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genre: gregorian chant
description: thumb|Valery Polyansky in May 2019 Valery Kuzmich Polyansky (Russian: Валерий Кузьмич Полянский; born April 19, 1949, in Moscow) is a Russian orchestral and choral conductor. He is a professor of the
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album: Rachmaninoff: All-Night Vigil, Op. 37
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  track: All-Night Vigil, Op. 37: Hexapsalms
  track: All-Night Vigil, Op. 37: Great Doxology
  track: All-Night Vigil, Op. 37: This day of salvation - Christ is risen from the dead - Thanksgiving to the mother of God
  track: All-Night Vigil, Op. 37: Blessed is the man
  track: All-Night Vigil, Op. 37: Now lettest thou depart
  track: All-Night Vigil, Op. 37: Hail Mary
  track: All-Night Vigil, Op. 37: Psalm 134-135 (135-136), "O praise the name of the Lord"
  track: All-Night Vigil, Op. 37: Blessed be the Lord
  track: All-Night Vigil, Op. 37: Christ's resurrection
  track: All-Night Vigil, Op. 37: My soul doth magnify the Lord
album: Cello Concertos
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  date published: 2018-11-30
track: Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 1, Jocul cu bâtă
track: Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 3, Pe loc

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All-Night Vigil, Op. 37: Psalm 103 (104), "O praise the Lord"
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All-Night Vigil, Op. 37: Hexapsalms
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All-Night Vigil, Op. 37: Great Doxology
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All-Night Vigil, Op. 37: This day of salvation - Christ is risen from the dead - Thanksgiving to the mother of God
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All-Night Vigil, Op. 37: Blessed is the man
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by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 4
genre: classical
genre: classical-piano
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  date published: 2026-07-30T04:47:22Z
audio: All-Night Vigil, Op. 37: Blessed is the man
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All-Night Vigil, Op. 37: Now lettest thou depart
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duration: PT3M58S
duration ms: 238564
explicit: false
by artist: Sergei Rachmaninoff
by artist: Victor Rumyantsev
by artist: State Symphony Capella of Russia
by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 5
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T11:07:37Z
audio: All-Night Vigil, Op. 37: Now lettest thou depart
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All-Night Vigil, Op. 37: Hail Mary
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by artist: Victor Rumyantsev
by artist: State Symphony Capella of Russia
by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 4
genre: classical
genre: classical-piano
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T05:15:54Z
audio: All-Night Vigil, Op. 37: Hail Mary
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All-Night Vigil, Op. 37: Psalm 134-135 (135-136), "O praise the name of the Lord"
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by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 2
genre: classical
genre: classical-piano
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  date published: 2026-07-31T02:19:15Z
audio: All-Night Vigil, Op. 37: Psalm 134-135 (135-136), "O praise the name of the Lord"
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All-Night Vigil, Op. 37: Blessed be the Lord
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by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 3
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  date published: 2026-07-30T12:06:10Z
audio: All-Night Vigil, Op. 37: Blessed be the Lord
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All-Night Vigil, Op. 37: Christ's resurrection
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by artist: State Symphony Capella of Russia
by artist: Valery Polyansky
in album: Rachmaninoff: All-Night Vigil, Op. 37
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popularity: 4
genre: classical
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  date published: 2026-07-30T09:57:33Z
audio: All-Night Vigil, Op. 37: Christ's resurrection
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All-Night Vigil, Op. 37: My soul doth magnify the Lord
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popularity: 3
genre: classical
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  date published: 2026-07-31T05:17:02Z
audio: All-Night Vigil, Op. 37: My soul doth magnify the Lord
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USB8U1521556
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+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

Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 1, Jocul cu bâtă
type: MusicRecording
duration: PT1M30S
duration ms: 90239
explicit: false
by artist: Béla Bartók
by artist: Yuri Zhislin
by artist: State Symphony Capella of Russia
by artist: Valery Polyansky
in album: Bartók: Orchestral Works
  type: MusicAlbum
  date published: 2021
isrc code: GBYDS2400146
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T02:40:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x566dc0a1b555f51325c55a66138f82ad32b77ecf91bab26659e717382efe25ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBYDS2400146
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
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: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+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 0x566dc0a1b555f51325c55a66138f82ad32b77ecf91bab26659e717382efe25ed. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/GBYDS2400146.
  date published: 2026-06-13T13:32:09Z
audio: Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 1, Jocul cu bâtă
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.109
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.455
  additional property: Energy
    type: PropertyValue
    value: 0.096
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.341
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.109
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 3, Pe loc
type: MusicRecording
duration: PT1M12S
duration ms: 72062
explicit: false
by artist: Béla Bartók
by artist: Yuri Zhislin
by artist: State Symphony Capella of Russia
by artist: Valery Polyansky
in album: Bartók: Orchestral Works
  type: MusicAlbum
  date published: 2021
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94392a5ad3ab0b3d91b1508b237ed3b0ee876639925326b4620ab139b3a70a4c. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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/GBYDS2400148.
  date published: 2026-07-31T05:48:18Z
audio: Romanian Folk Dances, Sz. 56 (Arr. for Violin & String Orchestra by Yuri Zhislin): No. 3, Pe loc
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.724
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.477
  additional property: Energy
    type: PropertyValue
    value: 0.052
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.96
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.642
  additional property: Liveness
    type: PropertyValue
    value: 0.061
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.958
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: GBYDS2400148
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: 960354
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T05:48:18+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBYDS2400148
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960354
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960354
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:18+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