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type: MusicGroup
genre: gregorian chant
genre: opera
popularity: 19
followers: 260
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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album: Vivaldi: Dixit Dominus
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  track: Dixit Dominus, R. 807: Virgam virtuis tuae
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    by artist: Roberta Invernizzi
    by artist: Dresdner Instrumental-Concert
    by artist: Peter Kopp
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      date published: 2006-01-01
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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: 2026-07-08T08:56:20Z
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  track: Dixit Dominus, R. 807: Dominus a dextris tuis
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T08:56:20Z
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  track: Dixit Dominus, R. 807: De torrente in via bibet
album: Bononcini: La Maddalena a' piedi di cristo
album: Händel: Germanico
album: Vivaldi: L'olimpiade
album: Stradella: Duets
album: Rossi: La bella più bella
album: Stradella: Santa Editta
album: Monteverdi: Tutti I Madrigali
album: Legrenzi: La morte del cor penitente
album: Zamponi: Ulisse all'isola di Circe
album: The Dutch Harpsichord School: A Tribute to Gustav Leonhardt
album: Mozart: Requiem - Ave Verum Corpus
album: Vivaldi: Tito Manlio, RV 738
album: Avondano: La morte d'Abel
album: Monteverdi: Musica sacra
album: A. Scarlatti: Cantata per la notte di Natale - Corelli: Concerto grosso per la notte di Natale
album: Domenico Scarlatti: Stabat mater a dieci voci
album: Cieco Amor - Opera Arias Written for Giuseppe Maria Boschi
album: Vivaldi: La Senna festeggiante
album: Händel: Judas Maccabaeus (GA)
album: Vivaldi / Alessandrini
album: Monteverdi: Orfeo
album: Messe mantovane, Vol. 2
album: Messe Mantovane, Vol. 1
album: Caldara: Missa dolorosa
album: Porpora: L'Angelica (Live)
album: Vivaldi: Operas
album: Vivaldi: Le quattro stagioni
album: L'aureo Serto
album: Amanti - Cantatas for Bass
album: Caldara: Brutus
album: Spagnoli Rusca: Cantate, Toccate, Mottetti
album: Vivaldi: Arsilda, regina di Ponto, RV 700
album: Gaffi: La Forza Del Divino Amore
album: Marcello: Arianna
album: Scarlatti: Davidis Pugna et Victoria
album: Il martirio di San Giovanni Nepomuceno: Agitato da più venti
album: Rinaldo, HWV 7a: Sibilar Gli Angui d’Aletto
album: Mozart - Requiem in D Minor, K. 626 (Live Recording)
album: Mozart: La clemenza di Tito

L'olimpiade, RV 725: Sciagurato, in bracco a morte. Alcandro, aria
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duration: PT2M40S
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by artist: Sergio Foresti
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
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  date published: 2007-01-01
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: L'olimpiade, RV 725: Sciagurato, in bracco a morte. Alcandro, aria
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

L'olimpiade, RV 725: Via il figlio delinquente. Coro
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duration: PT0M44S
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explicit: false
by artist: Antonio Vivaldi
by artist: Sara Mingardo
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by artist: Marianna Kulikova
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by artist: Riccardo Novaro
by artist: Sergio Foresti
by artist: Concerto Italiano
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  date published: 2026-07-30T14:36:16Z
audio: L'olimpiade, RV 725: Via il figlio delinquente. Coro
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Ego dormio et cor meum vigilat, SV 300
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by artist: Concerto Italiano
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  date published: 2026-07-08T03:22:41Z
audio: Ego dormio et cor meum vigilat, SV 300
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Stabat Mater a dieci voci e basso continuo: I. Stabat Mater dolorosa
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by artist: Elisabetta Tiso
by artist: Rosa Dominguez
by artist: Allessandra Carmignani
by artist: Fabian Schofrin
by artist: Paolo Fanciullacci
by artist: Gianluca Ferrarini
by artist: Roberto Abbondanza
by artist: Sergio Foresti
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  date published: 2002-01-01
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
isrc code: FRX201659200
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/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201659200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b2b1df3dcd657d2f587b8dc0ad44ac79672a046e1ee7d22b34269756b1ad40a. 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/FRX201659200.
  date published: 2026-07-08T03:22:41Z
audio: Stabat Mater a dieci voci e basso continuo: I. Stabat Mater dolorosa
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Judas Maccabaeus, HWV 63: Part I: Arm, arm, ye brave (Air)
type: MusicRecording
duration: PT3M1S
duration ms: 181120
explicit: false
by artist: George Frideric Handel
by artist: Sergio Foresti
by artist: Elbipolis Barockorchester Hamburg
by artist: Rolf Beck
in album: Händel: Judas Maccabaeus (GA)
  type: MusicAlbum
  date published: 2010-08-02
genre: classical
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e658b4e0482afeb531bc7d6d084149a282feb4f363a0e960f23a32220477f10. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), 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/DEE471000375.
  date published: 2026-07-31T05:17:02Z
audio: Judas Maccabaeus, HWV 63: Part I: Arm, arm, ye brave (Air)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 127.627
  additional property: Musical Key
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    value: 11
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.531
  additional property: Energy
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    value: 0.051
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.687
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.494
  additional property: Key Name
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    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: DEE471000375
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE471000375
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960348
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960348
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 4: Lasciate I Monti
type: MusicRecording
duration: PT2M47S
duration ms: 167893
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Marco Scavazza
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
isrc code: FRX290700040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:38:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbc806a6462f70bdf999276d93505a4ef00ce2f4b2f8ebc480dd16513472fa5f1
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/FRX290700040
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
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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0xbc806a6462f70bdf999276d93505a4ef00ce2f4b2f8ebc480dd16513472fa5f1. 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/FRX290700040.
  date published: 2026-07-08T03:22:41Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 4: Lasciate I Monti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.038
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.343
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.371
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.243
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.588
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 2: In Questo Prato Adorno
type: MusicRecording
duration: PT4M0S
duration ms: 240493
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Marco Scavazza
by artist: Raffaele Giordani
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
isrc code: FRX290700090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:33:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x65f2763bbf0d3dc3f584b6f93217acee252be5b1cf312027c0551f82c12b1c64
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/FRX290700090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65f2763bbf0d3dc3f584b6f93217acee252be5b1cf312027c0551f82c12b1c64. 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/FRX290700090.
  date published: 2026-07-08T03:20:19Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 2: In Questo Prato Adorno
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.231
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.436
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.771
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 4: In Un Fiorito Prato
type: MusicRecording
duration: PT3M41S
duration ms: 221786
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Marco Scavazza
by artist: Raffaele Giordani
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
isrc code: FRX290700110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:07:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xde8ea947359fe36f99cccce30e072e33a04e6f727ee8e3609e0bc531bdda7ad5
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/FRX290700110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 957118
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde8ea947359fe36f99cccce30e072e33a04e6f727ee8e3609e0bc531bdda7ad5. 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/FRX290700110.
  date published: 2026-07-08T08:56:20Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 4: In Un Fiorito Prato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.368
  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: 0.318
  additional property: Energy
    type: PropertyValue
    value: 0.027
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.774
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 3: In Questo Lieto E Fortunato Giorno
type: MusicRecording
duration: PT3M35S
duration ms: 215426
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Simboli Anna
by artist: Marco Scavazza
by artist: Monica Piccinini
by artist: Raffaele Giordani
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ee743b03d1eae813fe4ffefe9747eda2de61e506ab74bcf692602f8afc7600a. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/FRX290700030.
  date published: 2026-07-31T18:48:12Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 3: In Questo Lieto E Fortunato Giorno
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.303
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.23
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.134
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.824
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRX290700030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960448
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX290700030
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960448
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960448
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 3: Ahi, Caso Acerbo !
type: MusicRecording
duration: PT3M12S
duration ms: 192053
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Marco Scavazza
by artist: Raffaele Giordani
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25776ab54f8e95a3b2d9064f52d57731f613106a885643c7420c4816ee5e5998. Chain 2 (Bitcoin): anchored in block 960463 (2026-07-31T20:42:35Z), 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/FRX290700100.
  date published: 2026-07-31T20:42:35Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 3: Ahi, Caso Acerbo !
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isrc code: FRX290700100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 5: Tu Se Morta, Mia Vita, Ed Io Respiro
type: MusicRecording
duration: PT2M26S
duration ms: 146186
explicit: false
by artist: Claudio Monteverdi
by artist: Rinaldo Alessandrini
by artist: Concerto Italiano
by artist: Sergio Foresti
by artist: Ferrarini Gianluca
by artist: Marco Scavazza
by artist: Raffaele Giordani
by artist: Luca Dordolo
by artist: Antonio Abete
in album: Monteverdi: Orfeo
  type: MusicAlbum
  date published: 2007-08-21
genre: classical
genre: early-music
genre: baroque
genre: italian-baroque
genre: italian-renaissance
genre: madrigal
genre: renaissance
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34be3fd1b1b64a187d5a1c4921555bc6d80de86dc09b3ab5fc59d89ff7029538. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX290700120.
  date published: 2026-07-31T17:29:52Z
audio: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 5: Tu Se Morta, Mia Vita, Ed Io Respiro
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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: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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isrc code: FRX290700120
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

De Beata Marie [Virginis] I: Kyrie
type: MusicRecording
duration: PT1M14S
duration ms: 74893
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Michel Van Goethem
by artist: Renzo Bez
by artist: Vincenzo di Donato
by artist: Furio Zanasi
by artist: Alessandro Carmignani
by artist: Sergio Foresti
by artist: Liuwe Tamminga
by artist: Sergio Vartolo
in album: Messe mantovane, Vol. 2
  type: MusicAlbum
  date published: 2014-09-01
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: ITDQ79555561
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:06:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ79555561
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd117e4e806e471e874dee1285e49103ce398fce4313a80a19ed4533c63e31d64. 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/ITDQ79555561.
  date published: 2026-07-08T08:56:20Z
audio: De Beata Marie [Virginis] I: Kyrie
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
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    value: 0.813
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.788
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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De Beata Marie [Virginis] I: Qui tollis
type: MusicRecording
duration: PT4M28S
duration ms: 268773
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Michel Van Goethem
by artist: Renzo Bez
by artist: Vincenzo di Donato
by artist: Furio Zanasi
by artist: Alessandro Carmignani
by artist: Sergio Foresti
by artist: Liuwe Tamminga
by artist: Sergio Vartolo
in album: Messe mantovane, Vol. 2
  type: MusicAlbum
  date published: 2014-09-01
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: ITDQ79555565
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:31:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dc0cadcca61269929b5a0fbdac771e9f49c6f0564ee039493d1625150c0fb4b
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/ITDQ79555565
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dc0cadcca61269929b5a0fbdac771e9f49c6f0564ee039493d1625150c0fb4b. 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/ITDQ79555565.
  date published: 2026-07-08T03:20:19Z
audio: De Beata Marie [Virginis] I: Qui tollis
  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: 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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    value: -23.276
  additional property: Key Name
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  additional property: Mode Name
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De Beata Marie [Virginis] I: Credo
type: MusicRecording
duration: PT4M17S
duration ms: 257560
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Michel Van Goethem
by artist: Renzo Bez
by artist: Vincenzo di Donato
by artist: Furio Zanasi
by artist: Alessandro Carmignani
by artist: Sergio Foresti
by artist: Liuwe Tamminga
by artist: Sergio Vartolo
in album: Messe mantovane, Vol. 2
  type: MusicAlbum
  date published: 2014-09-01
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
isrc code: ITDQ79555566
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:32:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73217cccfa0bdf96406db28200b05ce2b169598f61c7a5a78b4cf60932fc8427
additional property: OTSHash
additional property: OTSBitcoinBlock
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  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/ITDQ79555566
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73217cccfa0bdf96406db28200b05ce2b169598f61c7a5a78b4cf60932fc8427. 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/ITDQ79555566.
  date published: 2026-07-08T03:53:27Z
audio: De Beata Marie [Virginis] I: 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
    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
    type: PropertyValue
    value: 0.991
  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
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De Beata Marie [Virginis] I: Christe
type: MusicRecording
duration: PT1M19S
duration ms: 79666
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Michel Van Goethem
by artist: Renzo Bez
by artist: Vincenzo di Donato
by artist: Furio Zanasi
by artist: Alessandro Carmignani
by artist: Sergio Foresti
by artist: Liuwe Tamminga
by artist: Sergio Vartolo
in album: Messe mantovane, Vol. 2
  type: MusicAlbum
  date published: 2014-09-01
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fe061348637cf2db108c226cf97026104dfe96e73b0c815a47920b3facac5e8. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/ITDQ79555562.
  date published: 2026-07-30T15:42:38Z
audio: De Beata Marie [Virginis] I: Christe
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.802
  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
    value: 0.153
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.206
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.24
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.807
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: ITDQ79555562
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
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additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
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additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITDQ79555562
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

De Beata Marie [Virginis] I: Kyrie
type: MusicRecording
duration: PT1M17S
duration ms: 77266
explicit: false
by artist: Giovanni Pierluigi da Palestrina
by artist: Michel Van Goethem
by artist: Renzo Bez
by artist: Vincenzo di Donato
by artist: Furio Zanasi
by artist: Alessandro Carmignani
by artist: Sergio Foresti
by artist: Liuwe Tamminga
by artist: Sergio Vartolo
in album: Messe mantovane, Vol. 2
  type: MusicAlbum
  date published: 2014-09-01
genre: classical
genre: choral
genre: gregorian-chant
genre: medieval
subject of: OpenTimestamps Proof of Existence
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audio: De Beata Marie [Virginis] I: Kyrie
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De Beata Marie [Virginis] I: Gloria
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In festis Apostolorum I: Ia. Kyrie
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  date published: 2026-07-08T03:53:27Z
audio: In festis Apostolorum I: Ia. Kyrie
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In festis Apostolorum II: IIIb. Et incarnatus
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audio: In festis Apostolorum II: IIIb. Et incarnatus
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L' Olimpiade, opera in 3 acts, RV 725 - Act III, Scene 2: Aria "Sciagurato, in braccio a morte" (Alcandro)
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  date published: 2026-07-08T03:53:27Z
audio: L' Olimpiade, opera in 3 acts, RV 725 - Act III, Scene 2: Aria "Sciagurato, in braccio a morte" (Alcandro)
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La Clemenza di Tito: Atto primo, scena X. No.10 Terzetto Vitellia, Publio, Annio "Vengo... aspettate... Sesto!...
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  date published: 2026-07-06T07:53:57Z
audio: La Clemenza di Tito: Atto primo, scena X. No.10 Terzetto Vitellia, Publio, Annio "Vengo... aspettate... Sesto!...
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La Clemenza di Tito: Atto secondo, scena XVII. No.26 Sestetto con coro "Tu, è ver, m'assolvi, Augusto"
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    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: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.206
  additional property: Speechiness
    type: PropertyValue
    value: 0.074
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.878
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528230
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 959152
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-22T16:23:52+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528230
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959152
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959152
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:23:52+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena II. Recitativo Sesto, Vitellia "Partir deggio, o restar?" - Scena III. Recitativo Publio, Sesto, Vitellia "Sesto!"
type: MusicRecording
duration: PT1M22S
duration ms: 82186
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: Sergio Foresti
by artist: Bernarda Fink
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fd2e303d3f5f60663b0da1c82542b2bbc204125c81c45a82fdb12b26d2e782d. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/FRZ140528030.
  date published: 2026-07-30T14:36:16Z
audio: La Clemenza di Tito: Atto secondo, scena II. Recitativo Sesto, Vitellia "Partir deggio, o restar?" - Scena III. Recitativo Publio, Sesto, Vitellia "Sesto!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.086
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.605
  additional property: Energy
    type: PropertyValue
    value: 0.218
  additional property: Speechiness
    type: PropertyValue
    value: 0.317
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.14
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.563
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.852
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140528030
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960264
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528030
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960264
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960264
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T14:36:16+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena IV. No.14 Terzetto Sesto, Vitellia, Publio "Se al volto mai ti senti"
type: MusicRecording
duration: PT4M40S
duration ms: 280080
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: René Jacobs
by artist: Bernarda Fink
by artist: Sergio Foresti
by artist: Freiburger Barockorchester
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9813ed92dcd692adc87aa7889ca8546401d77abfba4f72f3bebe71da3a0c6bf4. Chain 2 (Bitcoin): anchored in block 960160 (2026-07-29T22:48:59Z), 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/FRZ140528040.
  date published: 2026-07-29T22:48:59Z
audio: La Clemenza di Tito: Atto secondo, scena IV. No.14 Terzetto Sesto, Vitellia, Publio "Se al volto mai ti senti"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.378
  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: 0.314
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.071
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.275
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.127
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.319
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528040
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960160
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528040
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960160
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T22:48:59+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena V. Recitativo Publio, Tito "Già de' pubblici giuochi"
type: MusicRecording
duration: PT1M54S
duration ms: 114200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: Mark Padmore
by artist: Sergio Foresti
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7fd14183995be911b6b8fe38c16eeb2a52708fa76be00cc742e8d1e566fad4. Chain 2 (Bitcoin): anchored in block 960250 (2026-07-30T11:13:28Z), 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/FRZ140528060.
  date published: 2026-07-30T11:13:28Z
audio: La Clemenza di Tito: Atto secondo, scena V. Recitativo Publio, Tito "Già de' pubblici giuochi"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.71
  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: 0.569
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.346
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.133
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.255
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.314
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528060
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960250
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T11:13:28+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528060
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960250
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960250
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T11:13:28+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena V. No.16 Aria Publio "Tardi s'avvede"
type: MusicRecording
duration: PT1M43S
duration ms: 103480
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: Sergio Foresti
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe9770ca98aa8a25afd36837d434cc82d37f175b1160a915ec0407127a93256. Chain 2 (Bitcoin): anchored in block 960277 (2026-07-30T16:10:47Z), 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/FRZ140528070.
  date published: 2026-07-30T16:10:47Z
audio: La Clemenza di Tito: Atto secondo, scena V. No.16 Aria Publio "Tardi s'avvede"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.388
  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: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.641
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.161
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.42
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528070
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960277
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T16:10:47+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528070
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960277
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960277
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T16:10:47+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Te della patria il Padre"
type: MusicRecording
duration: PT2M26S
duration ms: 146773
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: Marie-Claude Chappuis
by artist: Sergio Foresti
by artist: Mark Padmore
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb1b35177c3938af3ccbd726de599363479c16f87398697c3d2bcc16951842a8. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527100.
  date published: 2026-07-29T19:35:34Z
audio: La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Te della patria il Padre"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.91
  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: 0.462
  additional property: Energy
    type: PropertyValue
    value: 0.119
  additional property: Speechiness
    type: PropertyValue
    value: 0.209
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.36
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.535
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140527100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena VIII. Recitativo accompagnato Tito "Che orror! che tradimento!" - Scena IX. Recitativo Publio, Tito "Ma, Publio, ancora Sesto non viene?"
type: MusicRecording
duration: PT3M19S
duration ms: 199133
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Sergio Foresti
by artist: Mark Padmore
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1feaef496886eb669b18f30ccc88b0538d266681371f1fe687e6c9c1127b3bd3. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FRZ140528100.
  date published: 2026-07-30T18:46:00Z
audio: La Clemenza di Tito: Atto secondo, scena VIII. Recitativo accompagnato Tito "Che orror! che tradimento!" - Scena IX. Recitativo Publio, Tito "Ma, Publio, ancora Sesto non viene?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.807
  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: 0.511
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.143
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.764
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.246
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.598
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528100
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960294
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T18:46:00+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528100
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960294
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960294
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T18:46:00+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena X. No.18 Terzetto Sesto, Tito, Publio "Quello di Tito è il volto!"
type: MusicRecording
duration: PT2M53S
duration ms: 173973
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernarda Fink
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Sergio Foresti
by artist: Mark Padmore
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ce09271d17ce23755cf3c53e1a77ed713142d44d929d8cd987741a68dcacd0. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528110.
  date published: 2026-07-30T07:28:30Z
audio: La Clemenza di Tito: Atto secondo, scena X. No.18 Terzetto Sesto, Tito, Publio "Quello di Tito è il volto!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.361
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.17
  additional property: Speechiness
    type: PropertyValue
    value: 0.083
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.194
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.874
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528110
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960220
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528110
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960220
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:28:30+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Adesso, oh Sesto"
type: MusicRecording
duration: PT3M5S
duration ms: 185680
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: Sergio Foresti
by artist: René Jacobs
by artist: Marie-Claude Chappuis
by artist: Mark Padmore
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd494d14d472a142068a3d1853922d95f8232becda4cbc3b9877988615ab583a0. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527120.
  date published: 2026-07-29T19:35:34Z
audio: La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Adesso, oh Sesto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.589
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.346
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.657
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.211
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.256
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140527120
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960138
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527120
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960138
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960138
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena XI. Recitativo Tito "Ove s'intese mai più contumace" - Scena XII. Recitativo Tito, Publio "Publio"
type: MusicRecording
duration: PT2M6S
duration ms: 126200
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Mark Padmore
by artist: Sergio Foresti
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9b9f2b22c83c06d654640f6f6b5b949bd14ceea9520e010b9d09708ff83e237. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/FRZ140528140.
  date published: 2026-07-30T15:42:38Z
audio: La Clemenza di Tito: Atto secondo, scena XI. Recitativo Tito "Ove s'intese mai più contumace" - Scena XII. Recitativo Tito, Publio "Publio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.897
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.583
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.276
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.861
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.668
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140528140
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960273
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528140
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto primo, scena VI. Recitativo Tito, Publio "Che mi rechi in quel foglio?" - Scena VII. Recitativo Servilia, Tito "Di Tito al piè..."
type: MusicRecording
duration: PT3M15S
duration ms: 195360
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Sunhae Im
by artist: Sergio Foresti
by artist: Mark Padmore
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa96a6940873a75cbe8681daacdaab43c0f59bdd539b590d987df5a50bf4a4028. Chain 2 (Bitcoin): anchored in block 960150 (2026-07-29T21:51:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527160.
  date published: 2026-07-29T21:51:49Z
audio: La Clemenza di Tito: Atto primo, scena VI. Recitativo Tito, Publio "Che mi rechi in quel foglio?" - Scena VII. Recitativo Servilia, Tito "Di Tito al piè..."
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.542
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.471
  additional property: Energy
    type: PropertyValue
    value: 0.115
  additional property: Speechiness
    type: PropertyValue
    value: 0.207
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.311
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.424
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140527160
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960150
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527160
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960150
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960150
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T21:51:49+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena XIII. Recitativo Vitellia, Publio "Publio, ascolta!" - Scena XIV. Recitativo Vitellia, Servilia, Annio "Non giova lusingarsi"
type: MusicRecording
duration: PT3M1S
duration ms: 181840
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: Sergio Foresti
by artist: René Jacobs
by artist: Sunhae Im
by artist: Freiburger Barockorchester
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a5762d196880d11dfd634a86ff672fa1f2daf1d7fb3c7442c98982d20b863ae. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FRZ140528160.
  date published: 2026-07-30T17:23:26Z
audio: La Clemenza di Tito: Atto secondo, scena XIII. Recitativo Vitellia, Publio "Publio, ascolta!" - Scena XIV. Recitativo Vitellia, Servilia, Annio "Non giova lusingarsi"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.687
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.101
  additional property: Speechiness
    type: PropertyValue
    value: 0.207
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.321
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.281
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.855
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: FRZ140528160
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960284
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528160
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960284
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960284
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T17:23:26+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto primo, scena X. Recitativo Vitellia, Publio, Annio "Vedrai, Tito, vedrai, che alfin sì vile"
type: MusicRecording
duration: PT0M42S
duration ms: 42986
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: Sergio Foresti
by artist: René Jacobs
by artist: Freiburger Barockorchester
by artist: Marie-Claude Chappuis
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21b57354644107283fbd881cc85c11cbead5e58bee2f918070d983ce84d48eaa. Chain 2 (Bitcoin): anchored in block 960198 (2026-07-30T02:21:55Z), 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/FRZ140527200.
  date published: 2026-07-30T02:21:55Z
audio: La Clemenza di Tito: Atto primo, scena X. Recitativo Vitellia, Publio, Annio "Vedrai, Tito, vedrai, che alfin sì vile"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 50
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0
  additional property: Energy
    type: PropertyValue
    value: 0.127
  additional property: Speechiness
    type: PropertyValue
    value: 0
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.809
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.145
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: FRZ140527200
additional property: CopyrightID
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 960198
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-30T02:21:55+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527200
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960198
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960198
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T02:21:55+00:00
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

La Clemenza di Tito: Atto secondo, scena XVI. Recitativo Tito, Annio, Servilia "Pria che principio a' lieti" - Scena XVII. Recitativo Tito, Vitellia, Sesto, Servilia, Annio, Publio "Sesto, de
type: MusicRecording
duration: PT2M28S
duration ms: 148573
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: René Jacobs
by artist: Bernarda Fink
by artist: Sunhae Im
by artist: Sergio Foresti
by artist: Mark Padmore
by artist: Freiburger Barockorchester
by artist: Marie-Claude Chappuis
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
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  date published: 2026-07-30T20:09:33Z
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La Clemenza di Tito: Atto primo, scena XI. No.12 Quintetto con coro "Deh, conservate, oh Dei" - Scene XII-XIV [finale]
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by artist: Freiburger Barockorchester
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by artist: Sergio Foresti
by artist: Mark Padmore
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genre: classical
genre: classical-era
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T13:09:35Z
audio: La Clemenza di Tito: Atto primo, scena XI. No.12 Quintetto con coro "Deh, conservate, oh Dei" - Scene XII-XIV [finale]
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Dixit Dominus, R. 807: De torrente in via bibet
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Dixit Dominus, R. 807: De torrente in via bibet
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Bononcini: La Maddalena a' piedi di cristo
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Händel: Germanico
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Vivaldi: L'olimpiade
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T07:53:57Z
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track: L'olimpiade, RV 725: Quel destrier, che all'albergo è vicino. Licida, aria
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  subject of: OpenTimestamps Proof of Existence
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track: L'olimpiade, RV 725: Il fidarsi della speme. Aminta, aria
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  subject of: OpenTimestamps Proof of Existence
  audio: L'olimpiade, RV 725: Il fidarsi della speme. Aminta, aria
track: L'olimpiade, RV 725: Del destin non vi lagnate. Clistene, aria
track: L'olimpiade, RV 725: È troppo spietato il barbaro fato. Aristea, aria
track: L'olimpiade, RV 725: Più non si trovano. Argene, aria
track: L'olimpiade, RV 725: Siam navi all'onde algenti. Aminta, aria
track: L'olimpiade, RV 725: Gemo in un punto e fremo. Licida, aria
track: L'olimpiade, RV 725: Non so donde viene quel tenero affetto. Clistene, aria
track: L'olimpiade, RV 725: Sciagurato, in bracco a morte. Alcandro, aria
track: L'olimpiade, RV 725: Via il figlio delinquente. Coro

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-02T11:34:59Z

L'olimpiade, RV 725: Il fidarsi della speme. Aminta, aria
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L'olimpiade, RV 725: Del destin non vi lagnate. Clistene, aria
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cf1773eb4a4e16436e5294db752dd817d1d27e428fdb3ed15ef1b727d78ad09. Chain 2 (Bitcoin): anchored in block 957067 (2026-07-07T16:54:37Z), 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/FRX201657406.
  date published: 2026-07-07T16:54:37Z
audio: L'olimpiade, RV 725: Del destin non vi lagnate. Clistene, aria
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  additional property: Valence (Positivity)
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L'olimpiade, RV 725: È troppo spietato il barbaro fato. Aristea, aria
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duration: PT2M31S
duration ms: 151786
explicit: false
by artist: Antonio Vivaldi
by artist: Sonia Prina
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Vivaldi: L'olimpiade
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x613abc3eb0da7eb14fbbb938fb8be0cf28d275e732c34a9c0c3d64fb97da0da5. 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/FRX201657407.
  date published: 2026-07-08T03:22:41Z
audio: L'olimpiade, RV 725: È troppo spietato il barbaro fato. Aristea, aria
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L'olimpiade, RV 725: Più non si trovano. Argene, aria
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duration: PT4M48S
duration ms: 288866
explicit: false
by artist: Antonio Vivaldi
by artist: Marianna Kulikova
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Vivaldi: L'olimpiade
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  date published: 2007-01-01
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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/FRX201657408
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 0xce4e491c63dbe84f148d08f2ee3c209282e76743f06e2f7d350db8a1f896ed29. 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/FRX201657408.
  date published: 2026-07-08T03:20:19Z
audio: L'olimpiade, RV 725: Più non si trovano. Argene, aria
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  additional property: Danceability
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L'olimpiade, RV 725: Siam navi all'onde algenti. Aminta, aria
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duration: PT6M19S
duration ms: 379386
explicit: false
by artist: Antonio Vivaldi
by artist: Laura Giornado
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Vivaldi: L'olimpiade
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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
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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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1524bd3e0b518cd0fd59126cbf1ca7900b04a9ebc99d6a1cbc7914ec710465b0. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRX201657412.
  date published: 2026-07-02T11:34:59Z
audio: L'olimpiade, RV 725: Siam navi all'onde algenti. Aminta, aria
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  additional property: Mode (Major/Minor)
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L'olimpiade, RV 725: Gemo in un punto e fremo. Licida, aria
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duration: PT3M19S
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by artist: Sara Mingardo
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Vivaldi: L'olimpiade
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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: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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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: 2026-07-02T03:55:08Z
audio: L'olimpiade, RV 725: Gemo in un punto e fremo. Licida, aria
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L'olimpiade, RV 725: Non so donde viene quel tenero affetto. Clistene, aria
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duration: PT1M21S
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explicit: false
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by artist: Riccardo Novaro
by artist: Concerto Italiano
by artist: Rinaldo Alessandrini
in album: Vivaldi: L'olimpiade
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isrc code: FRX201657417
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: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: L'olimpiade, RV 725: Non so donde viene quel tenero affetto. Clistene, aria
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Stradella: Duets
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date published: 2014-09-19

Rossi: La bella più bella
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Stradella: Santa Editta
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Monteverdi: Tutti I Madrigali
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date published: 2023-11-03
track: Madrigals, Book I: Ch'ami la mia vita nel tuo bel nome
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: Madrigals, Book I: Baci soavi e cari
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  subject of: OpenTimestamps Proof of Existence
  audio: Judas Maccabaeus, HWV 63: Part II: Hail, hail, Judea, happy land! (Duet & Chorus)
track: Judas Maccabaeus, HWV 63: Part I: Arm, arm, ye brave (Air)

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa95f588613afaa9019788485ecb700c91721cfd2dec180012f7625681551ac60. 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/DEE471000398.
date published: 2026-07-08T03:20:19Z

Judas Maccabaeus, HWV 63: Part II: Hail, hail, Judea, happy land! (Duet & Chorus)
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
  audio: Concerto in F Major, RV 584: Allegro non molto
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track: Gloria Patri: Andante molto
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Psalm 109:VIII. De torrente in via (Andante)
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  subject of: OpenTimestamps Proof of Existence
  audio: Psalm 109:VIII. De torrente in via (Andante)
track: Psalm 126: IV. Cum dederit (Andante)

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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:53:27Z

Psalm 109:VIII. De torrente in via (Andante)
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by artist: Concerto Italiano
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Psalm 126: IV. Cum dederit (Andante)
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Monteverdi: Orfeo
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  by artist: Concerto Italiano
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  genre: classical
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 4: Lasciate I Monti
track: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte III, scène 6: Orfeo Son Io
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte II, scène 2: In Questo Prato Adorno
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

L'Orfeo, Favola in Musica (Opera en 5 Actes), SV 318 - Acte I, scène 7: Alcun Non Sia Che Disperato In Preda
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Messe mantovane, Vol. 2
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track: De Beata Marie [Virginis] I: Christe
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Messe Mantovane, Vol. 1
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Caldara: Missa dolorosa
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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    date published: 2026-07-08T03:53:27Z
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track: II. Gloria: Et in terra pax
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

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Motetti for 2 Voices: Ego sum panis vivus
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subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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    date published: 2026-07-08T03:53:27Z
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track: L' Olimpiade, opera in 3 acts, RV 725 - Act III, Scene 2: Aria "Sciagurato, in braccio a morte" (Alcandro)
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date published: 2026-07-07T14:41:13Z

La verità in cimento, opera in 3 acts, RV739 - Act I, Scene 12: Aria "Amato ben tu sei la mia speranza" (Rosane)
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Orlando finto pazzo, opera in 3 acts, RV 727 - Act III, Scene 6: Aria "Lo stridor, l'orror" (Ersilla)
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subject of: OpenTimestamps Proof of Existence
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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: 2026-07-08T03:22:41Z
audio: La verità in cimento, opera in 3 acts, RV739 - Act I, Scene 11: Aria "Mi vuoi tradir, lo so" (Melindo)
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Juditha triumphans devicta Holofernes barbarie, oratorio in 2 parts, RV 644 - Part 1: Aria "O quam vaga, venusta, o quam decora"
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by artist: Academia Montis Regalis
by artist: Coro Giovanile
by artist: Marina Comparato
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Juditha triumphans devicta Holofernes barbarie, oratorio in 2 parts, RV 644 - Part 1: Aria "O quam vaga, venusta, o quam decora"
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Vivaldi: Le quattro stagioni
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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: 2026-07-08T03:20:19Z
  audio: The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": I. Allegro
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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: 2026-07-08T08:56:20Z
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track: The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": III. Danza pastorale
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  subject of: OpenTimestamps Proof of Existence
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track: The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315 "Summer": I. Allegro non molto
track: The Four Seasons, Violin Concerto No. 3 in F Major, RV 293 "Autumn": I. Allegro

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc89fab08e8a5d32ceb47cadad9db496e9ee259c8236e61a7d227f2b6161778d. 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/FRX290200860.
date published: 2026-07-08T08:56:20Z

The Four Seasons, Violin Concerto No. 1 in E Major, RV 269 "Spring": III. Danza pastorale
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additional property: Valence (Positivity)
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The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315 "Summer": I. Allegro non molto
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duration: PT7M2S
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by artist: Concerto Italiano
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: The Four Seasons, Violin Concerto No. 2 in G Minor, RV 315 "Summer": I. Allegro non molto
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The Four Seasons, Violin Concerto No. 3 in F Major, RV 293 "Autumn": I. Allegro
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Amanti - Cantatas for Bass
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Caldara: Brutus
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Spagnoli Rusca: Cantate, Toccate, Mottetti
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Gaffi: La Forza Del Divino Amore
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Marcello: Arianna
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track: La Clemenza di Tito: Atto secondo, scena I. Recitativo Annio, Sesto "Sesto, come tu credi"
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track: La Clemenza di Tito: Atto primo, scena III. No.3 Duettino Annio, Sesto "Deh prendi un dolce amplesso"
track: La Clemenza di Tito: Atto primo, scena IV. No.4 Marcia
track: La Clemenza di Tito: Atto primo, scena IV. No. 6 Aria Tito "Del più sublime soglio"
track: La Clemenza di Tito: Atto primo, scena V. No.7 Duetto Annio, Servilia "Ah perdona il primo affetto"
track: La Clemenza di Tito: Atto secondo, scena XII. No.20 Aria Tito "Se all'impero, amici Dei"
track: La Clemenza di Tito: Atto secondo, scena XV. No.22 Recitativo accompagnato Vitellia "Ecco il punto, oh Vitellia"
track: La Clemenza di Tito: Atto secondo, scena XV. No.23 Rondo Vitellia "Non più di fiori"
track: La Clemenza di Tito: Atto secondo, scena XVI. No.24 Coro "Che del ciel, che degli Dei"
track: La Clemenza di Tito: Atto primo, scena X. No.10 Terzetto Vitellia, Publio, Annio "Vengo... aspettate... Sesto!...
track: La Clemenza di Tito: Atto primo, scena XI. No.11 Recitativo accompagnato Sesto "Oh Dei, che smania è questa"
track: La Clemenza di Tito: Atto secondo, scena XVII. No.26 Sestetto con coro "Tu, è ver, m'assolvi, Augusto"
track: La Clemenza di Tito: Atto secondo, scena II. Recitativo Sesto, Vitellia "Partir deggio, o restar?" - Scena III. Recitativo Publio, Sesto, Vitellia "Sesto!"
track: La Clemenza di Tito: Atto secondo, scena IV. No.14 Terzetto Sesto, Vitellia, Publio "Se al volto mai ti senti"
track: La Clemenza di Tito: Atto secondo, scena V. Recitativo Publio, Tito "Già de' pubblici giuochi"
track: La Clemenza di Tito: Atto secondo, scena V. No.16 Aria Publio "Tardi s'avvede"
track: La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Te della patria il Padre"
track: La Clemenza di Tito: Atto secondo, scena VIII. Recitativo accompagnato Tito "Che orror! che tradimento!" - Scena IX. Recitativo Publio, Tito "Ma, Publio, ancora Sesto non viene?"
track: La Clemenza di Tito: Atto secondo, scena X. No.18 Terzetto Sesto, Tito, Publio "Quello di Tito è il volto!"
track: La Clemenza di Tito: Atto primo, scena IV. Recitativo Publio, Annio, Tito "Adesso, oh Sesto"
track: La Clemenza di Tito: Atto secondo, scena XI. Recitativo Tito "Ove s'intese mai più contumace" - Scena XII. Recitativo Tito, Publio "Publio"
track: La Clemenza di Tito: Atto primo, scena VI. Recitativo Tito, Publio "Che mi rechi in quel foglio?" - Scena VII. Recitativo Servilia, Tito "Di Tito al piè..."
track: La Clemenza di Tito: Atto secondo, scena XIII. Recitativo Vitellia, Publio "Publio, ascolta!" - Scena XIV. Recitativo Vitellia, Servilia, Annio "Non giova lusingarsi"
track: La Clemenza di Tito: Atto primo, scena X. Recitativo Vitellia, Publio, Annio "Vedrai, Tito, vedrai, che alfin sì vile"
track: La Clemenza di Tito: Atto secondo, scena XVI. Recitativo Tito, Annio, Servilia "Pria che principio a' lieti" - Scena XVII. Recitativo Tito, Vitellia, Sesto, Servilia, Annio, Publio "Sesto, de
track: La Clemenza di Tito: Atto primo, scena XI. No.12 Quintetto con coro "Deh, conservate, oh Dei" - Scene XII-XIV [finale]

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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957011
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957011
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140527130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T08:25:35Z
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 0x5c7eff8d85b3bfae5cfdefa1f57efd03c016273fb0e33854b7921171192de739. Chain 2 (Bitcoin): anchored in block 957011 (2026-07-07T08:25:35Z), 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/FRZ140527130.
  date published: 2026-07-07T08:25:35Z
audio: La Clemenza di Tito: Atto primo, scena IV. No. 6 Aria Tito "Del più sublime soglio"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.44
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.392
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.303
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Clemenza di Tito: Atto primo, scena V. No.7 Duetto Annio, Servilia "Ah perdona il primo affetto"
type: MusicRecording
duration: PT2M57S
duration ms: 177373
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Sunhae Im
by artist: Marie-Claude Chappuis
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140527150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T20:11:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6501c550f2bf012b9481cd36b6be4711a8036ca44e7c2a80646ca9885d4cc96e
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/FRZ140527150
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 0x6501c550f2bf012b9481cd36b6be4711a8036ca44e7c2a80646ca9885d4cc96e. 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/FRZ140527150.
  date published: 2026-07-02T03:55:08Z
audio: La Clemenza di Tito: Atto primo, scena V. No.7 Duetto Annio, Servilia "Ah perdona il primo affetto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.962
  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: 0.363
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.508
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.232
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.898
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Clemenza di Tito: Atto secondo, scena XII. No.20 Aria Tito "Se all'impero, amici Dei"
type: MusicRecording
duration: PT4M55S
duration ms: 295453
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: René Jacobs
by artist: Mark Padmore
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140528150
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:27:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61ab1db62b4c849214f89dd1586492bb66938db06bfd6b1c3a35b5559bbe2d2f
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/FRZ140528150
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 0x61ab1db62b4c849214f89dd1586492bb66938db06bfd6b1c3a35b5559bbe2d2f. 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/FRZ140528150.
  date published: 2026-07-08T03:53:27Z
audio: La Clemenza di Tito: Atto secondo, scena XII. No.20 Aria Tito "Se all'impero, amici Dei"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.897
  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: 0.337
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.49
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Clemenza di Tito: Atto secondo, scena XV. No.22 Recitativo accompagnato Vitellia "Ecco il punto, oh Vitellia"
type: MusicRecording
duration: PT2M10S
duration ms: 130506
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: René Jacobs
by artist: Freiburger Barockorchester
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140528180
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:19:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6f21438542533197a293080da6b989c44209ab41659a426041245cee94ea3c1
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/FRZ140528180
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 0xe6f21438542533197a293080da6b989c44209ab41659a426041245cee94ea3c1. 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/FRZ140528180.
  date published: 2026-07-08T03:22:41Z
audio: La Clemenza di Tito: Atto secondo, scena XV. No.22 Recitativo accompagnato Vitellia "Ecco il punto, oh Vitellia"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.872
  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: 0.48
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.121
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.129
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.406
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Clemenza di Tito: Atto secondo, scena XV. No.23 Rondo Vitellia "Non più di fiori"
type: MusicRecording
duration: PT7M22S
duration ms: 442413
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Alexandrina Pendatchanska
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140528190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T04:22:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dc596f50838ec7ff57f6110aeb809d0271c932a351f1804f3e9fd7b0e302e58
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ140528190
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 0x9dc596f50838ec7ff57f6110aeb809d0271c932a351f1804f3e9fd7b0e302e58. 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/FRZ140528190.
  date published: 2026-07-02T05:09:12Z
audio: La Clemenza di Tito: Atto secondo, scena XV. No.23 Rondo Vitellia "Non più di fiori"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.67
  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: 0.274
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.986
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.077
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.18
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Clemenza di Tito: Atto secondo, scena XVI. No.24 Coro "Che del ciel, che degli Dei"
type: MusicRecording
duration: PT1M19S
duration ms: 79493
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Freiburger Barockorchester
by artist: RIAS Kammerchor
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140528200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T05:13:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x298cd6ea8e4d11eb62bcdabecb3af4ab67beed00204b27807647fab50c7f6a96
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/FRZ140528200
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 0x298cd6ea8e4d11eb62bcdabecb3af4ab67beed00204b27807647fab50c7f6a96. 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/FRZ140528200.
  date published: 2026-07-02T03:55:08Z
audio: La Clemenza di Tito: Atto secondo, scena XVI. No.24 Coro "Che del ciel, che degli Dei"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.515
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.38
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.587
  additional property: Liveness
    type: PropertyValue
    value: 0.394
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.356
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.901
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Clemenza di Tito: Atto primo, scena XI. No.11 Recitativo accompagnato Sesto "Oh Dei, che smania è questa"
type: MusicRecording
duration: PT3M15S
duration ms: 195733
explicit: false
by artist: Wolfgang Amadeus Mozart
by artist: Bernarda Fink
by artist: Freiburger Barockorchester
by artist: René Jacobs
in album: Mozart: La clemenza di Tito
  type: MusicAlbum
  date published: 2007-08-15
genre: classical
genre: classical-era
isrc code: FRZ140527220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T19:33:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfbf850e75abe45f1aff82e2d59a6a96f41ca6f743b7b1e62cd0d81b3c0e0c344
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/FRZ140527220
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 0xfbf850e75abe45f1aff82e2d59a6a96f41ca6f743b7b1e62cd0d81b3c0e0c344. 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/FRZ140527220.
  date published: 2026-07-08T03:20:19Z
audio: La Clemenza di Tito: Atto primo, scena XI. No.11 Recitativo accompagnato Sesto "Oh Dei, che smania è questa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.82
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.502
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.103
  additional property: Acousticness
    type: PropertyValue
    value: 0.979
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.125
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.851
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor