 2: No. 18a, Duel Scene "A, vot oni!"
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by artist: Игорь Михайлов
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audio: Eugene Onegin, Op. 24, Act II Scene 2: No. 18a, Duel Scene "A, vot oni!"
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Eugene Onegin, Op. 24, Act II Scene 2: No. 18b, Duel Scene "Vragi! Davno li drug ot druga?"
type: MusicRecording
duration: PT3M41S
duration ms: 221236
explicit: false
by artist: Евгений Белоусов
by artist: Sergei Lemeshev
by artist: Игорь Михайлов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
isrc code: UK2Y21801592
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:10:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65f37bd91ae8659090fbc3f71fd19742e56e04c889683c85d959b81c21886985
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801592
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f37bd91ae8659090fbc3f71fd19742e56e04c889683c85d959b81c21886985. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UK2Y21801592.
  date published: 2026-07-08T03:22:41Z
audio: Eugene Onegin, Op. 24, Act II Scene 2: No. 18b, Duel Scene "Vragi! Davno li drug ot druga?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.099
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.133
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.202
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Eugene Onegin, Op. 24, Act III Scene 1: No. 20a, Scene "I zdes, mne skuchno!"
type: MusicRecording
duration: PT1M59S
duration ms: 119514
explicit: false
by artist: Евгений Белоусов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
isrc code: UK2Y21801594
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:09:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69fcfa99069fdeb7f0ab2fc6ae0b1e1309e1b88b11682f4ffcd7f48ce22bacef
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801594
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
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
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69fcfa99069fdeb7f0ab2fc6ae0b1e1309e1b88b11682f4ffcd7f48ce22bacef. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/UK2Y21801594.
  date published: 2026-07-08T03:22:41Z
audio: Eugene Onegin, Op. 24, Act III Scene 1: No. 20a, Scene "I zdes, mne skuchno!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.491
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.37
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.51
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.259
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.918
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Eugene Onegin, Op. 24, Act I Scene 1: No. 5a, Scene and Quartet "Mes-dames! Ya na sebya vzyal smelost"
type: MusicRecording
duration: PT1M51S
duration ms: 111611
explicit: false
by artist: Sergei Lemeshev
by artist: Евгений Белоусов
by artist: Валентина Петрова
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x705837b6ffe7c29324cb83c13dc870da047bf66370d391bf57191e992dea0a63. Chain 2 (Bitcoin): anchored in block 960268 (2026-07-30T14:53:07Z), 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/UK2Y21309071.
  date published: 2026-07-30T14:53:07Z
audio: Eugene Onegin, Op. 24, Act I Scene 1: No. 5a, Scene and Quartet "Mes-dames! Ya na sebya vzyal smelost"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.405
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.101
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.21
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.127
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21309071
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960268
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309071
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960268
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:53:07+00:00
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

Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana"
type: MusicRecording
duration: PT1M31S
duration ms: 91037
explicit: false
by artist: Sergei Lemeshev
by artist: Евгений Белоусов
by artist: Валентина Петрова
by artist: Лариса Авдеева
by artist: Galina Vishnevskaya
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1510f26ef2914aa86f4c84395560d43c48ba0109684977edccf4c5b6f7fbeb43. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/UK2Y21309072.
  date published: 2026-07-31T02:19:15Z
audio: Eugene Onegin, Op. 24, Act I Scene 1: No. 5b, Quartet "Skazhi, kotoraya Tatyana"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 160.998
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.272
  additional property: Energy
    type: PropertyValue
    value: 0.326
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.135
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.479
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.346
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: UK2Y21309072
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309072
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
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

Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya"
type: MusicRecording
duration: PT2M27S
duration ms: 147381
explicit: false
by artist: Sergei Lemeshev
by artist: Лариса Авдеева
by artist: Евгений Белоусов
by artist: Galina Vishnevskaya
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x545735ee7689413915764c8aed030a5abb1d88d2fcad4a5194af8394d846e952. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/UK2Y21309073.
  date published: 2026-07-30T14:36:16Z
audio: Eugene Onegin, Op. 24, Act I Scene 1: No. 6a, Scene "Kak schastliv, kak schastliv ya"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.511
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.415
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.322
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.957
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21309073
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960264
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21309073
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
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

Eugene Onegin, Op. 24, Act I Scene 3: No. 12b, Scene "Vy mne pisali, ne otpiraytes"
type: MusicRecording
duration: PT1M28S
duration ms: 88150
explicit: false
by artist: Евгений Белоусов
by artist: Galina Vishnevskaya
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ff57df153ccef9ec34bb09af3adccc5793fdc2c7a8f456a505100fa59eb8e55. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/UK2Y21801580.
  date published: 2026-07-31T15:59:18Z
audio: Eugene Onegin, Op. 24, Act I Scene 3: No. 12b, Scene "Vy mne pisali, ne otpiraytes"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.499
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.458
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.229
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.35
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801580
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960427
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801580
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18+00:00
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

Eugene Onegin, Op. 24, Act I Scene 3: No. 12c, Onegin's Aria "Kogda by zhizn domashnim krugom"
type: MusicRecording
duration: PT4M23S
duration ms: 263116
explicit: false
by artist: Евгений Белоусов
by artist: хор Большого театра
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe20b41fc9d2d5ae199c5873586ad94f91d82da5da37bfc858c9724dccee0966. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/UK2Y21801581.
  date published: 2026-07-31T02:19:15Z
audio: Eugene Onegin, Op. 24, Act I Scene 3: No. 12c, Onegin's Aria "Kogda by zhizn domashnim krugom"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.456
  additional property: Musical Key
    type: PropertyValue
    value: 10
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.257
  additional property: Energy
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    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.076
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.091
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801581
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801581
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
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

Eugene Onegin, Op. 24, Act II Scene 1: No. 13, Waltz with Scene and Chorus
type: MusicRecording
duration: PT5M48S
duration ms: 348852
explicit: false
by artist: Евгений Белоусов
by artist: Sergei Lemeshev
by artist: Георгий Панков
by artist: хор Большого театра
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1aad09295ded3c1b7e44ae7474cece80b32287a344015af6ceb2650e691f7c8. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/UK2Y21801583.
  date published: 2026-07-31T12:24:41Z
audio: Eugene Onegin, Op. 24, Act II Scene 1: No. 13, Waltz with Scene and Chorus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.121
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.494
  additional property: Energy
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    value: 0.297
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.886
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.238
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.388
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.19
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801583
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801583
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
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

Eugene Onegin, Op. 24, Act II Scene 1: No. 14a, Scene "Uzhel ya zasluzhil ot vas nasmeshku etu?"
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Sergei Lemeshev
by artist: Лариса Авдеева
by artist: Евгений Белоусов
by artist: Андрей Соколов
by artist: хор Большого театра
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12527665964683e479760039274afa48ece73723b9ceee1a81938d3e1c78ac9. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/UK2Y21801584.
  date published: 2026-07-31T22:27:44Z
audio: Eugene Onegin, Op. 24, Act II Scene 1: No. 14a, Scene "Uzhel ya zasluzhil ot vas nasmeshku etu?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.096
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.503
  additional property: Energy
    type: PropertyValue
    value: 0.115
  additional property: Speechiness
    type: PropertyValue
    value: 0.158
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.605
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.122
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.312
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: UK2Y21801584
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960473
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T22:27:44+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801584
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44+00:00
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

Eugene Onegin, Op. 24, Act II Scene 1: No. 16, Final "V vashem dome!"
type: MusicRecording
duration: PT5M2S
duration ms: 302586
explicit: false
by artist: Sergei Lemeshev
by artist: Евгений Белоусов
by artist: Galina Vishnevskaya
by artist: Валентина Петрова
by artist: Лариса Авдеева
by artist: хор Большого театра
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fb699fc881866758dc6dff5b031446bdd6b7f604e8853936ea72a5052c3b45a. Chain 2 (Bitcoin): anchored in block 960236 (2026-07-30T09:37:10Z), 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/UK2Y21801588.
  date published: 2026-07-30T09:37:10Z
audio: Eugene Onegin, Op. 24, Act II Scene 1: No. 16, Final "V vashem dome!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.132
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.376
  additional property: Energy
    type: PropertyValue
    value: 0.224
  additional property: Speechiness
    type: PropertyValue
    value: 0.141
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.239
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.463
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801588
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960236
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801588
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960236
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T09:37:10+00:00
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

Eugene Onegin, Op. 24, Act III Scene 1: No. 20c, Scene "Knyaginya Gremina!"
type: MusicRecording
duration: PT2M21S
duration ms: 141419
explicit: false
by artist: Евгений Белоусов
by artist: Galina Vishnevskaya
by artist: Иван Петров
by artist: хор Большого театра
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x970189d4f696a55d93af7bb942c0d354437682a691cf82979512ac11ca6ccf2a. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/UK2Y21801596.
  date published: 2026-08-01T01:44:32Z
audio: Eugene Onegin, Op. 24, Act III Scene 1: No. 20c, Scene "Knyaginya Gremina!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.578
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.366
  additional property: Energy
    type: PropertyValue
    value: 0.185
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.964
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.273
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801596
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960494
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T01:44:32+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801596
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32+00:00
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

Eugene Onegin, Op. 24, Act III Scene 1: No. 20e, Scene "Itak, poydem, tebya predstavlyu ya"
type: MusicRecording
duration: PT1M13S
duration ms: 73757
explicit: false
by artist: Иван Петров
by artist: Galina Vishnevskaya
by artist: Евгений Белоусов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
genre: opera
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x395590d4c0d561a67c4927816cf2566fcaff00f0309b1ce4ebd07d91d2c314e8. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/UK2Y21801598.
  date published: 2026-07-31T15:27:29Z
audio: Eugene Onegin, Op. 24, Act III Scene 1: No. 20e, Scene "Itak, poydem, tebya predstavlyu ya"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.163
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.099
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.577
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.122
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801598
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960422
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801598
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960422
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:27:29+00:00
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

Eugene Onegin, Op. 24, Act III Scene 1: No. 21, Onegin's Arioso and Ecossaise "Uzhel ta samaya Tat'yana?"
type: MusicRecording
duration: PT2M36S
duration ms: 156282
explicit: false
by artist: Евгений Белоусов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf577c0084008a8e0d8b4b23703b60663eda0a17022f5a4666347ee3d86f406f. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/UK2Y21801599.
  date published: 2026-08-01T03:13:03Z
audio: Eugene Onegin, Op. 24, Act III Scene 1: No. 21, Onegin's Arioso and Ecossaise "Uzhel ta samaya Tat'yana?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.132
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.324
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.103
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.436
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.868
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: UK2Y21801599
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960500
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T03:13:03+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801599
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:13:03+00:00
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

Eugene Onegin, Op. 24, Act III Scene 2: No. 22a, Final Scene "O! Kak mne tyazhelo!"
type: MusicRecording
duration: PT3M39S
duration ms: 219000
explicit: false
by artist: Galina Vishnevskaya
by artist: Евгений Белоусов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c86a8a4b95a6ec796c553dca9bc458971422cd08d90f699f87ce7743efd7083. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/UK2Y21801600.
  date published: 2026-07-31T19:53:13Z
audio: Eugene Onegin, Op. 24, Act III Scene 2: No. 22a, Final Scene "O! Kak mne tyazhelo!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.86
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.271
  additional property: Energy
    type: PropertyValue
    value: 0.057
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.501
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.054
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.012
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: UK2Y21801600
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960455
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801600
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13+00:00
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

Eugene Onegin, Op. 24, Act III Scene 2: No. 22b, Final Scene "Onegin, ya togda molozhe"
type: MusicRecording
duration: PT9M26S
duration ms: 566426
explicit: false
by artist: Galina Vishnevskaya
by artist: Евгений Белоусов
by artist: Boris Khaikin
by artist: Оркестр Большого театра
in album: Tchaikovsky: Eugene Onegin, Op. 24
  type: MusicAlbum
  date published: 2011-01-01
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe99fff4738e7610f6a2584029bad2e3122b480ab3cb69a3e103f0369a5ab1255. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/UK2Y21801601.
  date published: 2026-07-31T23:30:38Z
audio: Eugene Onegin, Op. 24, Act III Scene 2: No. 22b, Final Scene "Onegin, ya togda molozhe"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.554
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.324
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.069
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.143
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.541
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: UK2Y21801601
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960478
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UK2Y21801601
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38+00:00
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)
type: PropertyValue
value: -9.927

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor