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genre: opera
genre: requiem
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    subject of: OpenTimestamps Proof of Existence
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album: Bruckner: Messe F-Moll
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album: Bach: St. John Passion, BWV 245
album: Loewe: Lieder & Balladen, Vol . 7
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album: Loewe: Lieder & Balladen (Complete Edition, Vol. 1)
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album: Andreas Schmidt sings Strauss Songs
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track: Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
track: Tannhäuser - Paris Version / Act III: O du, mein holder Abendstern
track: Mass in C, K.317 "Coronation": 1. Kyrie
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track: Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
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track: Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Kyrie
track: Tannhäuser - Paris version / Act III: "Heil ! Heil! Der Gnade Wunder Heil!"
track: Die Zauberflöte, ZWEITER AUFZUG, Nr.10 Aria & Dialog: Aria con coro: O Isis und Osiris ... (Sarastro/Priester)

Winterreise, D.911: 24. Der Leiermann
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Die schöne Müllerin, D. 795: No. 7, Ungeduld
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  date published: 2026-06-13T15:41:10Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
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    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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    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.255
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.765
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.419
  additional property: Key Name
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    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
type: MusicRecording
duration: PT2M23S
duration ms: 143080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Catherine Pierard
by artist: Andreas Schmidt
by artist: Sir Roger Norrington
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 32
genre: classical
genre: classical-era
isrc code: GBAYC9001060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T09:36:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4a46ed6dc7a26c18b9db25664248d2180de2dd3ac47ccf047e4c294da840217b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+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 0x4a46ed6dc7a26c18b9db25664248d2180de2dd3ac47ccf047e4c294da840217b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9001060.
  date published: 2026-06-13T15:41:10Z
audio: Mozart: Die Zauberflöte, K. 620, Act 2: "Pa-pa-pa" (Papageno, Papagena)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.448
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.461
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.39
  additional property: Loudness (dB)
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    value: -21.345
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Tannhäuser - Paris Version / Act III: O du, mein holder Abendstern
type: MusicRecording
duration: PT3M0S
duration ms: 180640
explicit: false
by artist: Richard Wagner
by artist: Andreas Schmidt
by artist: Philharmonia Orchestra
by artist: Giuseppe Sinopoli
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1989-01-01
popularity: 28
genre: classical
genre: opera
isrc code: DEF058831010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T13:11:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdecd5d1a15ea4e94ab4ef68fc673b9275c19bacd60d085efdd8aac41ac590dae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+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 0xdecd5d1a15ea4e94ab4ef68fc673b9275c19bacd60d085efdd8aac41ac590dae. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEF058831010.
  date published: 2026-06-13T12:53:06Z
audio: Tannhäuser - Paris Version / Act III: O du, mein holder Abendstern
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.947
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.033
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.679
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Energy
type: PropertyValue
value: 0.098

Speechiness
type: PropertyValue
value: 0.062

Acousticness
type: PropertyValue
value: 0.98

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.23

Valence (Positivity)
type: PropertyValue
value: 0.375

Loudness (dB)
type: PropertyValue
value: -28.285

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Mozart: Don Giovanni, K. 527, Act 1: Duetto. "Fuggi, crudele, fuggi!" (Donna Anna, Don Ottavio)
type: MusicRecording
duration: PT3M25S
duration ms: 205506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Amanda Halgrimson
by artist: John Mark Ainsley
by artist: London Classical Players
in album: Mozart: Don Giovanni, K. 527 (Vienna Version)
  type: MusicAlbum
  date published: 2022-09-30
popularity: 0
genre: classical
genre: classical-era
isrc code: GBAYC9200856
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:45:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1fdc43064247e44cf892827a7ed75123c8bdf49e708b5dedd06c316a8864b59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200856
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd1fdc43064247e44cf892827a7ed75123c8bdf49e708b5dedd06c316a8864b59. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/GBAYC9200856.
  date published: 2026-07-08T03:53:27Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duetto. "Fuggi, crudele, fuggi!" (Donna Anna, Don Ottavio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.558
  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: 0.376
  additional property: Energy
    type: PropertyValue
    value: 0.044
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.119
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.418
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Ah! Chi mi dice mai" (Donna Elvira, Don Giovanni, Leporello)
type: MusicRecording
duration: PT3M29S
duration ms: 209373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: Gregory Yurisich
by artist: Lynn Dawson
by artist: London Classical Players
in album: Mozart: Don Giovanni, K. 527 (Vienna Version)
  type: MusicAlbum
  date published: 2022-09-30
popularity: 0
genre: classical
genre: classical-era
isrc code: GBAYC9200858
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:10:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x774ce83402a215ab1d6912f6a09fc596fde9d03f442bd52df78ebf2c4d372d8d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200858
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x774ce83402a215ab1d6912f6a09fc596fde9d03f442bd52df78ebf2c4d372d8d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/GBAYC9200858.
  date published: 2026-07-08T08:56:20Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Ah! Chi mi dice mai" (Donna Elvira, Don Giovanni, Leporello)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.289
  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: 0.339
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.441
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.182
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.544
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
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Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT2M40S
duration ms: 160293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: Nancy Argenta
by artist: London Classical Players
in album: Mozart: Don Giovanni, K. 527 (Vienna Version)
  type: MusicAlbum
  date published: 2022-09-30
popularity: 18
genre: classical
genre: classical-era
isrc code: GBAYC9200866
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:18:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200866
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200866.
  date published: 2026-07-02T03:30:09Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.981
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.351
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.022
  additional property: Liveness
    type: PropertyValue
    value: 0.42
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.207
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
type: MusicRecording
duration: PT1M36S
duration ms: 96800
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: London Classical Players
in album: Mozart: Don Giovanni, K. 527 (Vienna Version)
  type: MusicAlbum
  date published: 2022-09-30
popularity: 11
genre: classical
genre: classical-era
isrc code: GBAYC9200884
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:57:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8123bb94ac74fbfefce1fc8cfd603fdce775b145411c1dfcd96e24058a8fc9d7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC9200884
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8123bb94ac74fbfefce1fc8cfd603fdce775b145411c1dfcd96e24058a8fc9d7. 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/GBAYC9200884.
  date published: 2026-07-08T03:20:19Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Aria. "Fin ch'han dal vino" (Don Giovanni)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.799
  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: 0.649
  additional property: Energy
    type: PropertyValue
    value: 0.297
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.719
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.391
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bruckner: Messe F-Moll
type: MusicAlbum
date published: 1990-01-01
track: Mass No. 3 in F Minor, WAB 28: Qui tollis peccata mundi
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186400
  explicit: false
  by artist: Anton Bruckner
  by artist: Rundfunkchor Berlin
  by artist: Magdaléna Hajóssyová
  by artist: Rosemarie Lang
  by artist: Rundfunk-Sinfonieorchester Berlin
  by artist: Heinz Rögner
  in album: Bruckner: Messe F-Moll
    type: MusicAlbum
    date published: 1990-01-01
  genre: classical
  genre: orchestra
  isrc code: DES380010711
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T09:29:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf18a490c52f300dee257372c77a3844cf00c7416687e3829575e09a20e16efa0
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010711
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf18a490c52f300dee257372c77a3844cf00c7416687e3829575e09a20e16efa0. 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/DES380010711.
    date published: 2026-07-08T03:20:19Z
  audio: Mass No. 3 in F Minor, WAB 28: Qui tollis peccata mundi
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 158.567
    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: 0.101
    additional property: Energy
      type: PropertyValue
      value: 0.036
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.977
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.555
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -28.473
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Mass No. 3 in F Minor, WAB 28: Quoniam tu solus sanctus
  type: MusicRecording
  duration: PT2M12S
  duration ms: 132560
  explicit: false
  by artist: Anton Bruckner
  by artist: Rundfunkchor Berlin
  by artist: Magdaléna Hajóssyová
  by artist: Rosemarie Lang
  by artist: Rundfunk-Sinfonieorchester Berlin
  by artist: Heinz Rögner
  in album: Bruckner: Messe F-Moll
    type: MusicAlbum
    date published: 1990-01-01
  genre: classical
  genre: orchestra
  isrc code: DES380010712
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T04:53:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7f2283f0bbb8225aaa88eb185cdead1741812b66c4670e4e31bc85751a3b5dce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010712
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7f2283f0bbb8225aaa88eb185cdead1741812b66c4670e4e31bc85751a3b5dce. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DES380010712.
    date published: 2026-07-08T03:53:27Z
  audio: Mass No. 3 in F Minor, WAB 28: Quoniam tu solus sanctus
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 144.677
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.149
    additional property: Energy
      type: PropertyValue
      value: 0.077
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.957
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.523
    additional property: Liveness
      type: PropertyValue
      value: 0.043
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.045
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.867
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mass No. 3 in F Minor, WAB 28: In Gloria Dei Patris
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196373
  explicit: false
  by artist: Anton Bruckner
  by artist: Rundfunkchor Berlin
  by artist: Magdaléna Hajóssyová
  by artist: Rosemarie Lang
  by artist: Rundfunk-Sinfonieorchester Berlin
  by artist: Heinz Rögner
  in album: Bruckner: Messe F-Moll
    type: MusicAlbum
    date published: 1990-01-01
  genre: classical
  genre: orchestra
  isrc code: DES380010713
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mass No. 3 in F Minor, WAB 28: In Gloria Dei Patris
track: Mass No. 3 in F Minor, WAB 28: Credo in unum Deum
track: Mass No. 3 in F Minor, WAB 28: Et in spiritum sanctum
track: Mass No. 3 in F Minor, WAB 28: Benedictus
track: Mass No. 3 in F Minor, WAB 28: Dona nobis pacem

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T11:22:02+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x151acbc28094267e155d14a5872a040baeba3ce1fedbfc601b7000951714644d

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010713

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x151acbc28094267e155d14a5872a040baeba3ce1fedbfc601b7000951714644d. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DES380010713.
date published: 2026-07-08T03:53:27Z

Mass No. 3 in F Minor, WAB 28: In Gloria Dei Patris
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 96.284
additional property: Musical Key
  type: PropertyValue
  value: 0
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.326
additional property: Energy
  type: PropertyValue
  value: 0.203
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
  type: PropertyValue
  value: 0.976
additional property: Instrumentalness
  type: PropertyValue
  value: 0.93
additional property: Liveness
  type: PropertyValue
  value: 0.176
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.197
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.425
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Mass No. 3 in F Minor, WAB 28: Credo in unum Deum
type: MusicRecording
duration: PT2M11S
duration ms: 131133
explicit: false
by artist: Anton Bruckner
by artist: Rundfunkchor Berlin
by artist: Magdaléna Hajóssyová
by artist: Rosemarie Lang
by artist: Andreas Schmidt
by artist: Hermann Christian Polster
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Heinz Rögner
in album: Bruckner: Messe F-Moll
  type: MusicAlbum
  date published: 1990-01-01
genre: classical
genre: orchestra
isrc code: DES380010714
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:14:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c2065f2f87ccb62c9169308c81c2b81bcdb41f68cbc3ca35624a73657be8c59
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010714
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c2065f2f87ccb62c9169308c81c2b81bcdb41f68cbc3ca35624a73657be8c59. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/DES380010714.
  date published: 2026-07-08T03:53:27Z
audio: Mass No. 3 in F Minor, WAB 28: Credo in unum Deum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.251
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.32
  additional property: Energy
    type: PropertyValue
    value: 0.153
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.745
  additional property: Liveness
    type: PropertyValue
    value: 0.119
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.297
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 3 in F Minor, WAB 28: Et in spiritum sanctum
type: MusicRecording
duration: PT2M28S
duration ms: 148133
explicit: false
by artist: Anton Bruckner
by artist: Rundfunkchor Berlin
by artist: Magdaléna Hajóssyová
by artist: Rosemarie Lang
by artist: Andreas Schmidt
by artist: Hermann Christian Polster
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Heinz Rögner
in album: Bruckner: Messe F-Moll
  type: MusicAlbum
  date published: 1990-01-01
genre: classical
genre: orchestra
isrc code: DES380010718
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:04:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x491515f95b91c39e6238a405a1e37164ef79ae6c93dd817ef4371bd949bfefb5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010718
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491515f95b91c39e6238a405a1e37164ef79ae6c93dd817ef4371bd949bfefb5. 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/DES380010718.
  date published: 2026-07-08T03:22:41Z
audio: Mass No. 3 in F Minor, WAB 28: Et in spiritum sanctum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.824
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.158
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.611
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.151
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.466
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 3 in F Minor, WAB 28: Benedictus
type: MusicRecording
duration: PT5M52S
duration ms: 352333
explicit: false
by artist: Anton Bruckner
by artist: Rundfunkchor Berlin
by artist: Magdaléna Hajóssyová
by artist: Rosemarie Lang
by artist: Andreas Schmidt
by artist: Hermann Christian Polster
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Heinz Rögner
in album: Bruckner: Messe F-Moll
  type: MusicAlbum
  date published: 1990-01-01
genre: classical
genre: orchestra
isrc code: DES380010723
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:31:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7df82619e7dc9c78a84585a87785019f5c69baca262f4096a801dfe8dc0f630
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010723
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7df82619e7dc9c78a84585a87785019f5c69baca262f4096a801dfe8dc0f630. 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/DES380010723.
  date published: 2026-07-08T03:22:41Z
audio: Mass No. 3 in F Minor, WAB 28: Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.644
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.08
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.641
  additional property: Liveness
    type: PropertyValue
    value: 0.087
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.57
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Mass No. 3 in F Minor, WAB 28: Dona nobis pacem
type: MusicRecording
duration: PT3M51S
duration ms: 231626
explicit: false
by artist: Anton Bruckner
by artist: Rundfunkchor Berlin
by artist: Magdaléna Hajóssyová
by artist: Rosemarie Lang
by artist: Andreas Schmidt
by artist: Hermann Christian Polster
by artist: Rundfunk-Sinfonieorchester Berlin
by artist: Heinz Rögner
in album: Bruckner: Messe F-Moll
  type: MusicAlbum
  date published: 1990-01-01
genre: classical
genre: orchestra
isrc code: DES380010726
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:38:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe47e97539a006e6f92f4ec083f1801f119757f6ae87a7fcfb582429f790524d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DES380010726
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe47e97539a006e6f92f4ec083f1801f119757f6ae87a7fcfb582429f790524d2. 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/DES380010726.
  date published: 2026-07-08T03:20:19Z
audio: Mass No. 3 in F Minor, WAB 28: Dona nobis pacem
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Brahms: Ein Deutsches Requiem, Op. 45
type: MusicAlbum
date published: 1995-01-01

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type: MusicAlbum
date published: 1992-01-01
track: Mass No. 2 in G Major, D. 167: I. Kyrie
  type: MusicRecording
  duration: PT3M39S
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  explicit: false
  by artist: Franz Schubert
  by artist: Barbara Bonney
  by artist: Katrine Bryndorf
  by artist: Chamber Orchestra of Europe
  by artist: Claudio Abbado
  by artist: Wiener Staatsopernchor
  in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
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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/DEF059004481
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2236dca2d4c482f620cf7abc1ce20ed1ca47f559c8ddd36ef45a96505a5c8354. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004481.
    date published: 2026-07-02T05:09:12Z
  audio: Mass No. 2 in G Major, D. 167: I. Kyrie
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    additional property: Tempo (BPM)
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
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    additional property: Energy
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    additional property: Acousticness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Mass No. 2 in G Major, D. 167: II. Gloria
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  duration: PT2M54S
  duration ms: 174000
  explicit: false
  by artist: Franz Schubert
  by artist: Barbara Bonney
  by artist: Andreas Schmidt
  by artist: Katrine Bryndorf
  by artist: Chamber Orchestra of Europe
  by artist: Claudio Abbado
  by artist: Wiener Staatsopernchor
  in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
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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/DEF059004482
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T05:09:12Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5389e5e46e7ca95e57e8e0787776ad7a68b874187381acc56f5445863960134e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004482.
    date published: 2026-07-02T05:09:12Z
  audio: Mass No. 2 in G Major, D. 167: II. Gloria
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    additional property: Speechiness
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    additional property: Valence (Positivity)
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track: Mass No. 2 in G Major, D. 167: III. Credo
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  explicit: false
  by artist: Franz Schubert
  by artist: Katrine Bryndorf
  by artist: Chamber Orchestra of Europe
  by artist: Claudio Abbado
  by artist: Wiener Staatsopernchor
  in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
    type: MusicAlbum
    date published: 1992-01-01
  genre: classical
  genre: classical-piano
  genre: chamber-music
  isrc code: DEF059004483
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mass No. 2 in G Major, D. 167: III. Credo
track: Mass No. 2 in G Major, D. 167: IV. Sanctus
track: Mass No. 2 in G Major, D. 167: V. Benedictus
track: Mass No. 2 in G Major, D. 167: VI. Agnus Dei
track: Requiem für Mignon, Op. 98b: I. Langsam feierlich

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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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OTSHash
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OTSBitcoinBlock
type: PropertyValue
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OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956304

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004483

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:55:08Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96253e6cbe9e1421ae60b6421dd1ec8ae5009af491740d2aa5db61793ca5669d. 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/DEF059004483.
date published: 2026-07-02T03:55:08Z

Mass No. 2 in G Major, D. 167: III. Credo
type: AudioObject
additional property: Tempo (BPM)
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additional property: Musical Key
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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
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Mass No. 2 in G Major, D. 167: IV. Sanctus
type: MusicRecording
duration: PT1M20S
duration ms: 80000
explicit: false
by artist: Franz Schubert
by artist: Katrine Bryndorf
by artist: Chamber Orchestra of Europe
by artist: Claudio Abbado
by artist: Wiener Staatsopernchor
in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF059004484
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: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004484
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf99d299a06ca1b1335c356a5a3a53e4069a14d9ef0285999d28e90bee578bcde. 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/DEF059004484.
  date published: 2026-07-02T03:55:08Z
audio: Mass No. 2 in G Major, D. 167: IV. Sanctus
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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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
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Mass No. 2 in G Major, D. 167: V. Benedictus
type: MusicRecording
duration: PT4M35S
duration ms: 275000
explicit: false
by artist: Franz Schubert
by artist: Barbara Bonney
by artist: Jorge Pita
by artist: Andreas Schmidt
by artist: Katrine Bryndorf
by artist: Chamber Orchestra of Europe
by artist: Claudio Abbado
by artist: Wiener Staatsopernchor
in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF059004485
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: 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/DEF059004485
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc6de92bfc965a8dbb02126f7883a39858b28969d4b95ed2b272517969c534801. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004485.
  date published: 2026-07-02T05:09:12Z
audio: Mass No. 2 in G Major, D. 167: V. Benedictus
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Speechiness
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  additional property: Acousticness
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Mass No. 2 in G Major, D. 167: VI. Agnus Dei
type: MusicRecording
duration: PT5M1S
duration ms: 301000
explicit: false
by artist: Franz Schubert
by artist: Barbara Bonney
by artist: Andreas Schmidt
by artist: Katrine Bryndorf
by artist: Chamber Orchestra of Europe
by artist: Claudio Abbado
by artist: Wiener Staatsopernchor
in album: Schubert: Mass In G Major, D. 167; Tantum Ergo In E Flat Major, D. 962; The 23. Psalm In A Flat Major, D. 706, Op. Posth. 132 / Schumann: Requiem For Mignon, Op. 98b
  type: MusicAlbum
  date published: 1992-01-01
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEF059004486
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
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059004486
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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    date published: 2026-07-08T03:20:19Z
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Brahms: 4 Ernste Gesänge, Op. 121 / Wolf: Michelangelo Lieder / Mahler: Rückert Lieder
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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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Mozart: Mass in C minor
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Zemlinsky: Lieder
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: 6 Songs Op. 13: 4. Als ihr Geliebter schied
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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Wagner: Das Rheingold
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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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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T11:38:34Z
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  subject of: OpenTimestamps Proof of Existence
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track: Requiem, Op. 48: 4. Pie Jesu
track: Requiem, Op. 48: 5. Agnus Dei (Chorus)
track: Requiem, Op. 48: 6. Libera me (Bariton, Chorus)
track: Requiem, Op. 48: 7. In Paradisum (Chorus)
track: Pavane pour une infante défunte, M.19: Lent

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OpenTimestamps Proof of Existence
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date published: 2026-06-13T17:25:41Z

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by artist: Gabriel Fauré
by artist: Kathleen Battle
by artist: Timothy Farrell
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
in album: Fauré: Requiem / Ravel: Pavane pour une infante défunte
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Requiem, Op. 48: 4. Pie Jesu
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Requiem, Op. 48: 5. Agnus Dei (Chorus)
type: MusicRecording
duration: PT7M8S
duration ms: 428000
explicit: false
by artist: Gabriel Fauré
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
by artist: Timothy Farrell
by artist: Philharmonia Chorus London
by artist: Horst Neumann
in album: Fauré: Requiem / Ravel: Pavane pour une infante défunte
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fe8b5819401546dcb2d2fddf894f55bfb940b4cd71ca07a682e834428ba1adb. 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/DEF058600846.
  date published: 2026-07-02T03:55:08Z
audio: Requiem, Op. 48: 5. Agnus Dei (Chorus)
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Requiem, Op. 48: 6. Libera me (Bariton, Chorus)
type: MusicRecording
duration: PT5M51S
duration ms: 351000
explicit: false
by artist: Gabriel Fauré
by artist: Andreas Schmidt
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
by artist: Timothy Farrell
by artist: Philharmonia Chorus London
by artist: Horst Neumann
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additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Requiem, Op. 48: 6. Libera me (Bariton, Chorus)
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Requiem, Op. 48: 7. In Paradisum (Chorus)
type: MusicRecording
duration: PT3M59S
duration ms: 239000
explicit: false
by artist: Gabriel Fauré
by artist: Timothy Farrell
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
by artist: Philharmonia Chorus London
in album: Fauré: Requiem / Ravel: Pavane pour une infante défunte
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isrc code: DEF058600841
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Requiem, Op. 48: 7. In Paradisum (Chorus)
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Pavane pour une infante défunte, M.19: Lent
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duration: PT7M9S
duration ms: 429000
explicit: false
by artist: Maurice Ravel
by artist: Philharmonia Orchestra
by artist: Carlo Maria Giulini
in album: Fauré: Requiem / Ravel: Pavane pour une infante défunte
  type: MusicAlbum
  date published: 1986-01-01
genre: classical
genre: impressionism
genre: neoclassicism
genre: post-romantic-era
isrc code: DEF058600850
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x631361dd144d1e296a47455dd4f2a9264de0319485bc193a0e2e8b54c56555f5. 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/DEF058600850.
  date published: 2026-07-02T03:55:08Z
audio: Pavane pour une infante défunte, M.19: Lent
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  additional property: Energy
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  additional property: Valence (Positivity)
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Schumann: Liederkreis, Op. 39: No. 5, Mondnacht
type: MusicAlbum
date published: 1994-01-01

Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
type: MusicRecording
duration: PT2M40S
duration ms: 160293
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sir Roger Norrington
by artist: Andreas Schmidt
by artist: Nancy Argenta
by artist: London Classical Players
in album: The Very Best of Mozart
  type: MusicAlbum
  date published: 2006-01-09
popularity: 37
genre: classical
genre: classical-era
isrc code: GBAYC9200866
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23f4b0a69ef610bbce376421a5b878dc5f06975dfd3ca5918fd2dcb67e915978. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/GBAYC9200866.
  date published: 2026-06-13T17:25:41Z
audio: Mozart: Don Giovanni, K. 527, Act 1: Duettino. "Là ci darem la mano" (Don Giovanni, Zerlina)
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Mass in C, K.317 "Coronation": 1. Kyrie
type: MusicRecording
duration: PT2M49S
duration ms: 169000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 16
genre: classical
genre: classical-era
isrc code: DEF059103252
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Mass in C, K.317 "Coronation": 1. Kyrie
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  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.059
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.061
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.329
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Mass in C Major, K. 317 "Coronation": 2. Gloria
type: MusicRecording
duration: PT4M9S
duration ms: 249000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 16
genre: classical
genre: classical-era
isrc code: DEF059103251
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T17:51:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x677077cfaed2fc3dbf7a4683e70afdc6c0125eda17f1c1bc74be09ee1314ef3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103251
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x677077cfaed2fc3dbf7a4683e70afdc6c0125eda17f1c1bc74be09ee1314ef3c. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103251.
  date published: 2026-07-02T03:30:09Z
audio: Mass in C Major, K. 317 "Coronation": 2. Gloria
  type: AudioObject
  additional property: Tempo (BPM)
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  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
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  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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    value: 0.176
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mass in C, K.317 "Coronation": 3. Credo
type: MusicRecording
duration: PT6M28S
duration ms: 388000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 16
genre: classical
genre: classical-era
isrc code: DEF059103253
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T13:23:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2fdefe8dfac2f41483dc9eee5499fb2ee4b972a5f7dd460dec0af784bf28aba1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103253
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fdefe8dfac2f41483dc9eee5499fb2ee4b972a5f7dd460dec0af784bf28aba1. 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/DEF059103253.
  date published: 2026-07-02T03:55:08Z
audio: Mass in C, K.317 "Coronation": 3. Credo
  type: AudioObject
  additional property: Tempo (BPM)
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  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
    value: 0.276
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
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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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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
type: MusicRecording
duration: PT6M30S
duration ms: 390000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 15
genre: classical
genre: classical-era
isrc code: DEF059103256
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:07:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7e047ee4e71c8261682c384d952aea65654c7e7b34ed792af603bf29120ddee8
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103256
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e047ee4e71c8261682c384d952aea65654c7e7b34ed792af603bf29120ddee8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103256.
  date published: 2026-07-02T03:30:09Z
audio: Mass In C, K.317 "Coronation": 6. Agnus Dei - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  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
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.148
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.074
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.37
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Mass in C, K.317 "Coronation": 4. Sanctus
type: MusicRecording
duration: PT1M54S
duration ms: 114000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 14
genre: classical
genre: classical-era
isrc code: DEF059103254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:08:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd9ad7229e76c47bfcc2826a5137e4c6c62f25bb3a4d09bf534f1b13ed531fc7e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9ad7229e76c47bfcc2826a5137e4c6c62f25bb3a4d09bf534f1b13ed531fc7e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103254.
  date published: 2026-07-02T03:30:09Z
audio: Mass in C, K.317 "Coronation": 4. Sanctus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.485
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.278
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.919
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.261
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.573
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
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Mass in C, K.317 "Coronation": 5. Benedictus
type: MusicRecording
duration: PT3M48S
duration ms: 228000
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 13
genre: classical
genre: classical-era
isrc code: DEF059103255
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:04:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4fbf3fd260b2f60778ecdfa1cf4f0fb31081e9babfd707d4b99ff7647ce44231
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103255
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fbf3fd260b2f60778ecdfa1cf4f0fb31081e9babfd707d4b99ff7647ce44231. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103255.
  date published: 2026-07-02T03:30:09Z
audio: Mass in C, K.317 "Coronation": 5. Benedictus
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.225
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.151
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.168
  additional property: Liveness
    type: PropertyValue
    value: 0.046
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.078
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.406
  additional property: Key Name
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  additional property: Mode Name
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Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Kyrie
type: MusicRecording
duration: PT5M12S
duration ms: 312000
explicit: false
by artist: Joseph Haydn
by artist: Sylvia McNair
by artist: Delores Ziegler
by artist: Hans Peter Blochwitz
by artist: Andreas Schmidt
by artist: Sigurd Brauns
by artist: RIAS Kammerchor
by artist: Marcus Creed
by artist: Berliner Philharmoniker
by artist: James Levine
in album: Mozart: Mass in C K317 "Coronation Mass" / Haydn: Missa in tempore belli
  type: MusicAlbum
  date published: 1992-01-01
popularity: 10
isrc code: DEF059103261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T23:29:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa9ee3a69093a55045693681993009f179b43b5b4519b2151b78b0892050d8257
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059103261
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9ee3a69093a55045693681993009f179b43b5b4519b2151b78b0892050d8257. 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/DEF059103261.
  date published: 2026-07-02T03:55:08Z
audio: Missa in tempore belli "Paukenmesse", Hob. XXII:9 in C: Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.231
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.279
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.061
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.128
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Tannhäuser - Paris version / Act III: "Heil ! Heil! Der Gnade Wunder Heil!"
type: MusicRecording
duration: PT2M46S
duration ms: 166173
explicit: false
by artist: Richard Wagner
by artist: William Pell
by artist: Clemens Bieber
by artist: Andreas Schmidt
by artist: Kurt Rydl
by artist: Oskar Hillebrandt
by artist: Matti Salminen
by artist: Chorus of the Royal Opera House, Covent Garden
by artist: Philharmonia Orchestra
by artist: Giuseppe Sinopoli
in album: Wagner: Tannhäuser
  type: MusicAlbum
  date published: 1989-01-01
popularity: 9
genre: classical
genre: opera
isrc code: DEF058831015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T04:36:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac54b5633eeabeff07f98d28997adb6d35fd790afb16efdccada308c69e4bb81
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058831015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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Die Zauberflöte, ZWEITER AUFZUG, Nr.10 Aria & Dialog: Aria con coro: O Isis und Osiris ... (Sarastro/Priester)
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by artist: Schütz Choir of London
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by artist: London Classical Players
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  date published: 2026-07-08T03:20:19Z
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