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type: MusicGroup
genre: choral
genre: gregorian chant
popularity: 10
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-21T03:45:44Z
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track: Vespers, Op. 37: Come, Let Us Worship
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  duration: PT1M43S
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  by artist: Sergei Rachmaninoff
  by artist: Yuri Korinnyk
  by artist: Mykhaylo Tyshchenko
  by artist: Olga Borusene
  by artist: National Choir Of The Ukraine "Dumka"
  by artist: Yevhen Savchuk
  in album: Rachmaninoff: Vespers, Op. 37
    type: MusicAlbum
    date published: 2009-07-01
  genre: classical
  genre: classical-piano
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903682
  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 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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x132a884cb840dcf53a18478e3335b53666c289dcbf17bcad197c4144154af497. 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/NLY330903682.
    date published: 2026-07-02T03:55:08Z
  audio: Vespers, Op. 37: Come, Let Us Worship
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track: Vespers, Op. 37: Bless the Lord, O My Soul
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  by artist: Sergei Rachmaninoff
  by artist: Yuri Korinnyk
  by artist: Mykhaylo Tyshchenko
  by artist: Olga Borusene
  by artist: National Choir Of The Ukraine "Dumka"
  by artist: Yevhen Savchuk
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    date published: 2009-07-01
  genre: classical
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Vespers, Op. 37: Bless the Lord, O My Soul
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track: Vespers, Op. 37: Blessed Be the Man
track: Vespers, Op. 37: O Serene Light
track: Vespers, Op. 37: Now let Thy Servant Depart
track: Vespers, Op. 37: Rejoice, O Virgin
track: Vespers, Op. 37: Glory to God in the Highest
track: Vespers, Op. 37: Praise the Name of the Lord
track: Vespers, Op. 37: Blessed Art Thou, O Lord
track: Vespers, Op. 37: Having Seen the Resurrection of the Lord
track: Vespers, Op. 37: My Soul Magnifies the Lord
track: Vespers, Op. 37: Glory to God in the Highest (2)
track: Vespers, Op. 37: Troparia of the Day of Salvation
track: Vespers, Op. 37: Christ is Risen from the Grave
track: Vespers, Op. 37: Thanksgiving to the Mother of God
track: Vespers, Op. 37: Bless The Lord, O My Soul

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Vespers, Op. 37: Blessed Be the Man
type: MusicRecording
duration: PT5M37S
duration ms: 337556
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903684
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-06T06:56:49Z
audio: Vespers, Op. 37: Blessed Be the Man
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Vespers, Op. 37: O Serene Light
type: MusicRecording
duration: PT3M26S
duration ms: 206957
explicit: false
by artist: Sergei Rachmaninoff
by artist: Mykhaylo Tyshchenko
by artist: Yuri Korinnyk
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
by artist: Olga Borusene
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903685
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 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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T12:35:17Z
audio: Vespers, Op. 37: O Serene Light
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Vespers, Op. 37: Now let Thy Servant Depart
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duration: PT3M56S
duration ms: 236595
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by artist: Sergei Rachmaninoff
by artist: Mykhaylo Tyshchenko
by artist: Yuri Korinnyk
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
by artist: Olga Borusene
in album: Rachmaninoff: Vespers, Op. 37
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  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903686
additional property: CopyrightID
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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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c523efda891f70dc8905075c4ec3ba4cf4329757c2885e95c32822029fc13cc. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903686.
  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: Now let Thy Servant Depart
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Vespers, Op. 37: Rejoice, O Virgin
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by artist: Mykhaylo Tyshchenko
by artist: Yuri Korinnyk
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
by artist: Olga Borusene
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genre: classical
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903687
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcac1f97c35c5cdb27b94cf03dfe8dcfc99816b89444c6f270c4a5e412dd72f1f. 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/NLY330903687.
  date published: 2026-07-02T03:55:08Z
audio: Vespers, Op. 37: Rejoice, O Virgin
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  additional property: Tempo (BPM)
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    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.151
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    value: 0.938
  additional property: Liveness
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    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.602
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vespers, Op. 37: Glory to God in the Highest
type: MusicRecording
duration: PT2M47S
duration ms: 167864
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903688
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T21:38:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f87821917272688cb3f69daf471e5ef5d6fe049ca71b60a4f4d439f5b31d03e
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903688
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f87821917272688cb3f69daf471e5ef5d6fe049ca71b60a4f4d439f5b31d03e. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), 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/NLY330903688.
