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album: Requiem In C Minor / Te Deum
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  track: Stabat Mater in G Minor: II. O quam tristis
  track: Stabat Mater in G Minor: III. Quis est homo
  track: Stabat Mater in G Minor: IV. Pro peccatis suae gentis
  track: Stabat Mater in G Minor: V. Vidit suum
  track: Stabat Mater in G Minor: VII. Sancta Mater
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  track: 10 Sub tuum praesidium, ZWV 157: No. 1 in G Minor
  track: Sanctus et Agnus Dei in D Minor: I. Sanctus
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album: Stefani: Cud mniemany, czyli Krakowiacy i Górale
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Stabat Mater in G Minor: I. Stabat Mater
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Stabat Mater in G Minor: II. O quam tristis
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Stabat Mater in G Minor: III. Quis est homo
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Stabat Mater in G Minor: IV. Pro peccatis suae gentis
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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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T16:07:00Z
audio: Stabat Mater in G Minor: IV. Pro peccatis suae gentis
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Stabat Mater in G Minor: V. Vidit suum
type: MusicRecording
duration: PT1M5S
duration ms: 65613
explicit: false
by artist: Frantisek Tuma
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 8
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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
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  date published: 2026-07-07T18:39:05Z
audio: Stabat Mater in G Minor: V. Vidit suum
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Stabat Mater in G Minor: VII. Sancta Mater
type: MusicRecording
duration: PT1M57S
duration ms: 117546
explicit: false
by artist: Frantisek Tuma
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 10
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Stabat Mater in G Minor: VII. Sancta Mater
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10 Sub tuum praesidium, ZWV 157: No. 1 in G Minor
type: MusicRecording
duration: PT2M57S
duration ms: 177946
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 1
isrc code: CZA161304262
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 10 Sub tuum praesidium, ZWV 157: No. 1 in G Minor
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Sanctus et Agnus Dei in D Minor: I. Sanctus
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duration: PT0M52S
duration ms: 52586
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 1
isrc code: CZA161304294
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Sanctus et Agnus Dei in D Minor: I. Sanctus
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10 Sub tuum praesidium, ZWV 157: No. 2 in C Minor
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duration: PT5M12S
duration ms: 312106
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 1
isrc code: CZA161304263
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additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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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additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: 10 Sub tuum praesidium, ZWV 157: No. 2 in C Minor
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Stabat Mater in G Minor: VI. Eja Mater
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duration: PT1M2S
duration ms: 62186
explicit: false
by artist: Frantisek Tuma
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by artist: Collegium vocale 1704
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in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
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  date published: 2014-01-31
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T14:28:24Z
audio: Stabat Mater in G Minor: VI. Eja Mater
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Stabat Mater in G Minor: VIII. Fac me tecum
type: MusicRecording
duration: PT1M37S
duration ms: 97946
explicit: false
by artist: Frantisek Tuma
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x181ca3d87a8df44b98a0832aac9ff23aa78921010a9d58da01137a231a5f07a6. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/CZA161304272.
  date published: 2026-07-29T15:22:21Z
audio: Stabat Mater in G Minor: VIII. Fac me tecum
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additional property: CopyrightID
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Stabat Mater in G Minor: IX. Virgo virginum praeclara
type: MusicRecording
duration: PT2M7S
duration ms: 127653
explicit: false
by artist: Frantisek Tuma
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 1
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c32c8eb48cde6d3116e64f5e1619c0b4b8c609c6a17d108751ce42ea193b7f. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/CZA161304273.
  date published: 2026-07-29T14:28:24Z
audio: Stabat Mater in G Minor: IX. Virgo virginum praeclara
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  additional property: Musical Key
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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: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: CZA161304273
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Stabat Mater in G Minor: XI. Quando corpus morietur
type: MusicRecording
duration: PT2M49S
duration ms: 169466
explicit: false
by artist: Frantisek Tuma
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb74fee5ac49d403749cb15c1f99f6b3a35071c0024fa722cf756d97105bd1f99. Chain 2 (Bitcoin): anchored in block 960117 (2026-07-29T14:28:24Z), 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/CZA161304275.
  date published: 2026-07-29T14:28:24Z
audio: Stabat Mater in G Minor: XI. Quando corpus morietur
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
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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: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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isrc code: CZA161304275
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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

Sanctus et Agnus Dei in D Minor: II. Benedictus
type: MusicRecording
duration: PT1M2S
duration ms: 62840
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 0
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9621ee812e6956302dd96df5a916d0e7a16b95795b4f6b98b2731770291fa53f. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CZA161304295.
  date published: 2026-07-31T15:20:15Z
audio: Sanctus et Agnus Dei in D Minor: II. Benedictus
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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    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: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
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  additional property: Key Name
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isrc code: CZA161304295
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSVerificationAPI
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additional property: OTSHash
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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

Sanctus et Agnus Dei in D Minor: IV. Agnus Dei
type: MusicRecording
duration: PT2M36S
duration ms: 156706
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 0
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Sanctus et Agnus Dei in D Minor: IV. Agnus Dei
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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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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

10 Sub tuum praesidium, ZWV 157: No. 3 in D Minor
type: MusicRecording
duration: PT3M16S
duration ms: 196626
explicit: false
by artist: Jan Dismas Zelenka
by artist: Collegium 1704
by artist: Collegium vocale 1704
by artist: Vaclav Luks
in album: Zelenka: Sanctus et Agnus Dei - Tůma: Stabat Mater. Music from 18th Century Prague
  type: MusicAlbum
  date published: 2014-01-31
popularity: 1
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa31e32eca11e89a4912152d55ab6de67d92bc2e7e309e3f0f35f72a5d48d6bbe. 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/CZA161304264.
  date published: 2026-07-31T12:24:41Z
audio: 10 Sub tuum praesidium, ZWV 157: No. 3 in D Minor
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  additional property: Musical Key
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  additional property: Time Signature
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    value: 5
  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
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    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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isrc code: CZA161304264
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: OTSVerificationAPI
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additional property: OTSBitcoinBlock
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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

Musical Key
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value: 11

Mode (Major/Minor)
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value: 0

Time Signature
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value: 5

Danceability
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value: 0.476

Energy
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value: 0.339

Speechiness
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value: 0.032

Acousticness
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value: 0.936

Instrumentalness
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value: 0.013

Liveness
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value: 0.217

Valence (Positivity)
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value: 0.432

Loudness (dB)
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value: -16.182

Key Name
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Mode Name
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