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type: MusicGroup
popularity: 7
followers: 75
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x3925d6d94190721a35ef468540181217822990b2515537ef227051fb1b544ccf
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/90873ddc-379b-4688-9801-85274a97fcf2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/90873ddc-379b-4688-9801-85274a97fcf2.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/90873ddc-379b-4688-9801-85274a97fcf2
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin 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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3925d6d94190721a35ef468540181217822990b2515537ef227051fb1b544ccf. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/90873ddc-379b-4688-9801-85274a97fcf2.json and https://artists.proofprofile.net/proofs/artist/90873ddc-379b-4688-9801-85274a97fcf2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
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album: Fibich: Šárka, Op. 51
  type: MusicAlbum
  date published: 2016-01-01
album: Janáček: Osud
  type: MusicAlbum
  date published: 2016-01-01
album: Vanhal: Missa Solemnis in E-Flat Major, Stabat Mater in F Major & Symphony in D Major, Bryan D4
  type: MusicAlbum
  date published: 2019-04-12
  track: Missa solemnis in E-Flat Major: VIa. Agnus Dei
    type: MusicRecording
    duration: PT2M42S
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    by artist: Johann Baptist Vanhal
    by artist: Prager Kammerchor
    by artist: Virtuosi Di Praga
    by artist: Václav Neumann
    in album: Vanhal: Missa Solemnis in E-Flat Major, Stabat Mater in F Major & Symphony in D Major, Bryan D4
      type: MusicAlbum
      date published: 2019-04-12
    popularity: 1
    genre: classical
    isrc code: DEB959535316
    additional property: CopyrightID
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      value: registered
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/960397
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB959535316
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-31T12:24:41Z
    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 0x103774863f8c2489dee843ce7e2b6a3c55057a693901d9ecc907f016733074bb. 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/DEB959535316.
      date published: 2026-07-31T12:24:41Z
    audio: Missa solemnis in E-Flat Major: VIa. Agnus Dei
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      additional property: Valence (Positivity)
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album: Vanhal: Stabat Mater in F Minor & Symphony in D Major
  type: MusicAlbum
  date published: 2016-01-01
album: Vanhal: Missa Solemnis in E-Flat Major
  type: MusicAlbum
  date published: 2016-01-01
album: Vivaldi: Nisi Dominus & Stabat Mater
  type: MusicAlbum
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    by artist: Antonio Vivaldi
    by artist: Josef Pancik
    by artist: Tadeusz Strugala
    by artist: Virtuosi Di Praga
    by artist: Prague Chamber Choir
    in album: Vivaldi: Nisi Dominus & Stabat Mater
      type: MusicAlbum
      date published: 2007
    popularity: 2
    genre: classical
    genre: early-music
    genre: baroque
    genre: concerto
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    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
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    additional property: OTSBitcoinBlock
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    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
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    additional property: OTSVerificationAPI
      type: PropertyValue
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-08-01T02:22:04Z
    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 0x8628ba8a9705d169230cb4439fb52847e1e7bbdab9f708e91470855e69531464. Chain 2 (Bitcoin): anchored in block 960497 (2026-08-01T02:22:04Z), 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/USRDG0112380.
      date published: 2026-08-01T02:22:04Z
    audio: Nisi Dominus In G Minor, RV 608: IV. Cum Dederit
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      additional property: Tempo (BPM)
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      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
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album: Dvorak, Schubert & Others: Stabat mater (Remastered 2022)
album: Janacek: Chamber & Orchestral Works
album: Pastores surgite. Latin Pastorals of the Czech Classical Period
album: Antonín Dvořák: Moravské dvojzpěvy (2., 3. a 4. řada)
album: Antonín Dvořák: Moravian Duets Op. 29, Op. 32, Op. 38 (Series II, III, IV)
album: Dvořák: Stabat Mater
album: Cikker: Komorné a koncertantné diela
album: Caldara, Arbesser, Schmid: Laetatus Sum
album: Music for Easter
album: Jommelli: Te Deum & Mass in D major
album: Dvořák - Janáček - Eben
album: Haydn: Missa Cellensis - Jommelli: Te Deum & Mass in D Major
album: Mahler: Symphony No. 3
album: Opera Rarities

Mode (Major/Minor)
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Danceability
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Energy
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Acousticness
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value: 0.145

Liveness
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Valence (Positivity)
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value: 0.087

Loudness (dB)
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value: -24.487

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Mode Name
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value: Minor

Dvorak, Schubert & Others: Stabat mater (Remastered 2022)
type: MusicAlbum
date published: 2022-09-02
track: Stabat mater, RV 621: No. 3, O quam tristis (Remastered 2022)
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  by artist: Antonio Vivaldi
  by artist: Ingrid Habermann
  by artist: Marta Benackova
  by artist: Kurz Azesberger
  by artist: Peter Mikulas
  by artist: Virtuosi Di Praga
  by artist: Prague Chamber Choir
  by artist: Martin Sieghart
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    type: MusicAlbum
    date published: 2022-09-02
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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    value: 2026-07-31T19:42:37+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xcd88fafb016c1133b0126ca55db043dd6a2e626545c60d818c5abf72510ad211
  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: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEAD62205126
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T19:53:13Z
  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 0xcd88fafb016c1133b0126ca55db043dd6a2e626545c60d818c5abf72510ad211. 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/DEAD62205126.
    date published: 2026-07-31T19:53:13Z
  audio: Stabat mater, RV 621: No. 3, O quam tristis (Remastered 2022)
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    additional property: Tempo (BPM)
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      value: 144.547
    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    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
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Janacek: Chamber & Orchestral Works
type: MusicAlbum
date published: 2004-01-01

Pastores surgite. Latin Pastorals of the Czech Classical Period
type: MusicAlbum
date published: 1992-01-01

Antonín Dvořák: Moravské dvojzpěvy (2., 3. a 4. řada)
type: MusicAlbum
date published: 2014
track: Moravské dvojzpěvy, 2. řada, Op. 29: III. Dyby byla kosa nabróšená
  type: MusicRecording
  duration: PT1M17S
  duration ms: 77862
  explicit: false
  by artist: Antonín Dvořák
  by artist: Magdaléna Hajóssyová
  by artist: Marta Benackova
  by artist: Marián Lapšanský
  in album: Antonín Dvořák: Moravské dvojzpěvy (2., 3. a 4. řada)
    type: MusicAlbum
    date published: 2014
  genre: classical
  genre: late-romantic-era
  genre: czech-classical
  isrc code: CZD949100470
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  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/CZD949100470
  additional property: OTSTimestamp
    type: PropertyValue
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x472c95783482f6292e81448ace6f3d204619c916170aa724cdccd152ffce1bb8. 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/CZD949100470.
    date published: 2026-07-08T03:20:19Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    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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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Moravské dvojzpěvy, 3. řada, Op. 32: IV. Prsten
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162470
  explicit: false
  by artist: Antonín Dvořák
  by artist: Magdaléna Hajóssyová
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  in album: Antonín Dvořák: Moravské dvojzpěvy (2., 3. a 4. řada)
    type: MusicAlbum
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  genre: classical
  genre: late-romantic-era
  genre: czech-classical
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD949100476
  additional property: OTSTimestamp
    type: PropertyValue
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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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6c24fe2fc50ad8da179a8799c344281a84384ebb7ec62007416886c471b444a. Chain 2 (Bitcoin): anchored in block 960321 (2026-07-30T22:27:30Z), 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/CZD949100476.
    date published: 2026-07-30T22:27:30Z
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    additional property: Mode (Major/Minor)
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  subject of: OpenTimestamps Proof of Existence
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CopyrightRegisteredAt
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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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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

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91aa7a1a0cbfcfc9603752b63ed2155d174f33aa5faa527997dac3dbaa44b372. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZD949100479.
date published: 2026-07-31T19:53:57Z

Moravské dvojzpěvy, 3. řada, Op. 32: VII. Zajatá
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  genre: classical
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  additional property: OTSVerifyInstructions
    type: PropertyValue
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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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: 2026-07-29T19:35:34Z
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  subject of: OpenTimestamps Proof of Existence
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track: Stabat Mater, Op. 58, B. 71: IV. Fac, ut ardeat cor meum. Largo
track: Stabat Mater, Op. 58, B. 71: V. Tui nati vulnerati. Andante con moto quasi allegretto
track: Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere. Andante con moto
track: Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo
track: Stabat Mater, Op. 58, B. 71: VIII. Fac, ut portem Christi mortem. Larghetto
track: Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus. Andante maestoso
track: Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto

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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
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date published: 2026-07-02T03:55:08Z

Stabat Mater, Op. 58, B. 71: III. Eja, Mater, fons amoris. Andante con moto
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by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Jaroslav Brych
in album: Dvořák: Stabat Mater
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genre: classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
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popularity: 4
genre: classical
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genre: czech-classical
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Stabat Mater, Op. 58, B. 71: V. Tui nati vulnerati. Andante con moto quasi allegretto
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Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere. Andante con moto
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by artist: Antonín Dvořák
by artist: John Uhlenhopp
by artist: Prague Symphony Orchestra
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Jaroslav Brych
in album: Dvořák: Stabat Mater
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  date published: 1997-01-01
popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
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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
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  date published: 2026-07-29T21:51:49Z
audio: Stabat Mater, Op. 58, B. 71: VI. Fac me vere tecum flere. Andante con moto
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Stabat Mater, Op. 58, B. 71: VII. Virgo virginum praeclara. Largo
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by artist: Prague Symphony Orchestra
by artist: Bambini Di Praga
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Blanka Kulínská
by artist: Jaroslav Brych
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genre: classical
genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T07:48:45Z
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Stabat Mater, Op. 58, B. 71: VIII. Fac, ut portem Christi mortem. Larghetto
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by artist: Antonín Dvořák
by artist: Eva Urbanová
by artist: John Uhlenhopp
by artist: Prague Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Dvořák: Stabat Mater
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  date published: 1997-01-01
popularity: 3
genre: classical
genre: late-romantic-era
genre: czech-classical
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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: 2026-07-08T03:20:19Z
audio: Stabat Mater, Op. 58, B. 71: VIII. Fac, ut portem Christi mortem. Larghetto
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Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus. Andante maestoso
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duration: PT5M47S
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by artist: Prague Symphony Orchestra
by artist: Jiří Bělohlávek
in album: Dvořák: Stabat Mater
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popularity: 3
genre: classical
genre: late-romantic-era
genre: czech-classical
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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: 2026-07-30T09:57:33Z
audio: Stabat Mater, Op. 58, B. 71: IX. Inflammatus et accensus. Andante maestoso
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Stabat Mater, Op. 58, B. 71: X. Quando corpus morietur. Andante con moto
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duration: PT7M35S
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by artist: Marta Benackova
by artist: John Uhlenhopp
by artist: Peter Mikuláš
by artist: Prague Symphony Orchestra
by artist: Bambini Di Praga
by artist: Prague Philharmonic Choir
by artist: Jiří Bělohlávek
by artist: Blanka Kulínská
by artist: Jaroslav Brych
in album: Dvořák: Stabat Mater
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popularity: 4
genre: classical
genre: late-romantic-era
genre: czech-classical
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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
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  date published: 2026-07-08T03:20:19Z
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Cikker: Komorné a koncertantné diela
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date published: 2015-02-09

Caldara, Arbesser, Schmid: Laetatus Sum
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date published: 1995-01-01

Music for Easter
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date published: 2013-02-26
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  additional property: OTSVerificationAPI
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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
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    date published: 2026-07-30T15:42:38Z
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Jommelli: Te Deum & Mass in D major
type: MusicAlbum
date published: 2016-01-01

Dvořák - Janáček - Eben
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Haydn: Missa Cellensis - Jommelli: Te Deum & Mass in D Major
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