  date published: 2026-07-29T21:51:49Z
audio: Vespers, Op. 37: Glory to God in the Highest
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 108.398
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.149
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
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Vespers, Op. 37: Praise the Name of the Lord
type: MusicRecording
duration: PT2M30S
duration ms: 150544
explicit: false
by artist: Sergei Rachmaninoff
by artist: Mykhaylo Tyshchenko
by artist: Yuri Korinnyk
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
by artist: Olga Borusene
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903689
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:52:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75ce909a97d941862072c72d8af9f0974f0fc5b0642eda2f8dc6395da4de7ec3
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/NLY330903689
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75ce909a97d941862072c72d8af9f0974f0fc5b0642eda2f8dc6395da4de7ec3. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903689.
  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: Praise the Name of the Lord
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.401
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.435
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vespers, Op. 37: Blessed Art Thou, O Lord
type: MusicRecording
duration: PT5M59S
duration ms: 359723
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903690
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T23:21:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89323b7a800092d21b482d469d1b2604f9469e39bb4e8aefaa842a0cabf62442
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960166
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960166
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903690
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T23:39:29Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89323b7a800092d21b482d469d1b2604f9469e39bb4e8aefaa842a0cabf62442. Chain 2 (Bitcoin): anchored in block 960166 (2026-07-29T23:39:29Z), 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/NLY330903690.
  date published: 2026-07-29T23:39:29Z
audio: Vespers, Op. 37: Blessed Art Thou, O Lord
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.025
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.899
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vespers, Op. 37: Having Seen the Resurrection of the Lord
type: MusicRecording
duration: PT3M13S
duration ms: 193996
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903691
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:38:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6db7342de0391ebba297b30d7235c127b586282892cb2eb9be1264ac441f20a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903691
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6db7342de0391ebba297b30d7235c127b586282892cb2eb9be1264ac441f20a. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903691.
  date published: 2026-07-30T06:39:12Z
audio: Vespers, Op. 37: Having Seen the Resurrection of the Lord
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.133
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.109
  additional property: Energy
    type: PropertyValue
    value: 0.08
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.585
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.139
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vespers, Op. 37: My Soul Magnifies the Lord
type: MusicRecording
duration: PT9M42S
duration ms: 582947
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903692
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:23:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7bd7c24c70e6174f93711c800a7c3abb0bf65aa9be633a00783f78656ea8a340
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/NLY330903692
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7bd7c24c70e6174f93711c800a7c3abb0bf65aa9be633a00783f78656ea8a340. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903692.
  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: My Soul Magnifies the Lord
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.391
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.07
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.892
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.511
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vespers, Op. 37: Glory to God in the Highest (2)
type: MusicRecording
duration: PT7M47S
duration ms: 467629
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
  type: MusicAlbum
  date published: 2009-07-01
genre: classical
genre: classical-piano
isrc code: NLY330903693
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T02:27:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b2107da4b86e9aa24f1fa7f812ab34ec12e544246425691c54638789aa21ca1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960200
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960200
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY330903693
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:37:10Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b2107da4b86e9aa24f1fa7f812ab34ec12e544246425691c54638789aa21ca1. Chain 2 (Bitcoin): anchored in block 960200 (2026-07-30T02:37:10Z), 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/NLY330903693.
  date published: 2026-07-30T02:37:10Z
audio: Vespers, Op. 37: Glory to God in the Highest (2)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.253
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.202
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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Vespers, Op. 37: Troparia of the Day of Salvation
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duration: PT1M58S
duration ms: 118115
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by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
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genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: Troparia of the Day of Salvation
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Vespers, Op. 37: Christ is Risen from the Grave
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duration: PT3M31S
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by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: Christ is Risen from the Grave
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Vespers, Op. 37: Thanksgiving to the Mother of God
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duration: PT1M48S
duration ms: 108320
explicit: false
by artist: Sergei Rachmaninoff
by artist: Yuri Korinnyk
by artist: Mykhaylo Tyshchenko
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Yevhen Savchuk
in album: Rachmaninoff: Vespers, Op. 37
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  date published: 2009-07-01
genre: classical
genre: classical-piano
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Vespers, Op. 37: Thanksgiving to the Mother of God
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Vespers, Op. 37: Bless The Lord, O My Soul
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by artist: Sergei Rachmaninoff
by artist: Olga Borusene
by artist: National Choir Of The Ukraine "Dumka"
by artist: Mykhaylo Tyshchenko
by artist: Yuri Korinnyk
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: Vespers, Op. 37: Bless The Lord, O My Soul
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