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type: MusicGroup
popularity: 7
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf62c99cd965fcf95e630f3850b2c9cf746b1e88dfab3625620cd9273ce93a5de
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954533
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a45fb978-1141-4927-9cb6-6be44dfd05ee.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a45fb978-1141-4927-9cb6-6be44dfd05ee.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a45fb978-1141-4927-9cb6-6be44dfd05ee
additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf62c99cd965fcf95e630f3850b2c9cf746b1e88dfab3625620cd9273ce93a5de. Chain 2 (Bitcoin): anchored in block 954533 (2026-06-20T08:57:02Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a45fb978-1141-4927-9cb6-6be44dfd05ee.json and https://artists.proofprofile.net/proofs/artist/a45fb978-1141-4927-9cb6-6be44dfd05ee.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T08:57:02Z
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album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Kyrie eleison (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 3: Rex tremendae majestatis (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 1: Dies Irae (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 5: Confutatis maledictis (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 6: Lacrimosa dies illa (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 2: Hostias et preces (Chorus) -
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sanctus (Chorus)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)
  track: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Cum Sanctis Tuis (Chorus)
  track: Ave verum corpus, K. 618

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
type: MusicRecording
duration: PT4M44S
duration ms: 284266
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 6
genre: classical
genre: classical-era
isrc code: PLA161521001
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/PLA161521001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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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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  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb9c7add78b001a22a13592d4a6fb742f881a531557103f8476e1c13f33c4da0. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521001.
  date published: 2026-07-08T03:22:41Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Introit: Requiem aeternam (Chorus)
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  additional property: Tempo (BPM)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Acousticness
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  additional property: Key Name
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Kyrie eleison (Chorus)
type: MusicRecording
duration: PT2M31S
duration ms: 151640
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
genre: classical
genre: classical-era
isrc code: PLA161521002
additional property: CopyrightID
additional property: CopyrightStatus
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  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-07-07T03:40:42+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xd3b79c0ea918ecef3c2417ca62adda29a523acc41949a73bd791de572035827a
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521002
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3b79c0ea918ecef3c2417ca62adda29a523acc41949a73bd791de572035827a. 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/PLA161521002.
  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Kyrie eleison (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.616
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 3: Rex tremendae majestatis (Chorus)
type: MusicRecording
duration: PT2M17S
duration ms: 137720
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 10
genre: classical
genre: classical-era
isrc code: PLA161521005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T09:24:28+00:00
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: OTSVerificationAPI
  type: PropertyValue
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ea7bcee5ee89e6f027a9f5cff3253f8fd9004281eaf029c17c97b8f493b0cce. 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/PLA161521005.
  date published: 2026-07-02T03:55:08Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 3: Rex tremendae majestatis (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.252
  additional property: Musical Key
    type: PropertyValue
    value: 7
  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: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
type: MusicRecording
duration: PT5M24S
duration ms: 324493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
isrc code: PLA161521006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:30:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9fbee82afddc75417e7382caae65d1c4cfe5c471871efbc83d197b55e84d9e03
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fbee82afddc75417e7382caae65d1c4cfe5c471871efbc83d197b55e84d9e03. 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/PLA161521006.
  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 4: Recordare, Jesu pie (Soprano, Mezzo-soprano, Tenor, Baritone)
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  additional property: Tempo (BPM)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
type: MusicRecording
duration: PT3M22S
duration ms: 202786
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
isrc code: PLA161521013
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957124
additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Agnus Dei (Chorus)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
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duration: PT3M2S
duration ms: 182866
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
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popularity: 1
genre: classical
genre: classical-era
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Communion: Lux aeterna (Soprano, Chorus)
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Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 1: Dies Irae (Chorus)
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duration: PT2M0S
duration ms: 120693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
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  date published: 2015-11-06
popularity: 3
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 1: Dies Irae (Chorus)
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isrc code: PLA161521003
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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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

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
type: MusicRecording
duration: PT3M54S
duration ms: 234386
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Łukasz Hodor
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dd678d3bdfd98a71b529c36fc713694158d976580a840026992cab90fc141a3. Chain 2 (Bitcoin): anchored in block 960349 (2026-07-31T05:23:41Z), 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/PLA161521004.
  date published: 2026-07-31T05:23:41Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 2: Tuba mirum (Soprano, Mezzo-soprano, Tenor, Baritone)
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isrc code: PLA161521004
additional property: CopyrightID
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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

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 5: Confutatis maledictis (Chorus)
type: MusicRecording
duration: PT2M47S
duration ms: 167080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:51:48Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 5: Confutatis maledictis (Chorus)
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additional property: CopyrightID
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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

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 6: Lacrimosa dies illa (Chorus)
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duration: PT3M1S
duration ms: 181773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 5
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03b88bfb100de09b18e72a482425e2b0ecafaabbbd2dfd9eb88c4a9ec498db7a. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/PLA161521008.
  date published: 2026-07-29T19:35:34Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sequence No. 6: Lacrimosa dies illa (Chorus)
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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

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
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duration: PT3M20S
duration ms: 200520
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb59abce1206a405d168ec4d414097ea12fe2011f9a48a27bdbe7db311c6190b. Chain 2 (Bitcoin): anchored in block 960314 (2026-07-30T21:00:46Z), 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/PLA161521009.
  date published: 2026-07-30T21:00:46Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 1: Domine Jesu Christe (Chorus)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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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

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 2: Hostias et preces (Chorus) -
type: MusicRecording
duration: PT4M4S
duration ms: 244213
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87e6e451712b78328302bfc000d75fb62100b7bff40e6e9e3f10acf1dc296fd. 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/PLA161521010.
  date published: 2026-07-31T12:24:41Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Offertory No. 2: Hostias et preces (Chorus) -
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.519
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.088
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.061
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: PLA161521010
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960397
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521010
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sanctus (Chorus)
type: MusicRecording
duration: PT1M31S
duration ms: 91400
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd00ca4cdf98e8bb2823dd0c97d2b56f71c653eee8ffc708a7cf0c997abd17550. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521011.
  date published: 2026-08-01T03:13:03Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Sanctus (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.966
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.256
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.97
  additional property: Liveness
    type: PropertyValue
    value: 0.288
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.256
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.054
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLA161521011
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960500
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T03:13:03+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521011
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960500
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:13:03+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)
type: MusicRecording
duration: PT5M19S
duration ms: 319573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Olga Pasichnyk
by artist: Anna Lubanska
by artist: Krzysztof Szmyt
by artist: Krzysztof Borysiewicz
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcae1112b50fc153699b622f25f421054a1b3a0cb3e63e4409a888d5f34947ed. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), 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/PLA161521012.
  date published: 2026-07-31T21:25:57Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Benedictus (Soprano, Mezzo-soprano, Tenor, Baritone)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.973
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.173
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.098
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.705
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLA161521012
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960468
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T21:25:57+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521012
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Cum Sanctis Tuis (Chorus)
type: MusicRecording
duration: PT2M43S
duration ms: 163693
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb32d5018d26e57ea21eb3d503bd2738306bb25c054995cbdd7b4083ad163d596. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), 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/PLA161521015.
  date published: 2026-07-31T17:29:52Z
audio: Requiem in D Minor, K. 626 (Completed by F.X. Süssmayr): Cum Sanctis Tuis (Chorus)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.75
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.837
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.424
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.307
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: PLA161521015
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960441
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521015
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Ave verum corpus, K. 618
type: MusicRecording
duration: PT2M58S
duration ms: 178546
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sinfonia Amabile Choir
by artist: Sinfonia Amabile Orchestra
by artist: Piotr Wajrak
in album: Mozart: Requiem in D Minor, K. 626
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ffbf5542bd48bb97f79917879fc6d192e8a0cb5e44890377409bf4b1127392a. Chain 2 (Bitcoin): anchored in block 960105 (2026-07-29T12:35:17Z), 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/PLA161521016.
  date published: 2026-07-29T12:35:17Z
audio: Ave verum corpus, K. 618
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.871
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.063
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.033
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.778
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: PLA161521016
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960105
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T12:35:17+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PLA161521016
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960105
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T12:35:17+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch