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genre: opera
description: Romina Basso (born in Gorizia) is an Italian mezzo-soprano with an extensive discography of baroque opera recordings.The Gramophone, vol. 86, 2008, p. 89: "The best known aria is 'Non lo dirò col labb
popularity: 14
followers: 1942
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subject of: OpenTimestamps Proof of Existence
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    by artist: Jan Tomasz Adamus
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      date published: 2016-08-01
    genre: classical
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-31T16:07:24Z
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  track: Adriano in Siria / Act 3: "Contento forse vivere del mio martir potrei"
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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: Adriano in Siria / Act 1: "Lieto così talvolta"
album: Vivaldi: Dorilla in Tempe, RV 709
album: Baroque Divas
album: Mitologia - Handel: Arias & Duets
album: Vivaldi: Catone in Utica
album: Handel: Giulio Cesare, HWV 17
album: Handel: Berenice
album: Handel: Tolomeo
album: Vivaldi: Motezuma, RV 723
album: Vivaldi: Ercole sur Termodonte, RV 710
album: Salterio italiano
album: Voces de sefarad: Four Centuries of Spanish and Sephardic Songs
album: Lamento
album: Zanetto : Opera completa
album: Dorilla in Tempe
album: Classical Christmas
album: Veracini: Adriano in Siria
album: Vivaldi Oracolo in Messenia
album: Vivaldi: Orlando 1714

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Adriano in Siria / Act 1: "Lieto così talvolta"
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by artist: Giovanni Battista Pergolesi
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:48:30Z
audio: Adriano in Siria / Act 1: "Lieto così talvolta"
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Vivaldi: Dorilla in Tempe, RV 709
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date published: 2017-12-01
track: Dorilla in Tempe, RV 709: Sinfonia. Allegro
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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: Dorilla in Tempe, RV 709: Sinfonia. Andante
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Dorilla in Tempe, RV 709: Sinfonia. Andante
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track: Dorilla in Tempe, RV 709, Act I, Scene 1: Sinfonia. Allegro - Dell’ aura al sussurrar
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  subject of: OpenTimestamps Proof of Existence
  audio: Dorilla in Tempe, RV 709, Act I, Scene 1: Sinfonia. Allegro - Dell’ aura al sussurrar
track: Dorilla in Tempe, RV 709, Act II, Scene 7: Bel piacer saria d’un core (Aria) (Nomio)
track: Dorilla in Tempe, RV 709, Act I, Scene 1: Or fra questi, o Dorilla (Recitativo) (Elmiro, Dorilla)
track: Dorilla in Tempe, RV 709, Act I, Scene 1: Mi lusinga il dolce affetto (Aria) (Elmiro)
track: Dorilla in Tempe, RV 709, Act I, Scene 2: La speranza ch’in me sento (Aria) (Dorilla)
track: Dorilla in Tempe, RV 709, Act I, Scene 4: Se al mio ben rivolgo il ciglio (Aria) (Nomio)
track: Dorilla in Tempe, RV 709, Act I, Scene 5: Gemiti e lagrime (Coro di pastori)
track: Dorilla in Tempe, RV 709, Act I, Scene 7: Saprò ben con petto forte (Aria) (Elmiro)
track: Dorilla in Tempe, RV 709, Act III, Scene 3: Fidi amanti al vostro amore (Aria) (Nomio)
track: Dorilla in Tempe, RV 709, Act I, Scene 9: Rete, lacci, e strali adopra (Aria) (Filindo)
track: Dorilla in Tempe, RV 709, Act I, Scene 11: Lieta, o Tempe - Ogni cuor grato si mostri

CopyrightID
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CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-30T12:32:21+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x287fed621346a048843f040633fae30b0cb72ffd1c528a6c2f2f307c895ca8e0

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960258

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960258

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716030

OTSTimestamp
type: PropertyValue
value: 2026-07-30T12:45:34Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x287fed621346a048843f040633fae30b0cb72ffd1c528a6c2f2f307c895ca8e0. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716030 — a six-check JSON result.
date published: 2026-07-30T12:45:34Z

Dorilla in Tempe, RV 709, Act I, Scene 1: Sinfonia. Allegro - Dell’ aura al sussurrar
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 145.014
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.374
additional property: Energy
  type: PropertyValue
  value: 0.363
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.915
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.11
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.375
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.935
additional property: Key Name
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  value: B
additional property: Mode Name
  type: PropertyValue
  value: Major

Dorilla in Tempe, RV 709, Act II, Scene 7: Bel piacer saria d’un core (Aria) (Nomio)
type: MusicRecording
duration: PT7M30S
duration ms: 450600
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Marina de Liso
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716330
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T06:03:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x00fb6daa841c9b76e7f3cfec79e0e696cd6ccd47efc9f504eedb912364155435
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960216
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960216
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716330
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T06:39:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00fb6daa841c9b76e7f3cfec79e0e696cd6ccd47efc9f504eedb912364155435. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716330 — a six-check JSON result.
  date published: 2026-07-30T06:39:12Z
audio: Dorilla in Tempe, RV 709, Act II, Scene 7: Bel piacer saria d’un core (Aria) (Nomio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.689
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.339
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dorilla in Tempe, RV 709, Act I, Scene 1: Or fra questi, o Dorilla (Recitativo) (Elmiro, Dorilla)
type: MusicRecording
duration: PT1M54S
duration ms: 114586
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Serena Malfi
by artist: Romina Basso
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:16:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd94d1b7573ab13c215d015efb4b1e456b51e24e3a2bded83a2ac0c716a6cbd48
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94d1b7573ab13c215d015efb4b1e456b51e24e3a2bded83a2ac0c716a6cbd48. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716040 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 1: Or fra questi, o Dorilla (Recitativo) (Elmiro, Dorilla)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.995
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.176
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorilla in Tempe, RV 709, Act I, Scene 1: Mi lusinga il dolce affetto (Aria) (Elmiro)
type: MusicRecording
duration: PT4M57S
duration ms: 297866
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Serena Malfi
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:18:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc99e6e4230293914c2254cb7bd29338a8701aa10eda116761dc3535b7920bfae
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc99e6e4230293914c2254cb7bd29338a8701aa10eda116761dc3535b7920bfae. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716050 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 1: Mi lusinga il dolce affetto (Aria) (Elmiro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.806
  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: 0.518
  additional property: Energy
    type: PropertyValue
    value: 0.345
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.277
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.561
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.088
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dorilla in Tempe, RV 709, Act I, Scene 2: La speranza ch’in me sento (Aria) (Dorilla)
type: MusicRecording
duration: PT3M57S
duration ms: 237866
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Romina Basso
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:00:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c0fa26c93fa11a39e7a02286a48d7cec3010715b8a5bf3a603755f9f43316b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c0fa26c93fa11a39e7a02286a48d7cec3010715b8a5bf3a603755f9f43316b8. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716070 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 2: La speranza ch’in me sento (Aria) (Dorilla)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.798
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.403
  additional property: Energy
    type: PropertyValue
    value: 0.16
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.416
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorilla in Tempe, RV 709, Act I, Scene 4: Se al mio ben rivolgo il ciglio (Aria) (Nomio)
type: MusicRecording
duration: PT3M31S
duration ms: 211520
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Marina de Liso
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:59:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd319cd0e625e5c3f342d446be8e6a2c953eb2b00aecd4472d4f0727fd76f91bf
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/FRZ131716110
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd319cd0e625e5c3f342d446be8e6a2c953eb2b00aecd4472d4f0727fd76f91bf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716110 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 4: Se al mio ben rivolgo il ciglio (Aria) (Nomio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.706
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.296
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.726
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dorilla in Tempe, RV 709, Act I, Scene 5: Gemiti e lagrime (Coro di pastori)
type: MusicRecording
duration: PT1M8S
duration ms: 68733
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Coro della Radiotelevisione Svizzera
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:34:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x15b40d592c925bf99fb6fc6749baf6fe57c6acd04b586fa88b9d726ca3afdee3
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/FRZ131716130
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15b40d592c925bf99fb6fc6749baf6fe57c6acd04b586fa88b9d726ca3afdee3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716130 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 5: Gemiti e lagrime (Coro di pastori)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.37
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.157
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.303
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.153
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.843
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorilla in Tempe, RV 709, Act I, Scene 7: Saprò ben con petto forte (Aria) (Elmiro)
type: MusicRecording
duration: PT2M33S
duration ms: 153786
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Serena Malfi
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:27:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12e600d2da434484956f24559afd6bceffccd41813cac4871489eeb6f1f2ad95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716160
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12e600d2da434484956f24559afd6bceffccd41813cac4871489eeb6f1f2ad95. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716160 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 7: Saprò ben con petto forte (Aria) (Elmiro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.374
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.576
  additional property: Energy
    type: PropertyValue
    value: 0.376
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.947
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.348
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.761
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.367
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dorilla in Tempe, RV 709, Act III, Scene 3: Fidi amanti al vostro amore (Aria) (Nomio)
type: MusicRecording
duration: PT5M17S
duration ms: 317866
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Marina de Liso
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716470
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:57:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x460b643b42e6178f209eff2d4c02429b132ebffc0be5f0c3e00c5d5de0c2334e
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/FRZ131716470
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x460b643b42e6178f209eff2d4c02429b132ebffc0be5f0c3e00c5d5de0c2334e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716470 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Dorilla in Tempe, RV 709, Act III, Scene 3: Fidi amanti al vostro amore (Aria) (Nomio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.379
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.365
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.606
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.453
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Dorilla in Tempe, RV 709, Act I, Scene 9: Rete, lacci, e strali adopra (Aria) (Filindo)
type: MusicRecording
duration: PT4M31S
duration ms: 271893
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Lucia Cirillo
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716200
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:32:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1e5dac00eeea3c3f9cfbfba1d4032060ad310c5004a882c0a52d74b20427e72
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716200
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1e5dac00eeea3c3f9cfbfba1d4032060ad310c5004a882c0a52d74b20427e72. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716200 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 9: Rete, lacci, e strali adopra (Aria) (Filindo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.168
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.528
  additional property: Energy
    type: PropertyValue
    value: 0.377
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.155
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.572
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.254
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dorilla in Tempe, RV 709, Act I, Scene 11: Lieta, o Tempe - Ogni cuor grato si mostri
type: MusicRecording
duration: PT2M21S
duration ms: 141040
explicit: false
by artist: Antonio Vivaldi
by artist: I Barocchisti
by artist: Diego Fasolis
by artist: Coro della Radiotelevisione Svizzera
in album: Vivaldi: Dorilla in Tempe, RV 709
  type: MusicAlbum
  date published: 2017-12-01
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131716220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:19:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6a2620c0b8daaf9433c5437e530835f313464917e50929d2c3cf207728cdfb68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a2620c0b8daaf9433c5437e530835f313464917e50929d2c3cf207728cdfb68. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131716220 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Dorilla in Tempe, RV 709, Act I, Scene 11: Lieta, o Tempe - Ogni cuor grato si mostri
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.652
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.181
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.737
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.458
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Baroque Divas
type: MusicAlbum
date published: 2015-10-01

Mitologia - Handel: Arias & Duets
type: MusicAlbum
date published: 2016-09-30
track: Apollo e Dafne, HWV 122: Felicissima quest'alma
  type: MusicRecording
  duration: PT5M41S
  duration ms: 341213
  explicit: false
  by artist: George Frideric Handel
  by artist: Christiane Karg
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Mitologia - Handel: Arias & Duets
    type: MusicAlbum
    date published: 2016-09-30
  popularity: 3
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: CH0011600045
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T02:14:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xafc9e91ee2012ceb009e5e16fe203d6118d0224562722eb4e95c5c99221acb36
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960337
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960337
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011600045
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:51:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafc9e91ee2012ceb009e5e16fe203d6118d0224562722eb4e95c5c99221acb36. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH0011600045 — a six-check JSON result.
    date published: 2026-07-31T02:51:48Z
  audio: Apollo e Dafne, HWV 122: Felicissima quest'alma
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 160.143
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.22
    additional property: Energy
      type: PropertyValue
      value: 0.163
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.928
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.765
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.291
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.753
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Vivaldi: Catone in Utica
type: MusicAlbum
date published: 2013-08-26
track: Sinfonia, RV 725: I. Allegro
  type: MusicRecording
  duration: PT2M2S
  duration ms: 122986
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Vivaldi: Catone in Utica
    type: MusicAlbum
    date published: 2013-08-26
  popularity: 2
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131329011
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T20:03:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x180d4e5291c5daa4888a680099c5a180c7a42536296dd02ae7e2a10f0fe9edb1
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960459
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960459
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329011
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T20:22:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x180d4e5291c5daa4888a680099c5a180c7a42536296dd02ae7e2a10f0fe9edb1. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329011 — a six-check JSON result.
    date published: 2026-07-31T20:22:46Z
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    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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      value: F#
    additional property: Mode Name
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      value: Major
track: Catone in Utica, RV 705, Act III, Scene 2: Se parto, se resto
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191640
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  by artist: Antonio Vivaldi
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  by artist: Sonia Prina
  in album: Vivaldi: Catone in Utica
    type: MusicAlbum
    date published: 2013-08-26
  popularity: 2
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131229023
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:31:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xcae4f7bbafa31bb4669397f8dbc8e58d69cfe6c75004a72778f2608d08cadcfa
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    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/FRZ131229023
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcae4f7bbafa31bb4669397f8dbc8e58d69cfe6c75004a72778f2608d08cadcfa. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131229023 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Catone in Utica, RV 705, Act III, Scene 2: Se parto, se resto
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Sinfonia, RV 725: Allegro
  type: MusicRecording
  duration: PT1M58S
  duration ms: 118253
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Vivaldi: Catone in Utica
    type: MusicAlbum
    date published: 2013-08-26
  popularity: 1
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: FRZ131329021
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Sinfonia, RV 725: Allegro
track: Sinfonia, RV 725: IAllegro
track: Catone in Utica, RV 705, Act II, Scene 4: Se mai senti spirarti sul volto lieve
track: Catone in Utica, RV 705, Act I, Scene 5: Vaga sei nè sdegni tuoi
track: Catone in Utica, RV 705, Act II, Scene 11: Dovea svenarti allora
track: Catone in Utica, RV 705, Act II, Scene 12: Il povero mio core
track: Catone in Utica, RV 705, Act I, Scene 9: Apri le luci e mira
track: Catone in Utica, RV 705, Act I, Scene 12: Che legge spietata

CopyrightID
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CopyrightStatus
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value: registered

CopyrightRegisteredAt
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value: 2026-07-08T00:08:03+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x16fb00c40a1050b1ae927394dd95450e888c7161138905b3d6b58ceeddaedfcd

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957120

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957120

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329021

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:22:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x16fb00c40a1050b1ae927394dd95450e888c7161138905b3d6b58ceeddaedfcd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329021 — a six-check JSON result.
date published: 2026-07-08T03:22:41Z

Sinfonia, RV 725: Allegro
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 129.068
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.344
additional property: Energy
  type: PropertyValue
  value: 0.064
additional property: Speechiness
  type: PropertyValue
  value: 0.042
additional property: Acousticness
  type: PropertyValue
  value: 0.88
additional property: Instrumentalness
  type: PropertyValue
  value: 0.407
additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.158
additional property: Loudness (dB)
  type: PropertyValue
  value: -23.623
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
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Sinfonia, RV 725: IAllegro
type: MusicRecording
duration: PT1M5S
duration ms: 65386
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Curtis
by artist: Il Complesso Barocco
in album: Vivaldi: Catone in Utica
  type: MusicAlbum
  date published: 2013-08-26
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131329031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T22:16:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcead31f6b5b133bbb16f7adfd2c2c58a270b08d985590ec56ddc11fc3917ad8d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960473
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960473
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329031
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T22:27:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcead31f6b5b133bbb16f7adfd2c2c58a270b08d985590ec56ddc11fc3917ad8d. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329031 — a six-check JSON result.
  date published: 2026-07-31T22:27:44Z
audio: Sinfonia, RV 725: IAllegro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.049
  additional property: Musical Key
    type: PropertyValue
    value: 6
  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: 0.52
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.926
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.487
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.776
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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Catone in Utica, RV 705, Act II, Scene 4: Se mai senti spirarti sul volto lieve
type: MusicRecording
duration: PT8M2S
duration ms: 482226
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Roberta Mameli
in album: Vivaldi: Catone in Utica
  type: MusicAlbum
  date published: 2013-08-26
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131229042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:53:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf87a988284a07cb35b24f39329ace43a07655f95c950db0808c014e01a09e19f
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/FRZ131229042
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87a988284a07cb35b24f39329ace43a07655f95c950db0808c014e01a09e19f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131229042 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Catone in Utica, RV 705, Act II, Scene 4: Se mai senti spirarti sul volto lieve
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.011
  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: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.115
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.183
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.932
  additional property: Key Name
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    value: Eb
  additional property: Mode Name
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Catone in Utica, RV 705, Act I, Scene 5: Vaga sei nè sdegni tuoi
type: MusicRecording
duration: PT4M55S
duration ms: 295413
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Roberta Mameli
in album: Vivaldi: Catone in Utica
  type: MusicAlbum
  date published: 2013-08-26
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131329091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T03:38:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26b8629d610e885956e11667edee76731143c7f60e0320c901da7996d1f1eee1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960344
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960344
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T04:14:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26b8629d610e885956e11667edee76731143c7f60e0320c901da7996d1f1eee1. Chain 2 (Bitcoin): anchored in block 960344 (2026-07-31T04:14:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131329091 — a six-check JSON result.
  date published: 2026-07-31T04:14:58Z
audio: Catone in Utica, RV 705, Act I, Scene 5: Vaga sei nè sdegni tuoi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.243
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.481
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.022
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Catone in Utica, RV 705, Act II, Scene 11: Dovea svenarti allora
type: MusicRecording
duration: PT3M44S
duration ms: 224960
explicit: false
by artist: Antonio Vivaldi
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Topi Lehtipuu
in album: Vivaldi: Catone in Utica
  type: MusicAlbum
  date published: 2013-08-26
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: FRZ131229102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:50:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc9bc81e748261d908ec2ed345f4a013decadefadfe9a04ea4db1aa6cba2825c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131229102
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc9bc81e748261d908ec2ed345f4a013decadefadfe9a04ea4db1aa6cba2825c. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131229102 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Catone in Utica, RV 705, Act II, Scene 11: Dovea svenarti allora
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.721
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.473
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.843
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
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Catone in Utica, RV 705, Act II, Scene 12: Il povero mio core
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duration: PT4M57S
duration ms: 297866
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by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Sonia Prina
in album: Vivaldi: Catone in Utica
  type: MusicAlbum
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popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Catone in Utica, RV 705, Act I, Scene 9: Apri le luci e mira
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duration: PT7M43S
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by artist: Roberta Mameli
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popularity: 11
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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
audio: Catone in Utica, RV 705, Act I, Scene 9: Apri le luci e mira
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Catone in Utica, RV 705, Act I, Scene 12: Che legge spietata
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duration: PT5M13S
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by artist: Antonio Vivaldi
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Emőke Baráth
in album: Vivaldi: Catone in Utica
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popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-08-01T01:44:32Z
audio: Catone in Utica, RV 705, Act I, Scene 12: Che legge spietata
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Handel: Giulio Cesare, HWV 17
type: MusicAlbum
date published: 2012-11-20
track: Giulio Cesare, HWV 17: Ouverture
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  by artist: Il Complesso Barocco
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  genre: english-baroque
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-30T05:15:54Z
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track: Giulio Cesare, HWV 17, Act I. Scene XI: Recitativo
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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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track: Giulio Cesare, HWV 17, Act I. Scene I: Coro "Viva il nostro alcide"
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  by artist: Marie-Nicole Lemieux
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  subject of: OpenTimestamps Proof of Existence
  audio: Giulio Cesare, HWV 17, Act I. Scene I: Coro "Viva il nostro alcide"
track: Giulio Cesare, HWV 17, Act I. Scene XI: Duetto "Son nata"
track: Giulio Cesare, HWV 17, Act I. Scene I: Aria "Presti ormai l'egizia terra"
track: Giulio Cesare, HWV 17, Act I. Scene I, II & III: Recitativo
track: Giulio Cesare, HWV 17, Act I. Scene III: Aria "Empio, dirò, tu sei"
track: Giulio Cesare, HWV 17, Act I. Scene IV: Recitativo I
track: Giulio Cesare, HWV 17, Act II. Scene II: SinfoniaI II
track: Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Priva son d'ogni conforto"
track: Giulio Cesare, HWV 17, Act II. Scene II: Aria "V'adoro, pupille"
track: Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Svegliatevi nel core"
track: Giulio Cesare, HWV 17, Act I. Scene V: Recitativo
track: Giulio Cesare, HWV 17, Act II. Scene II: Aria "Se in fiorito ameno prato"
track: Giulio Cesare, HWV 17, Act I. Scene V: Aria "Non disperar, chi sa ? "
track: Giulio Cesare, HWV 17, Act I. Scene VI: Recitativo
track: Giulio Cesare, HWV 17, Act I. Scene VI: Aria "L'empio, sleale, indegno"
track: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo accompagnato
track: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo I
track: Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Non è sì vago e bello"
track: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo II
track: Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Tutto può donna vezzosa"
track: Giulio Cesare, HWV 17, Act II. Scene VI: Aria "L'angue offeso mai riposa"
track: Giulio Cesare, HWV 17, Act I. Scene VIII: Arioso "Nel tuo seno, amico sasso"
track: Giulio Cesare, HWV 17, Act I. Scene VIII: Recitativo I
track: Giulio Cesare, HWV 17, Act II. Scene VII: Aria "Venere bella"
track: Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Cara speme, questo core"
track: Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Tu la mia stella sei"
track: Giulio Cesare, HWV 17, Act I. Scene IX: Aria "Va tacito e nascosto"
track: Giulio Cesare, HWV 17, Act I. Scene X & XI: Recitativo
track: Giulio Cesare, HWV 17, Act I. Scene XI: Aria "Tu sei il cor di questo core"

Romina Basso
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Milena Storti
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Emőke Baráth
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Gianluca Buratto
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Filippo Mineccia
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Johannes Weisser
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date published: 2012-11-20

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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x105acf8df08fa6fb96f5b30f7f4bb9c386fc4e9b26f3dbd06d2ff5bff6e84e97. Chain 2 (Bitcoin): anchored in block 960254 (2026-07-30T12:06:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130021 — a six-check JSON result.
date published: 2026-07-30T12:06:10Z

Giulio Cesare, HWV 17, Act I. Scene I: Coro "Viva il nostro alcide"
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 123.654
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.253
additional property: Energy
  type: PropertyValue
  value: 0.207
additional property: Speechiness
  type: PropertyValue
  value: 0.033
additional property: Acousticness
  type: PropertyValue
  value: 0.978
additional property: Instrumentalness
  type: PropertyValue
  value: 0.453
additional property: Liveness
  type: PropertyValue
  value: 0.153
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.3
additional property: Loudness (dB)
  type: PropertyValue
  value: -15.557
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Giulio Cesare, HWV 17, Act I. Scene XI: Duetto "Son nata"
type: MusicRecording
duration: PT7M37S
duration ms: 457520
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Emőke Baráth
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130022
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:21:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc72f89c6f1cdb5ab05fc392518cc4573c7d0f1c4ecde829fbf59bccff2f4253e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130022
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72f89c6f1cdb5ab05fc392518cc4573c7d0f1c4ecde829fbf59bccff2f4253e. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130022 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Giulio Cesare, HWV 17, Act I. Scene XI: Duetto "Son nata"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.078
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.275
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.666
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene I: Aria "Presti ormai l'egizia terra"
type: MusicRecording
duration: PT2M8S
duration ms: 128626
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:02:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x156cd06bfb50713de8fd18a71ebce2ba34030840ae912e157b28517aa9cb6c55
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/FRZ131130031
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x156cd06bfb50713de8fd18a71ebce2ba34030840ae912e157b28517aa9cb6c55. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130031 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene I: Aria "Presti ormai l'egizia terra"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.016
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.622
  additional property: Energy
    type: PropertyValue
    value: 0.389
  additional property: Speechiness
    type: PropertyValue
    value: 0.076
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.162
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.565
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.235
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene I, II & III: Recitativo
type: MusicRecording
duration: PT3M42S
duration ms: 222866
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Emőke Baráth
by artist: Gianluca Buratto
by artist: Johannes Weisser
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:27:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76d8698d744f5cda7fe773beb3923f65e4c279c010f97c0be4256fed1f736751
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d8698d744f5cda7fe773beb3923f65e4c279c010f97c0be4256fed1f736751. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130041 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Giulio Cesare, HWV 17, Act I. Scene I, II & III: Recitativo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.322
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.476
  additional property: Energy
    type: PropertyValue
    value: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.171
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.241
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.913
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene III: Aria "Empio, dirò, tu sei"
type: MusicRecording
duration: PT3M34S
duration ms: 214546
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T05:12:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x558465b80964420775f014e648a89fa96b815fd74a3e4c431fb6f4ce851c8237
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960210
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960210
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:21:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x558465b80964420775f014e648a89fa96b815fd74a3e4c431fb6f4ce851c8237. Chain 2 (Bitcoin): anchored in block 960210 (2026-07-30T05:21:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130051 — a six-check JSON result.
  date published: 2026-07-30T05:21:45Z
audio: Giulio Cesare, HWV 17, Act I. Scene III: Aria "Empio, dirò, tu sei"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.72
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.531
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.444
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.644
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.008
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene IV: Recitativo I
type: MusicRecording
duration: PT1M26S
duration ms: 86973
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Emőke Baráth
by artist: Gianluca Buratto
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:57:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbda91893034b936b748470a4003080bc77df03530fdab8b3048f434e0ba8fbad
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/FRZ131130061
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbda91893034b936b748470a4003080bc77df03530fdab8b3048f434e0ba8fbad. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130061 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene IV: Recitativo I
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.61
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.52
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.148
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.221
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.992
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act II. Scene II: SinfoniaI II
type: MusicRecording
duration: PT0M53S
duration ms: 53173
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:08:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x569a895813a21f4e65e6739bd41cfae5846f22532d098a88a9e3c15164328918
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130062
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x569a895813a21f4e65e6739bd41cfae5846f22532d098a88a9e3c15164328918. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130062 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Giulio Cesare, HWV 17, Act II. Scene II: SinfoniaI II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.4
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.219
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.856
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.11
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.938
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Priva son d'ogni conforto"
type: MusicRecording
duration: PT5M11S
duration ms: 311786
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Romina Basso
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:10:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd96006c479eaad54370aebb3eeb29a5fe4322313c433f0c0adbe0686a477ae7d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96006c479eaad54370aebb3eeb29a5fe4322313c433f0c0adbe0686a477ae7d. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130071 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Priva son d'ogni conforto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.613
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.085
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.075
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.063
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act II. Scene II: Aria "V'adoro, pupille"
type: MusicRecording
duration: PT5M9S
duration ms: 309040
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T00:03:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8eb8d36efa09247e16d9d99baa1f05349788743d8ebc3376de47ab3aacb6e130
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/FRZ131130082
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb8d36efa09247e16d9d99baa1f05349788743d8ebc3376de47ab3aacb6e130. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130082 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act II. Scene II: Aria "V'adoro, pupille"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.714
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.37
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.057
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.155
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Svegliatevi nel core"
type: MusicRecording
duration: PT4M7S
duration ms: 247666
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Emőke Baráth
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:55:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4688cabd4f9459691a58d6b2f5297c56caad0e453bd5a9330c4017a7e457071e
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/FRZ131130091
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4688cabd4f9459691a58d6b2f5297c56caad0e453bd5a9330c4017a7e457071e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130091 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene IV: Aria "Svegliatevi nel core"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.655
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.474
  additional property: Energy
    type: PropertyValue
    value: 0.234
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.309
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.345
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene V: Recitativo
type: MusicRecording
duration: PT2M20S
duration ms: 140600
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Milena Storti
by artist: Filippo Mineccia
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:32:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdaf210d57b1db4349599d3cb78ec04c77f1414eb4c86a1946fc2ed2097278847
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/FRZ131130101
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdaf210d57b1db4349599d3cb78ec04c77f1414eb4c86a1946fc2ed2097278847. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130101 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Giulio Cesare, HWV 17, Act I. Scene V: Recitativo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.282
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.563
  additional property: Energy
    type: PropertyValue
    value: 0.175
  additional property: Speechiness
    type: PropertyValue
    value: 0.123
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.172
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.488
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act II. Scene II: Aria "Se in fiorito ameno prato"
type: MusicRecording
duration: PT7M54S
duration ms: 474746
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:06:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x62175de2e999e32b47332a46045a58bc4d3fbafe4b5f3e02a8957de092ba32e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130102
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x62175de2e999e32b47332a46045a58bc4d3fbafe4b5f3e02a8957de092ba32e6. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130102 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Giulio Cesare, HWV 17, Act II. Scene II: Aria "Se in fiorito ameno prato"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.507
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.43
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.244
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.932
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene V: Aria "Non disperar, chi sa ? "
type: MusicRecording
duration: PT4M23S
duration ms: 263573
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130111
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T21:15:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa5d82254c4f6ee156524e1f4fe18553d76e20f37da552fd7597f51c1b034edac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960317
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960317
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130111
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T21:35:24Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa5d82254c4f6ee156524e1f4fe18553d76e20f37da552fd7597f51c1b034edac. Chain 2 (Bitcoin): anchored in block 960317 (2026-07-30T21:35:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130111 — a six-check JSON result.
  date published: 2026-07-30T21:35:24Z
audio: Giulio Cesare, HWV 17, Act I. Scene V: Aria "Non disperar, chi sa ? "
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.22
  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: 0.481
  additional property: Energy
    type: PropertyValue
    value: 0.151
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.212
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.262
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VI: Recitativo
type: MusicRecording
duration: PT1M26S
duration ms: 86253
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Filippo Mineccia
by artist: Johannes Weisser
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130121
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:29:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd4534c4d90de3b2441abdd44f3e45346e7c7dbb3995907268bc5cce87f36cf5e
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/FRZ131130121
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4534c4d90de3b2441abdd44f3e45346e7c7dbb3995907268bc5cce87f36cf5e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130121 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene VI: Recitativo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.971
  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: 0.525
  additional property: Energy
    type: PropertyValue
    value: 0.284
  additional property: Speechiness
    type: PropertyValue
    value: 0.198
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.307
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.236
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.859
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VI: Aria "L'empio, sleale, indegno"
type: MusicRecording
duration: PT3M29S
duration ms: 209120
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Filippo Mineccia
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130131
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T19:02:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfb3f4c30bfb10e6b4c3b8dec58aa35a2f8a1191abdb1a5be4d62941ab5f7d410
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130131
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:09:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb3f4c30bfb10e6b4c3b8dec58aa35a2f8a1191abdb1a5be4d62941ab5f7d410. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130131 — a six-check JSON result.
  date published: 2026-07-30T20:09:33Z
audio: Giulio Cesare, HWV 17, Act I. Scene VI: Aria "L'empio, sleale, indegno"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.499
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.466
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.234
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.475
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.55
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo accompagnato
type: MusicRecording
duration: PT2M30S
duration ms: 150986
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130141
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:41:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2227daf2a9dd458bc1b146dc6908fa7aa88b9d63d5319deed1a6f202284a2f7
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/FRZ131130141
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2227daf2a9dd458bc1b146dc6908fa7aa88b9d63d5319deed1a6f202284a2f7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130141 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo accompagnato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.311
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.338
  additional property: Energy
    type: PropertyValue
    value: 0.19
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.349
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo I
type: MusicRecording
duration: PT1M40S
duration ms: 100173
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Gianluca Buratto
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130151
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T02:07:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x203da84002e991d7db684bbd469ab95a6d645b18f175443ebaa1cda9a616995d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130151
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:13:03Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x203da84002e991d7db684bbd469ab95a6d645b18f175443ebaa1cda9a616995d. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130151 — a six-check JSON result.
  date published: 2026-08-01T03:13:03Z
audio: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo I
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.23
  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: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.16
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.379
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.13
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.811
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Non è sì vago e bello"
type: MusicRecording
duration: PT3M3S
duration ms: 183653
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:57:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe88056765b34f42f8d94a5489ed3c016fd15f4a56c8570f27e90f19719cd728a
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/FRZ131130161
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe88056765b34f42f8d94a5489ed3c016fd15f4a56c8570f27e90f19719cd728a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130161 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Non è sì vago e bello"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.736
  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: 0.4
  additional property: Energy
    type: PropertyValue
    value: 0.225
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.365
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.404
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo II
type: MusicRecording
duration: PT0M32S
duration ms: 32413
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Milena Storti
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130171
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:26:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x73fa4c0401fac3896af8f547b9fbf0f45221f426d086a2c222879e4aaad42b1d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130171
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73fa4c0401fac3896af8f547b9fbf0f45221f426d086a2c222879e4aaad42b1d. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130171 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Giulio Cesare, HWV 17, Act I. Scene VII: Recitativo II
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.445
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.555
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.142
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.284
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.87
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Tutto può donna vezzosa"
type: MusicRecording
duration: PT4M54S
duration ms: 294573
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130181
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:47:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0e1030ad3d63adf3b3b88f2c52618d4d80abf064d764c03fe7860eb57225c528
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130181
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e1030ad3d63adf3b3b88f2c52618d4d80abf064d764c03fe7860eb57225c528. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130181 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Giulio Cesare, HWV 17, Act I. Scene VII: Aria "Tutto può donna vezzosa"
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 163.912
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.327
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.306
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.139
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act II. Scene VI: Aria "L'angue offeso mai riposa"
type: MusicRecording
duration: PT5M18S
duration ms: 318373
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Emőke Baráth
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130192
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:01:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x67612c83a93e27700f87e784a0f6131b4771f02a03e235620b50116e43bd3e81
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/FRZ131130192
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x67612c83a93e27700f87e784a0f6131b4771f02a03e235620b50116e43bd3e81. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130192 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act II. Scene VI: Aria "L'angue offeso mai riposa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.819
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.227
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.371
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.864
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene VIII: Arioso "Nel tuo seno, amico sasso"
type: MusicRecording
duration: PT2M26S
duration ms: 146440
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Romina Basso
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130201
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T09:36:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf73d70ac5e85d8e161bd2da2eb6b1f4a992d1e10bd1ab9354dffb8bc3ebbdfd2
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/FRZ131130201
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf73d70ac5e85d8e161bd2da2eb6b1f4a992d1e10bd1ab9354dffb8bc3ebbdfd2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130201 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene VIII: Arioso "Nel tuo seno, amico sasso"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.81
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.071
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene VIII: Recitativo I
type: MusicRecording
duration: PT2M8S
duration ms: 128866
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Milena Storti
by artist: Emőke Baráth
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:35:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xeddd5dff3d1f2f0940c35fe31b8480ecc82f1c6bbcd53fb0c239e08d6707387d
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/FRZ131130211
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeddd5dff3d1f2f0940c35fe31b8480ecc82f1c6bbcd53fb0c239e08d6707387d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130211 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Giulio Cesare, HWV 17, Act I. Scene VIII: Recitativo I
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.361
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.56
  additional property: Energy
    type: PropertyValue
    value: 0.178
  additional property: Speechiness
    type: PropertyValue
    value: 0.161
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.187
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.301
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act II. Scene VII: Aria "Venere bella"
type: MusicRecording
duration: PT4M1S
duration ms: 241413
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:15:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf79d2440d872a289346ed07a89e3e0984935c96501d8a68ed71328eb5a17ed67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130212
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf79d2440d872a289346ed07a89e3e0984935c96501d8a68ed71328eb5a17ed67. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130212 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Giulio Cesare, HWV 17, Act II. Scene VII: Aria "Venere bella"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.482
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.402
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.315
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.688
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Cara speme, questo core"
type: MusicRecording
duration: PT4M40S
duration ms: 280240
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Emőke Baráth
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:51:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdb01950af4f3660b99184b990cc25e4c1e9573aef887925489e7f58dbd765777
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130221
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb01950af4f3660b99184b990cc25e4c1e9573aef887925489e7f58dbd765777. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130221 — a six-check JSON result.
  date published: 2026-07-08T08:56:20Z
audio: Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Cara speme, questo core"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.332
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.221
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.471
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.913
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Tu la mia stella sei"
type: MusicRecording
duration: PT4M34S
duration ms: 274293
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Karina Gauvin
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130241
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:14:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d787ce2c53887cdf3af02fbd23125d4e2438589610a6fd37e76e813fa407ed0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130241
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d787ce2c53887cdf3af02fbd23125d4e2438589610a6fd37e76e813fa407ed0. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130241 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Giulio Cesare, HWV 17, Act I. Scene VIII: Aria "Tu la mia stella sei"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.327
  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: 0.325
  additional property: Energy
    type: PropertyValue
    value: 0.183
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.174
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene IX: Aria "Va tacito e nascosto"
type: MusicRecording
duration: PT6M10S
duration ms: 370186
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Marie-Nicole Lemieux
by artist: Il Complesso Barocco
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130261
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:13:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5050d23476c88f93937fb17b5c47649fe61fe942892258f9dd560b54a7ad81fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130261
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5050d23476c88f93937fb17b5c47649fe61fe942892258f9dd560b54a7ad81fe. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130261 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Giulio Cesare, HWV 17, Act I. Scene IX: Aria "Va tacito e nascosto"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.9
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.391
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.215
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.014
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Giulio Cesare, HWV 17, Act I. Scene X & XI: Recitativo
type: MusicRecording
duration: PT2M22S
duration ms: 142040
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Emőke Baráth
by artist: Filippo Mineccia
by artist: Johannes Weisser
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130271
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:40:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x365bd0475f013a1d27f2f263e7f3bdf00cde1633ce42057cf7443fbc02578714
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/FRZ131130271
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x365bd0475f013a1d27f2f263e7f3bdf00cde1633ce42057cf7443fbc02578714. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130271 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Giulio Cesare, HWV 17, Act I. Scene X & XI: Recitativo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.585
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.502
  additional property: Energy
    type: PropertyValue
    value: 0.262
  additional property: Speechiness
    type: PropertyValue
    value: 0.093
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.329
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.082
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Giulio Cesare, HWV 17, Act I. Scene XI: Aria "Tu sei il cor di questo core"
type: MusicRecording
duration: PT4M33S
duration ms: 273373
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Johannes Weisser
in album: Handel: Giulio Cesare, HWV 17
  type: MusicAlbum
  date published: 2012-11-20
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: FRZ131130281
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:04:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc0f3901ed01114f9e44c710dba282b6203a58ecb8cd7b809a4218be37c72fcf6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130281
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc0f3901ed01114f9e44c710dba282b6203a58ecb8cd7b809a4218be37c72fcf6. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131130281 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Giulio Cesare, HWV 17, Act I. Scene XI: Aria "Tu sei il cor di questo core"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.398
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.451
  additional property: Energy
    type: PropertyValue
    value: 0.325
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.114
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.414
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.313
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Berenice
type: MusicAlbum
date published: 2010-06-14
track: Handel: Berenice, regina d'Egitto, HWV 38: Overture - Allegro
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166146
  explicit: false
  by artist: George Frideric Handel
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Handel: Berenice
    type: MusicAlbum
    date published: 2010-06-14
  popularity: 4
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC1000610
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T02:00:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfd3528f94df63f164d33a8bcc4d36e116f3946df937728d780d59ee5c3948265
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960334
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960334
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000610
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:19:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd3528f94df63f164d33a8bcc4d36e116f3946df937728d780d59ee5c3948265. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000610 — a six-check JSON result.
    date published: 2026-07-31T02:19:15Z
  audio: Handel: Berenice, regina d'Egitto, HWV 38: Overture - Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.011
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.364
    additional property: Energy
      type: PropertyValue
      value: 0.179
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.903
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.44
    additional property: Liveness
      type: PropertyValue
      value: 0.173
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.491
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.643
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Handel: Berenice, regina d'Egitto, HWV 38: Andante larghetto
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151520
  explicit: false
  by artist: George Frideric Handel
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Handel: Berenice
    type: MusicAlbum
    date published: 2010-06-14
  popularity: 3
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC1000611
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T02:07:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x83d66a766bfb57486cb6644eddecea63587e59b14f58b7e18a5f61aaef1509e3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960337
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960337
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000611
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:51:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83d66a766bfb57486cb6644eddecea63587e59b14f58b7e18a5f61aaef1509e3. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000611 — a six-check JSON result.
    date published: 2026-07-31T02:51:48Z
  audio: Handel: Berenice, regina d'Egitto, HWV 38: Andante larghetto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 123.79
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.249
    additional property: Energy
      type: PropertyValue
      value: 0.052
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.853
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.121
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.288
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.221
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Handel: Berenice, regina d'Egitto, HWV 38: Gigue
  type: MusicRecording
  duration: PT1M27S
  duration ms: 87240
  explicit: false
  by artist: George Frideric Handel
  by artist: Alan Curtis
  by artist: Il Complesso Barocco
  in album: Handel: Berenice
    type: MusicAlbum
    date published: 2010-06-14
  popularity: 3
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: GBAYC1000612
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Handel: Berenice, regina d'Egitto, HWV 38: Gigue
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Aristobolo, a noi" - "Berenice, al tuo soglio" (Fabio, Alessandro, Berenice)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, che service altrui" (Berenice)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Fabio, vedesti mai più bell'orgoglio?" (Alessandro, Fabio)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "Che sarà quando amante accarezza" (Alessandro)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, soffrir non può il mio amore" (Demetrio)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 2: Aria. "Sì, tra i ceppi, e le ritorte" (Demetrio)
track: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Duetto. "Se il mio amor fu il tuo delitto" (Berenice, Demetrio)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T08:55:03+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x59ee96c6506b72c25f2ff41a9068eed46045430968f27498611c237a08f57357

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960376

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960376

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000612

OTSTimestamp
type: PropertyValue
value: 2026-07-31T09:09:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59ee96c6506b72c25f2ff41a9068eed46045430968f27498611c237a08f57357. Chain 2 (Bitcoin): anchored in block 960376 (2026-07-31T09:09:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000612 — a six-check JSON result.
date published: 2026-07-31T09:09:19Z

Handel: Berenice, regina d'Egitto, HWV 38: Gigue
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 112.444
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.569
additional property: Energy
  type: PropertyValue
  value: 0.144
additional property: Speechiness
  type: PropertyValue
  value: 0.039
additional property: Acousticness
  type: PropertyValue
  value: 0.89
additional property: Instrumentalness
  type: PropertyValue
  value: 0.026
additional property: Liveness
  type: PropertyValue
  value: 0.269
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.838
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.1
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Aristobolo, a noi" - "Berenice, al tuo soglio" (Fabio, Alessandro, Berenice)
type: MusicRecording
duration: PT1M25S
duration ms: 85160
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Anicio Zorzi Giustiniani
by artist: Il Complesso Barocco
by artist: Ingela Bohlin
by artist: Klara Ek
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000614
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:34:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf7c730ec1ccfab4bcb35f91c279af0fe65e7b02ccc84e9c354c5f47c03d360be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960427
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960427
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000614
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:59:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7c730ec1ccfab4bcb35f91c279af0fe65e7b02ccc84e9c354c5f47c03d360be. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000614 — a six-check JSON result.
  date published: 2026-07-31T15:59:18Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Aristobolo, a noi" - "Berenice, al tuo soglio" (Fabio, Alessandro, Berenice)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.866
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.5
  additional property: Energy
    type: PropertyValue
    value: 0.169
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.952
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.637
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, che service altrui" (Berenice)
type: MusicRecording
duration: PT4M48S
duration ms: 288000
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Klara Ek
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000615
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:52:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x87a5c71c7279afe890060b076e8aa6a4d99158c7e86d67f1eda65bea20132a2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000615
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a5c71c7279afe890060b076e8aa6a4d99158c7e86d67f1eda65bea20132a2f. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000615 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, che service altrui" (Berenice)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.045
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.164
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.39
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Fabio, vedesti mai più bell'orgoglio?" (Alessandro, Fabio)
type: MusicRecording
duration: PT0M51S
duration ms: 51733
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Anicio Zorzi Giustiniani
by artist: Il Complesso Barocco
by artist: Ingela Bohlin
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000616
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:49:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe99f6dbf2beb90245a07d075d4ccd7247b9ba8f9272ace1f86add8be388ac4a0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960459
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960459
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000616
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:22:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe99f6dbf2beb90245a07d075d4ccd7247b9ba8f9272ace1f86add8be388ac4a0. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000616 — a six-check JSON result.
  date published: 2026-07-31T20:22:46Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Recitativo. "Fabio, vedesti mai più bell'orgoglio?" (Alessandro, Fabio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.6
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.277
  additional property: Speechiness
    type: PropertyValue
    value: 0.27
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.354
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.426
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.222
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "Che sarà quando amante accarezza" (Alessandro)
type: MusicRecording
duration: PT4M57S
duration ms: 297413
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Il Complesso Barocco
by artist: Ingela Bohlin
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000619
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:56:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2355efb8a8d4bee23bacc261018d400b9a6ea90b6300a1a0c40f56ccf39c2967
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000619
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2355efb8a8d4bee23bacc261018d400b9a6ea90b6300a1a0c40f56ccf39c2967. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000619 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "Che sarà quando amante accarezza" (Alessandro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.925
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.598
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, soffrir non può il mio amore" (Demetrio)
type: MusicRecording
duration: PT4M38S
duration ms: 278360
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Franco Fagioli
by artist: Il Complesso Barocco
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000621
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:24:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2a131687a1de7f4ce34b7955761c486d2add65c59688713f4778834c02d80d2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960463
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960463
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000621
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T20:42:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2a131687a1de7f4ce34b7955761c486d2add65c59688713f4778834c02d80d2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000621 — a six-check JSON result.
  date published: 2026-07-31T20:42:35Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Aria. "No, soffrir non può il mio amore" (Demetrio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.481
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.328
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.232
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.929
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Berenice, regina d'Egitto, HWV 38, Act 2: Aria. "Sì, tra i ceppi, e le ritorte" (Demetrio)
type: MusicRecording
duration: PT5M36S
duration ms: 336986
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Franco Fagioli
by artist: Il Complesso Barocco
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 2
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000652
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T17:59:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0296814ca83e18e001937bc4c42d7ccdfaaf87bca2e43e58df1b58da62b160d
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000652
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T18:48:12Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0296814ca83e18e001937bc4c42d7ccdfaaf87bca2e43e58df1b58da62b160d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000652 — a six-check JSON result.
  date published: 2026-07-31T18:48:12Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 2: Aria. "Sì, tra i ceppi, e le ritorte" (Demetrio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.028
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.574
  additional property: Energy
    type: PropertyValue
    value: 0.462
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.685
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.158
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Duetto. "Se il mio amor fu il tuo delitto" (Berenice, Demetrio)
type: MusicRecording
duration: PT4M51S
duration ms: 291680
explicit: false
by artist: George Frideric Handel
by artist: Alan Curtis
by artist: Franco Fagioli
by artist: Il Complesso Barocco
by artist: Klara Ek
in album: Handel: Berenice
  type: MusicAlbum
  date published: 2010-06-14
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: GBAYC1000633
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:44:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd777595193c62d826c8b248f78d03ad2c38015b75087102c6eec380a50354db6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000633
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd777595193c62d826c8b248f78d03ad2c38015b75087102c6eec380a50354db6. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1000633 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Handel: Berenice, regina d'Egitto, HWV 38, Act 1: Duetto. "Se il mio amor fu il tuo delitto" (Berenice, Demetrio)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.698
  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: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.222
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.173
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.575
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Handel: Tolomeo
type: MusicAlbum
date published: 2008-01-01
track: Tolomeo, Re d'Egitto HWV 25: Ouverture
  type: MusicRecording
  duration: PT5M45S
  duration ms: 345653
  explicit: false
  by artist: George Frideric Handel
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Handel: Tolomeo
    type: MusicAlbum
    date published: 2008-01-01
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: DEN960632201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T01:45:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc1ad361cb7000d68d75b7ce2e07db105021737f1ef68709b9ef8e23b45ff8fd3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960334
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960334
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T02:19:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1ad361cb7000d68d75b7ce2e07db105021737f1ef68709b9ef8e23b45ff8fd3. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632201 — a six-check JSON result.
    date published: 2026-07-31T02:19:15Z
  audio: Tolomeo, Re d'Egitto HWV 25: Ouverture
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 135.458
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.144
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.967
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.547
    additional property: Liveness
      type: PropertyValue
      value: 0.284
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.527
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.209
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Arioso: Voi dolci aurette
  type: MusicRecording
  duration: PT2M57S
  duration ms: 177626
  explicit: false
  by artist: George Frideric Handel
  by artist: Anna Bonitatibus
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Handel: Tolomeo
    type: MusicAlbum
    date published: 2008-01-01
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: DEN960632221
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T19:30:12+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0c3359d2883887e67cf59933e076c5bd2cd0357448e9d21c42be57f52bd8e1a5
  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/DEN960632221
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c3359d2883887e67cf59933e076c5bd2cd0357448e9d21c42be57f52bd8e1a5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632221 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Arioso: Voi dolci aurette
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 102.426
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.285
    additional property: Energy
      type: PropertyValue
      value: 0.088
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.947
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.544
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.218
    additional property: Loudness (dB)
      type: PropertyValue
      value: -24.93
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Acc.: Orgoglioso elemento
  type: MusicRecording
  duration: PT1M23S
  duration ms: 83240
  explicit: false
  by artist: George Frideric Handel
  by artist: Ann Hallenberg
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Handel: Tolomeo
    type: MusicAlbum
    date published: 2008-01-01
  genre: classical
  genre: opera
  genre: early-music
  genre: baroque
  genre: english-baroque
  genre: german-baroque
  genre: choral
  isrc code: DEN960632202
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Acc.: Orgoglioso elemento
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Quanto è felice
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Cielo ingiusto
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Aure, portate
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ahi! Elisa infelice
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Non lo dirò col labbro
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Se un solo è quel core
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Quell'onda che si frange
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Il mio core
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
track: Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria a due, Rec. & Arioso: Dite, che fa
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Arioso: Tiranni miei pensieri
track: Tolomeo, Re d'Egitto HWV 25 / Act 2: Duetto: Se il cor ti perde
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Fonti amiche
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
track: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Torna sol per un momento

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T18:55:23+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xf10f590dabd7e0f6073c71363c9ece819c9a69df23ad060230963b8cb5146e88

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960455

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960455

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632202

OTSTimestamp
type: PropertyValue
value: 2026-07-31T19:53:13Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf10f590dabd7e0f6073c71363c9ece819c9a69df23ad060230963b8cb5146e88. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632202 — a six-check JSON result.
date published: 2026-07-31T19:53:13Z

Tolomeo, Re d'Egitto HWV 25 / Act 1: Acc.: Orgoglioso elemento
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 95.286
additional property: Musical Key
  type: PropertyValue
  value: 9
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.441
additional property: Energy
  type: PropertyValue
  value: 0.149
additional property: Speechiness
  type: PropertyValue
  value: 0.119
additional property: Acousticness
  type: PropertyValue
  value: 0.978
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.698
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.073
additional property: Loudness (dB)
  type: PropertyValue
  value: -21.351
additional property: Key Name
  type: PropertyValue
  value: A
additional property: Mode Name
  type: PropertyValue
  value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
type: MusicRecording
duration: PT1M25S
duration ms: 85893
explicit: false
by artist: George Frideric Handel
by artist: Romina Basso
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632203
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:56:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3d1cb84fbab2169d73abfe9d414b2e5612aeb671b35949917c580a55d8e4b1d7
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/DEN960632203
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3d1cb84fbab2169d73abfe9d414b2e5612aeb671b35949917c580a55d8e4b1d7. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632203 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Numi, pietà!
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.288
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.476
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.297
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.157
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.802
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Quanto è felice
type: MusicRecording
duration: PT4M36S
duration ms: 276586
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:25:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7361b273de800174894b1c573d2db13dceec2eda5648069b6e09a03f46b9fae3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632223
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7361b273de800174894b1c573d2db13dceec2eda5648069b6e09a03f46b9fae3. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632223 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Quanto è felice
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.981
  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: 0.584
  additional property: Energy
    type: PropertyValue
    value: 0.181
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.081
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.703
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.754
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Cielo ingiusto
type: MusicRecording
duration: PT4M6S
duration ms: 246546
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632204
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T09:23:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7a3c934ca6cd764f11957970050965b2ab2457895d4394d90b90791db317a07f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960381
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960381
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632204
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T09:50:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7a3c934ca6cd764f11957970050965b2ab2457895d4394d90b90791db317a07f. Chain 2 (Bitcoin): anchored in block 960381 (2026-07-31T09:50:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632204 — a six-check JSON result.
  date published: 2026-07-31T09:50:11Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Cielo ingiusto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.169
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.494
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.726
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.755
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Aure, portate
type: MusicRecording
duration: PT3M23S
duration ms: 203706
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632225
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:03:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0866459a807cd188d26b49a7170fad7f858df3164641ccfc2572df4443ebf6d3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632225
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0866459a807cd188d26b49a7170fad7f858df3164641ccfc2572df4443ebf6d3. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632225 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Aure, portate
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.582
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.304
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.52
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.045
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ahi! Elisa infelice
type: MusicRecording
duration: PT1M32S
duration ms: 92853
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T09:56:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7415465ce59ad72af190bece1e55b4e1761ad4fe881115ed35356a71891e8231
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632205
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7415465ce59ad72af190bece1e55b4e1761ad4fe881115ed35356a71891e8231. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632205 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ahi! Elisa infelice
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.079
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.571
  additional property: Energy
    type: PropertyValue
    value: 0.045
  additional property: Speechiness
    type: PropertyValue
    value: 0.107
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.163
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Non lo dirò col labbro
type: MusicRecording
duration: PT2M11S
duration ms: 131680
explicit: false
by artist: George Frideric Handel
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-29T17:16:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7556cbe3670867ff345e2d35b6b28c865b9846454a5c3278a4a24bdedaa8a9b2
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632206
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T19:35:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7556cbe3670867ff345e2d35b6b28c865b9846454a5c3278a4a24bdedaa8a9b2. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632206 — a six-check JSON result.
  date published: 2026-07-29T19:35:34Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Non lo dirò col labbro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.717
  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: 0.308
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.3
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.254
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Se un solo è quel core
type: MusicRecording
duration: PT4M0S
duration ms: 240680
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632227
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:27:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xea2102e7d24d91ea910270f42e34e14c67198ee3e834452ba2d9970336dd6a5c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632227
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xea2102e7d24d91ea910270f42e34e14c67198ee3e834452ba2d9970336dd6a5c. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632227 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Se un solo è quel core
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.105
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.375
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.269
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.444
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Quell'onda che si frange
type: MusicRecording
duration: PT4M46S
duration ms: 286066
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T05:42:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e06c327a7602d92dbc397f68677399c5d69d2bcd86cb3964deff4a2e5ddaf32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960354
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960354
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:48:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e06c327a7602d92dbc397f68677399c5d69d2bcd86cb3964deff4a2e5ddaf32. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632208 — a six-check JSON result.
  date published: 2026-07-31T05:48:18Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Quell'onda che si frange
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.562
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.526
  additional property: Energy
    type: PropertyValue
    value: 0.177
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.971
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.618
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.205
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Il mio core
type: MusicRecording
duration: PT3M24S
duration ms: 204573
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:56:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe4c95e86afd94ba6f2f24210f990839593c713c33d320075e65404e16dfcde15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4c95e86afd94ba6f2f24210f990839593c713c33d320075e65404e16dfcde15. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632229 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Il mio core
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.194
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.385
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.267
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.717
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.321
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
type: MusicRecording
duration: PT1M44S
duration ms: 104120
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:21:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x71883b36f3b377c00033784315b4fe9a2179c8642d260a157116bc156b52dd83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960478
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960478
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:30:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x71883b36f3b377c00033784315b4fe9a2179c8642d260a157116bc156b52dd83. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632209 — a six-check JSON result.
  date published: 2026-07-31T23:30:38Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Quest'è pur Cipro
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.837
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.537
  additional property: Energy
    type: PropertyValue
    value: 0.084
  additional property: Speechiness
    type: PropertyValue
    value: 0.177
  additional property: Acousticness
    type: PropertyValue
    value: 0.949
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.934
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
type: MusicRecording
duration: PT5M41S
duration ms: 341973
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:50:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90d47d8d20ac6582e823e1c2a69a8525f240a13d0cea7dfc9824129e2ef59595
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/DEN960632210
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x90d47d8d20ac6582e823e1c2a69a8525f240a13d0cea7dfc9824129e2ef59595. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632210 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Mi volgo ad ogni fronda
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.5
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.33
  additional property: Energy
    type: PropertyValue
    value: 0.072
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.981
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.228
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.426
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
type: MusicRecording
duration: PT3M36S
duration ms: 216920
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632247
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:16:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x491a0ccd41d402d560bbb63dc37340063824fdb2097969e5d2757d966a0353e0
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/DEN960632247
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x491a0ccd41d402d560bbb63dc37340063824fdb2097969e5d2757d966a0353e0. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632247 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 3: Aria: Ti pentirai, crudel
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.439
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.582
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.705
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.681
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
type: MusicRecording
duration: PT1M27S
duration ms: 87960
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:41:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6b0af5af0f818211b92726b239247de343dce7bbb42c6a23fc42a1f8ccc4c7a8
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/DEN960632211
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b0af5af0f818211b92726b239247de343dce7bbb42c6a23fc42a1f8ccc4c7a8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632211 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: O cari agli occhi miei
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.197
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.135
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.162
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.914
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria a due, Rec. & Arioso: Dite, che fa
type: MusicRecording
duration: PT5M52S
duration ms: 352613
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T01:45:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94d95095ae8483ff346eeaed2990894d8763286c891d37315439b1fc655a2ab9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94d95095ae8483ff346eeaed2990894d8763286c891d37315439b1fc655a2ab9. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632232 — a six-check JSON result.
  date published: 2026-07-31T02:19:15Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria a due, Rec. & Arioso: Dite, che fa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.319
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.267
  additional property: Energy
    type: PropertyValue
    value: 0.036
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.064
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.884
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
type: MusicRecording
duration: PT6M14S
duration ms: 374360
explicit: false
by artist: George Frideric Handel
by artist: Anna Bonitatibus
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T23:45:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x529c29de8933dc835d8969cd36ea5fa2e63f0988f43a9afd830916e3a39e98c3
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/DEN960632212
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x529c29de8933dc835d8969cd36ea5fa2e63f0988f43a9afd830916e3a39e98c3. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632212 — a six-check JSON result.
  date published: 2026-07-08T03:22:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Se talor miri un fior
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.305
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.407
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.137
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.446
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.856
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
type: MusicRecording
duration: PT0M40S
duration ms: 40893
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:53:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa07fe322a38636aac174381ee1c74e7930c47272ece3afeb9b9677778cade28c
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/DEN960632213
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa07fe322a38636aac174381ee1c74e7930c47272ece3afeb9b9677778cade28c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632213 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Conosco ben
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.442
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.549
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.132
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.182
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.99
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
type: MusicRecording
duration: PT2M30S
duration ms: 150293
explicit: false
by artist: George Frideric Handel
by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:16:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd28fabeb9ebe33a6955334ef2c611f9058d0e99a1adb5df48ab97e06a8c57e5a
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/DEN960632234
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd28fabeb9ebe33a6955334ef2c611f9058d0e99a1adb5df48ab97e06a8c57e5a. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632234 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Aria: Piangi pur
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.881
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.567
  additional property: Energy
    type: PropertyValue
    value: 0.349
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.942
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.694
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.479
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Arioso: Tiranni miei pensieri
type: MusicRecording
duration: PT2M4S
duration ms: 124840
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T02:11:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x229017aeb76fb7602522f5e6b9b591c9ebf350c0f97b06da0226810e087f244c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960337
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960337
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:51:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x229017aeb76fb7602522f5e6b9b591c9ebf350c0f97b06da0226810e087f244c. Chain 2 (Bitcoin): anchored in block 960337 (2026-07-31T02:51:48Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632214 — a six-check JSON result.
  date published: 2026-07-31T02:51:48Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Arioso: Tiranni miei pensieri
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.738
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.074
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.47
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 2: Duetto: Se il cor ti perde
type: MusicRecording
duration: PT7M4S
duration ms: 424706
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:52:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0fd36518e586d4e979817978043277520d91f792f82f949c51eca12c348e6d0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632236
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fd36518e586d4e979817978043277520d91f792f82f949c51eca12c348e6d0b. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632236 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 2: Duetto: Se il cor ti perde
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.326
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.294
  additional property: Energy
    type: PropertyValue
    value: 0.095
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.089
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.34
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Fonti amiche
type: MusicRecording
duration: PT5M22S
duration ms: 322813
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:40:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8b22898d187a5849674981fe661a2c7632972cdc82b81338a57c283e12623a3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632216
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8b22898d187a5849674981fe661a2c7632972cdc82b81338a57c283e12623a3. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632216 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Fonti amiche
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.776
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.241
  additional property: Energy
    type: PropertyValue
    value: 0.049
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.282
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
type: MusicRecording
duration: PT2M24S
duration ms: 144933
explicit: false
by artist: George Frideric Handel
by artist: Karina Gauvin
by artist: Pietro Spagnoli
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T20:43:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x772143914a061d51c40c02362bf9ef00b10767a2dbb583953118639edfd57da9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632217
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T21:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x772143914a061d51c40c02362bf9ef00b10767a2dbb583953118639edfd57da9. Chain 2 (Bitcoin): anchored in block 960468 (2026-07-31T21:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632217 — a six-check JSON result.
  date published: 2026-07-31T21:25:57Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: Ma! quel pastor - Delia ad un pastor
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.292
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.605
  additional property: Energy
    type: PropertyValue
    value: 0.142
  additional property: Speechiness
    type: PropertyValue
    value: 0.218
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.19
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.074
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
type: MusicRecording
duration: PT2M48S
duration ms: 168680
explicit: false
by artist: George Frideric Handel
by artist: Pietro Spagnoli
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T23:22:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x235c6087bdae754808df43337a6c8faf84df15c7183f6b83c0ee4e0797711800
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960481
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960481
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T23:51:35Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x235c6087bdae754808df43337a6c8faf84df15c7183f6b83c0ee4e0797711800. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632218 — a six-check JSON result.
  date published: 2026-07-31T23:51:35Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Respira almen un poco
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.753
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.532
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.78
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.841
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
type: MusicRecording
duration: PT0M46S
duration ms: 46840
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:16:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d525a035a0e7e710ccf8998a7cac63d42b84c6729b951b71ef402c75d293cbf
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/DEN960632219
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d525a035a0e7e710ccf8998a7cac63d42b84c6729b951b71ef402c75d293cbf. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632219 — a six-check JSON result.
  date published: 2026-07-08T03:53:27Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Rec.: V'è ancor qualche martire
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.288
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.531
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.105
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.374
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.262
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Torna sol per un momento
type: MusicRecording
duration: PT4M48S
duration ms: 288573
explicit: false
by artist: George Frideric Handel
by artist: Ann Hallenberg
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Handel: Tolomeo
  type: MusicAlbum
  date published: 2008-01-01
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
isrc code: DEN960632220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:37:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53e2610287e4df4efbde1bcf44279376e090ab0dc47d127563e96f61be49e542
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53e2610287e4df4efbde1bcf44279376e090ab0dc47d127563e96f61be49e542. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960632220 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Tolomeo, Re d'Egitto HWV 25 / Act 1: Aria: Torna sol per un momento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.641
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.285
  additional property: Energy
    type: PropertyValue
    value: 0.041
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.95
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.232
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.098
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.731
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Motezuma, RV 723
type: MusicAlbum
date published: 2006-01-01
track: Motezuma, RV 723 / Sinfonia: Allegro
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149000
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Vivaldi: Motezuma, RV 723
    type: MusicAlbum
    date published: 2006-01-01
  popularity: 4
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: DEN960532201
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T10:20:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xce259a2990fdb6741aacab633efa015579fe256b35b4f5a513a4118aa35fcb96
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960099
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960099
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532201
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T11:30:20Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce259a2990fdb6741aacab633efa015579fe256b35b4f5a513a4118aa35fcb96. Chain 2 (Bitcoin): anchored in block 960099 (2026-07-29T11:30:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532201 — a six-check JSON result.
    date published: 2026-07-29T11:30:20Z
  audio: Motezuma, RV 723 / Sinfonia: Allegro
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 127.251
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.383
    additional property: Energy
      type: PropertyValue
      value: 0.165
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.862
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.087
    additional property: Liveness
      type: PropertyValue
      value: 0.201
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.306
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.292
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Motezuma, RV 723 / Sinfonia: Andante molto
  type: MusicRecording
  duration: PT2M23S
  duration ms: 143000
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Vivaldi: Motezuma, RV 723
    type: MusicAlbum
    date published: 2006-01-01
  popularity: 2
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: DEN960532202
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T17:16:59+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2f2ad365fbb6cc22bc44ee566805d2642f10ae7184726bace39ffe7ab834a12d
  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: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532202
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T19:35:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f2ad365fbb6cc22bc44ee566805d2642f10ae7184726bace39ffe7ab834a12d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532202 — a six-check JSON result.
    date published: 2026-07-29T19:35:34Z
  audio: Motezuma, RV 723 / Sinfonia: Andante molto
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.078
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.225
    additional property: Energy
      type: PropertyValue
      value: 0.015
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.791
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.013
    additional property: Liveness
      type: PropertyValue
      value: 0.116
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.104
    additional property: Loudness (dB)
      type: PropertyValue
      value: -29.485
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Motezuma, RV 723 / Act 2: Aria "Billeram per noi più belle"
  type: MusicRecording
  duration: PT4M39S
  duration ms: 279133
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Romina Basso
  by artist: Il Complesso Barocco
  by artist: Alan Curtis
  in album: Vivaldi: Motezuma, RV 723
    type: MusicAlbum
    date published: 2006-01-01
  popularity: 0
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: DEN960532224
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Motezuma, RV 723 / Act 2: Aria "Billeram per noi più belle"
track: Motezuma, RV 723 / Act 3: Aria "L'aquila generosa"
track: Motezuma, RV 723 / Act 1: Rec. acc. "Son vinto, eterni dei" - Rec. "Olà, che fai?" - "Padre t'ascondi"
track: Motezuma, RV 723 / Act 2: Aria "Qual rossor che' in volto miri"
track: Motezuma, RV 723 / Act 1: Aria "Gl'otraggi della sorte"
track: Motezuma, RV 723 / Act 2: Rec. "Fernando, il gran momento" - "E guerra avrai"
track: Motezuma, RV 723 / Act 1: Rec. "Oh comando! Oh dovere"
track: Motezuma, RV 723 / Act 2: Terzetto "A battaglia, a battaglia"
track: Motezuma, RV 723 / Act 1: Aria "La sull'eterna sponda"
track: Motezuma, RV 723 / Act 1: Rec.acc. "Che legge è questa mai" - Rec. "Ferma, Teutile" - "German!" / "Armi crudeli"
track: Motezuma, RV 723 / Act 1: Aria "Dallo sdegno che m'accende"
track: Motezuma, RV 723 / Act 1: Rec. "Mirarti appena ardisco"
track: Motezuma, RV 723 / Act 2: Aria "D'ira e furor armato"
track: Motezuma, RV 723 / Act 1: Aria "Barbaro, più non sento"
track: Motezuma, RV 723 / Act 2: Sinfonia per il combattimento
track: Motezuma, RV 723 / Act 1: Aria "Tace il labbro"
track: Motezuma, RV 723 / Act 1: Rec. "Numi, se ancor pietosi" - "Seguimi" / "Che ricerchi" - "Ramiro, il tempo questo"
track: Motezuma, RV 723 / Act 2: Aria "In mezzo alla procella"
track: Motezuma, RV 723 / Act 1: Rec. "Qual silenzio è mai questo?" - "German, signor" - "Olà con ogni pompa" - "Empio, ma pria morrai"
track: Motezuma, RV 723 / Act 2: Rec. "Vanne, crudel!" - "Fermati, il tuo destino" - "Principessa"
track: Motezuma, RV 723 / Act 1: Aria "I cenni d'un sovrano"
track: Motezuma, RV 723 / Act 2: Aria "Un guardo, oh dio!"
track: Motezuma, RV 723 / Act 1: Rec. "Confesso: non discerno ove son" - Rec.acc. "Ma non s'estingue"
track: Motezuma, RV 723 / Act 1: Aria "Se prescritta in questo giorno"
track: Motezuma, RV 723 / Act 2: Aria "La figlia, lo sposo m'affligge"
track: Motezuma, RV 723 / Act 1: Rec. acc. "Parte l'afflitto sposo"
track: Motezuma, RV 723 / Act 1: Aria "S'impugni la spada"
track: Motezuma, RV 723 / Act 1: Rec. "Non mi avvilisco ancor"

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-07T09:53:09+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x6d783483e963ae60ed9097283f67f60ee4b9e66d586562448490ba6a66a83802

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532224

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:20:19Z

Motezuma, RV 723 / Act 2: Aria "Billeram per noi più belle"
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Motezuma, RV 723 / Act 3: Aria "L'aquila generosa"
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duration: PT7M19S
duration ms: 439386
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by artist: Antonio Vivaldi
by artist: Maite Beaumont
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
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  date published: 2006-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Motezuma, RV 723 / Act 3: Aria "L'aquila generosa"
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Motezuma, RV 723 / Sinfonia: Allegro
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duration: PT1M3S
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by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 6
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:41:13Z
audio: Motezuma, RV 723 / Sinfonia: Allegro
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Motezuma, RV 723 / Act 1: Rec. acc. "Son vinto, eterni dei" - Rec. "Olà, che fai?" - "Padre t'ascondi"
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duration: PT4M12S
duration ms: 252000
explicit: false
by artist: Antonio Vivaldi
by artist: Vito Priante
by artist: Marijana Mijanovic
by artist: Roberta Invernizzi
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532204
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T15:42:38Z
audio: Motezuma, RV 723 / Act 1: Rec. acc. "Son vinto, eterni dei" - Rec. "Olà, che fai?" - "Padre t'ascondi"
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Motezuma, RV 723 / Act 2: Aria "Qual rossor che' in volto miri"
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duration: PT7M36S
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explicit: false
by artist: Antonio Vivaldi
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T17:29:52Z
audio: Motezuma, RV 723 / Act 2: Aria "Qual rossor che' in volto miri"
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Motezuma, RV 723 / Act 1: Aria "Gl'otraggi della sorte"
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duration: PT3M0S
duration ms: 180573
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by artist: Vito Priante
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
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  date published: 2006-01-01
popularity: 3
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532205
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T07:48:45Z
audio: Motezuma, RV 723 / Act 1: Aria "Gl'otraggi della sorte"
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Motezuma, RV 723 / Act 2: Rec. "Fernando, il gran momento" - "E guerra avrai"
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duration: PT8M39S
duration ms: 519320
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by artist: Marijana Mijanovic
by artist: Maite Beaumont
by artist: Vito Priante
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532227
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
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x320c07d4f791510af49732deb4d70f0dcd6e03db0a0eb16dace13dbf47fa6130. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532227 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Motezuma, RV 723 / Act 2: Rec. "Fernando, il gran momento" - "E guerra avrai"
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Motezuma, RV 723 / Act 1: Rec. "Oh comando! Oh dovere"
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duration ms: 136426
explicit: false
by artist: Antonio Vivaldi
by artist: Marijana Mijanovic
by artist: Roberta Invernizzi
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532206
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:12:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7cfe9aaf8d2caf355dba6fb433e3bb407e78bc28d8854749f38841f478b0523b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532206
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfe9aaf8d2caf355dba6fb433e3bb407e78bc28d8854749f38841f478b0523b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532206 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Motezuma, RV 723 / Act 1: Rec. "Oh comando! Oh dovere"
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 131.043
  additional property: Musical Key
    type: PropertyValue
    value: 6
  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: 0.567
  additional property: Energy
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    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.154
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.222
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.178
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 2: Terzetto "A battaglia, a battaglia"
type: MusicRecording
duration: PT4M30S
duration ms: 270813
explicit: false
by artist: Antonio Vivaldi
by artist: Vito Priante
by artist: Maite Beaumont
by artist: Marijana Mijanovic
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532228
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:32:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x13937779c690e9d9c7228dd365d81eb21620022631492957c4ccaff086f0a791
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/DEN960532228
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13937779c690e9d9c7228dd365d81eb21620022631492957c4ccaff086f0a791. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532228 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 2: Terzetto "A battaglia, a battaglia"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.875
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.576
  additional property: Energy
    type: PropertyValue
    value: 0.392
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.915
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.315
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.575
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.123
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "La sull'eterna sponda"
type: MusicRecording
duration: PT6M16S
duration ms: 376546
explicit: false
by artist: Antonio Vivaldi
by artist: Marijana Mijanovic
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532207
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T04:51:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1bf28f3c143d0653103d1ca7efb3e7ead3c1cbbdc5ea781945c9c55e87a8898e
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: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532207
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T05:17:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bf28f3c143d0653103d1ca7efb3e7ead3c1cbbdc5ea781945c9c55e87a8898e. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532207 — a six-check JSON result.
  date published: 2026-07-31T05:17:02Z
audio: Motezuma, RV 723 / Act 1: Aria "La sull'eterna sponda"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.268
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.368
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.052
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.955
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 1: Rec.acc. "Che legge è questa mai" - Rec. "Ferma, Teutile" - "German!" / "Armi crudeli"
type: MusicRecording
duration: PT3M4S
duration ms: 184453
explicit: false
by artist: Antonio Vivaldi
by artist: Roberta Invernizzi
by artist: Maite Beaumont
by artist: Vito Priante
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532208
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T16:50:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3fbad55b7882d960fd137eb19c911a5af2997be248da9034779575ac2bd671d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960441
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960441
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532208
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T17:29:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3fbad55b7882d960fd137eb19c911a5af2997be248da9034779575ac2bd671d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532208 — a six-check JSON result.
  date published: 2026-07-31T17:29:52Z
audio: Motezuma, RV 723 / Act 1: Rec.acc. "Che legge è questa mai" - Rec. "Ferma, Teutile" - "German!" / "Armi crudeli"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.916
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.17
  additional property: Speechiness
    type: PropertyValue
    value: 0.073
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.356
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.104
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.873
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "Dallo sdegno che m'accende"
type: MusicRecording
duration: PT3M47S
duration ms: 227000
explicit: false
by artist: Antonio Vivaldi
by artist: Maite Beaumont
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:16:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x47e59be5283fec637820cf23499aed8d37cef353b0e34481f6339dc35319af63
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960360
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:42:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47e59be5283fec637820cf23499aed8d37cef353b0e34481f6339dc35319af63. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532209 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Motezuma, RV 723 / Act 1: Aria "Dallo sdegno che m'accende"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.006
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.262
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.205
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.756
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.843
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Rec. "Mirarti appena ardisco"
type: MusicRecording
duration: PT1M51S
duration ms: 111000
explicit: false
by artist: Antonio Vivaldi
by artist: Roberta Invernizzi
by artist: Romina Basso
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:04:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9dc13a5f19846ed351491f8ad8015d08e6ad25d26a5a81b2eb91fa5a55e5abde
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/DEN960532210
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9dc13a5f19846ed351491f8ad8015d08e6ad25d26a5a81b2eb91fa5a55e5abde. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532210 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 1: Rec. "Mirarti appena ardisco"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.534
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.075
  additional property: Acousticness
    type: PropertyValue
    value: 0.941
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.635
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.432
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.791
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 2: Aria "D'ira e furor armato"
type: MusicRecording
duration: PT4M3S
duration ms: 243133
explicit: false
by artist: Antonio Vivaldi
by artist: Inga Kalna
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T02:09:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4015b9baea2edac75ca49244047b0d027654b1cf607e9bc4eda837c26c941dca
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:13:03Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4015b9baea2edac75ca49244047b0d027654b1cf607e9bc4eda837c26c941dca. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532232 — a six-check JSON result.
  date published: 2026-08-01T03:13:03Z
audio: Motezuma, RV 723 / Act 2: Aria "D'ira e furor armato"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.197
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.556
  additional property: Energy
    type: PropertyValue
    value: 0.37
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.778
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.73
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "Barbaro, più non sento"
type: MusicRecording
duration: PT4M34S
duration ms: 274000
explicit: false
by artist: Antonio Vivaldi
by artist: Roberta Invernizzi
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532211
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T20:22:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3a9d98c94235494c0f90d32253377a34f83a3b8f021e0735e577c3c01d56acdb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960309
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960309
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532211
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T20:35:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3a9d98c94235494c0f90d32253377a34f83a3b8f021e0735e577c3c01d56acdb. Chain 2 (Bitcoin): anchored in block 960309 (2026-07-30T20:35:49Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532211 — a six-check JSON result.
  date published: 2026-07-30T20:35:49Z
audio: Motezuma, RV 723 / Act 1: Aria "Barbaro, più non sento"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.068
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.393
  additional property: Energy
    type: PropertyValue
    value: 0.155
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.44
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.094
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.715
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 2: Sinfonia per il combattimento
type: MusicRecording
duration: PT0M42S
duration ms: 42333
explicit: false
by artist: Antonio Vivaldi
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 2
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:48:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0dca34c65ea55735cdc330dae98fbc13ca40f9927a2dc7919d451b7a592f118d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960456
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960456
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532234
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0dca34c65ea55735cdc330dae98fbc13ca40f9927a2dc7919d451b7a592f118d. Chain 2 (Bitcoin): anchored in block 960456 (2026-07-31T19:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532234 — a six-check JSON result.
  date published: 2026-07-31T19:53:57Z
audio: Motezuma, RV 723 / Act 2: Sinfonia per il combattimento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.44
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.571
  additional property: Energy
    type: PropertyValue
    value: 0.317
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.531
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.815
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.624
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.224
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "Tace il labbro"
type: MusicRecording
duration: PT5M42S
duration ms: 342733
explicit: false
by artist: Antonio Vivaldi
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:48:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6300525cc4f8ba3031f7f4aa71523c28a2fc5b9f544442964b5c04661b051e5
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/DEN960532213
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6300525cc4f8ba3031f7f4aa71523c28a2fc5b9f544442964b5c04661b051e5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532213 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 1: Aria "Tace il labbro"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.511
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.422
  additional property: Energy
    type: PropertyValue
    value: 0.211
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.13
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.343
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.17
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 1: Rec. "Numi, se ancor pietosi" - "Seguimi" / "Che ricerchi" - "Ramiro, il tempo questo"
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Antonio Vivaldi
by artist: Vito Priante
by artist: Roberta Invernizzi
by artist: Romina Basso
by artist: Maite Beaumont
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T18:41:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10ac5163ecd8d7ea6b90b6c8602bb7c81a922d7c313b9fb985107e26898ca2eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957122
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957122
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:39:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10ac5163ecd8d7ea6b90b6c8602bb7c81a922d7c313b9fb985107e26898ca2eb. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532214 — a six-check JSON result.
  date published: 2026-07-08T03:39:04Z
audio: Motezuma, RV 723 / Act 1: Rec. "Numi, se ancor pietosi" - "Seguimi" / "Che ricerchi" - "Ramiro, il tempo questo"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.817
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.442
  additional property: Energy
    type: PropertyValue
    value: 0.144
  additional property: Speechiness
    type: PropertyValue
    value: 0.183
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.175
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.79
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 2: Aria "In mezzo alla procella"
type: MusicRecording
duration: PT4M0S
duration ms: 240173
explicit: false
by artist: Antonio Vivaldi
by artist: Romina Basso
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:35:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25788de8d86a6bd62a46ccd7fc55eedfa13b68bc81c78efa63b6ed978bb44525
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/DEN960532236
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25788de8d86a6bd62a46ccd7fc55eedfa13b68bc81c78efa63b6ed978bb44525. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532236 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 2: Aria "In mezzo alla procella"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.478
  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: 0.485
  additional property: Energy
    type: PropertyValue
    value: 0.274
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.93
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.374
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.738
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.452
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Rec. "Qual silenzio è mai questo?" - "German, signor" - "Olà con ogni pompa" - "Empio, ma pria morrai"
type: MusicRecording
duration: PT7M38S
duration ms: 458613
explicit: false
by artist: Antonio Vivaldi
by artist: Maite Beaumont
by artist: Roberta Invernizzi
by artist: Romina Basso
by artist: Vito Priante
by artist: Marijana Mijanovic
by artist: Inga Kalna
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532215
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T10:14:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9ebe1f07f194dc13d26ccf5bd2713a828f8118c317d2f7408458b19f1504debd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960389
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960389
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532215
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T10:20:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9ebe1f07f194dc13d26ccf5bd2713a828f8118c317d2f7408458b19f1504debd. Chain 2 (Bitcoin): anchored in block 960389 (2026-07-31T10:20:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532215 — a six-check JSON result.
  date published: 2026-07-31T10:20:10Z
audio: Motezuma, RV 723 / Act 1: Rec. "Qual silenzio è mai questo?" - "German, signor" - "Olà con ogni pompa" - "Empio, ma pria morrai"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.838
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.533
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.139
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.33
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.792
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 2: Rec. "Vanne, crudel!" - "Fermati, il tuo destino" - "Principessa"
type: MusicRecording
duration: PT5M10S
duration ms: 310493
explicit: false
by artist: Antonio Vivaldi
by artist: Roberta Invernizzi
by artist: Marijana Mijanovic
by artist: Inga Kalna
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532237
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T00:00:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb5d7bf93ba9a1e63255c45597c8bd5f7a9e7053322f0e750e865a9f2bf42fe4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960485
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960485
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532237
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T00:10:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb5d7bf93ba9a1e63255c45597c8bd5f7a9e7053322f0e750e865a9f2bf42fe4e. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532237 — a six-check JSON result.
  date published: 2026-08-01T00:10:46Z
audio: Motezuma, RV 723 / Act 2: Rec. "Vanne, crudel!" - "Fermati, il tuo destino" - "Principessa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.63
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.547
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.143
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.198
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.288
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "I cenni d'un sovrano"
type: MusicRecording
duration: PT3M50S
duration ms: 230386
explicit: false
by artist: Antonio Vivaldi
by artist: Maite Beaumont
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532216
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:18:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6580cc20b6bacef60b524ed12f503ad9d0915cac57d82632711571f8d90b004
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/DEN960532216
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6580cc20b6bacef60b524ed12f503ad9d0915cac57d82632711571f8d90b004. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532216 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 1: Aria "I cenni d'un sovrano"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.424
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.508
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.892
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.17
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.525
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.229
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 2: Aria "Un guardo, oh dio!"
type: MusicRecording
duration: PT5M3S
duration ms: 303293
explicit: false
by artist: Antonio Vivaldi
by artist: Roberta Invernizzi
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532238
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T17:33:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x097c4fd624b5e99160f99238016f4ef2261302d775cff3e3221b9c2feef6c09b
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/DEN960532238
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x097c4fd624b5e99160f99238016f4ef2261302d775cff3e3221b9c2feef6c09b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532238 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Motezuma, RV 723 / Act 2: Aria "Un guardo, oh dio!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.924
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.461
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.654
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Rec. "Confesso: non discerno ove son" - Rec.acc. "Ma non s'estingue"
type: MusicRecording
duration: PT1M14S
duration ms: 74213
explicit: false
by artist: Antonio Vivaldi
by artist: Vito Priante
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532217
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:20:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd266fd7e6dbf7ef8ce3bf8daa5f4608d48f6fec906c65f6ee51686cb6e3d68ec
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532217
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd266fd7e6dbf7ef8ce3bf8daa5f4608d48f6fec906c65f6ee51686cb6e3d68ec. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532217 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: Motezuma, RV 723 / Act 1: Rec. "Confesso: non discerno ove son" - Rec.acc. "Ma non s'estingue"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.38
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.443
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.122
  additional property: Acousticness
    type: PropertyValue
    value: 0.945
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.242
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.805
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 1: Aria "Se prescritta in questo giorno"
type: MusicRecording
duration: PT5M10S
duration ms: 310786
explicit: false
by artist: Antonio Vivaldi
by artist: Vito Priante
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:41:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81cbc20c4b31a3b91f5c25ae4e38e4a5dad7742126bcf538f319263682a29ec5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81cbc20c4b31a3b91f5c25ae4e38e4a5dad7742126bcf538f319263682a29ec5. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532218 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Motezuma, RV 723 / Act 1: Aria "Se prescritta in questo giorno"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.419
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.348
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.937
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.147
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.257
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.722
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Motezuma, RV 723 / Act 2: Aria "La figlia, lo sposo m'affligge"
type: MusicRecording
duration: PT3M47S
duration ms: 227573
explicit: false
by artist: Antonio Vivaldi
by artist: Marijana Mijanovic
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532240
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:19:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f491d3abc8ef4377f04be3c67dc2848c9814d5c070c058bd5c2a240cd4e13d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532240
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f491d3abc8ef4377f04be3c67dc2848c9814d5c070c058bd5c2a240cd4e13d1. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532240 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Motezuma, RV 723 / Act 2: Aria "La figlia, lo sposo m'affligge"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.519
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.534
  additional property: Energy
    type: PropertyValue
    value: 0.26
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.525
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.223
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Motezuma, RV 723 / Act 1: Rec. acc. "Parte l'afflitto sposo"
type: MusicRecording
duration: PT0M55S
duration ms: 55226
explicit: false
by artist: Antonio Vivaldi
by artist: Marijana Mijanovic
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532219
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T18:50:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x232ce74e5ea690b613bc069b977ac8a678e3e05e2a58e9b58a91bd6cb1e7dffd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532219
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x232ce74e5ea690b613bc069b977ac8a678e3e05e2a58e9b58a91bd6cb1e7dffd. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532219 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Motezuma, RV 723 / Act 1: Rec. acc. "Parte l'afflitto sposo"
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  additional property: Musical Key
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.208
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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Motezuma, RV 723 / Act 1: Aria "S'impugni la spada"
type: MusicRecording
duration: PT5M26S
duration ms: 326933
explicit: false
by artist: Antonio Vivaldi
by artist: Marijana Mijanovic
by artist: Il Complesso Barocco
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 1
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532220
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:22:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8bb015bf8fa407d395a7887a6958a805a6fc9aa2c6a9ac14fc7ffbc35a514395
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532220
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bb015bf8fa407d395a7887a6958a805a6fc9aa2c6a9ac14fc7ffbc35a514395. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532220 — a six-check JSON result.
  date published: 2026-07-30T15:42:38Z
audio: Motezuma, RV 723 / Act 1: Aria "S'impugni la spada"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.506
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.471
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.218
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Motezuma, RV 723 / Act 1: Rec. "Non mi avvilisco ancor"
type: MusicRecording
duration: PT0M46S
duration ms: 46240
explicit: false
by artist: Antonio Vivaldi
by artist: Inga Kalna
by artist: Alan Curtis
in album: Vivaldi: Motezuma, RV 723
  type: MusicAlbum
  date published: 2006-01-01
popularity: 0
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: DEN960532221
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:33:55+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x763063fccd15726f20b748fa5c2e186ecd15d4ff3acb88d3e9a979ab13574470
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960410
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960410
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532221
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x763063fccd15726f20b748fa5c2e186ecd15d4ff3acb88d3e9a979ab13574470. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960532221 — a six-check JSON result.
  date published: 2026-07-31T13:50:38Z
audio: Motezuma, RV 723 / Act 1: Rec. "Non mi avvilisco ancor"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.864
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.11
  additional property: Speechiness
    type: PropertyValue
    value: 0.295
  additional property: Acousticness
    type: PropertyValue
    value: 0.927
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.285
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.794
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Ercole sur Termodonte, RV 710
type: MusicAlbum
date published: 2010-11-26
track: Vivaldi: Ercole sul Termodonte, RV 710: Sinfonia
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263360
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Europa Galante
  by artist: Fabio Biondi
  in album: Vivaldi: Ercole sur Termodonte, RV 710
    type: MusicAlbum
    date published: 2010-11-26
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBAYC1002091
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T05:21:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc2226525f8804042986a58f90f10acec7cea3b5cdddd2b1b52b74bbc333ecf9b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960212
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960212
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002091
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-30T05:43:45Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2226525f8804042986a58f90f10acec7cea3b5cdddd2b1b52b74bbc333ecf9b. Chain 2 (Bitcoin): anchored in block 960212 (2026-07-30T05:43:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002091 — a six-check JSON result.
    date published: 2026-07-30T05:43:45Z
  audio: Vivaldi: Ercole sul Termodonte, RV 710: Sinfonia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.49
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.336
    additional property: Energy
      type: PropertyValue
      value: 0.235
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.905
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.744
    additional property: Liveness
      type: PropertyValue
      value: 0.295
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.368
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.212
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Coro. "Oh figlia di Giove" (Coro)
  type: MusicRecording
  duration: PT1M12S
  duration ms: 72400
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Fabio Biondi
  by artist: Corale Santa Cecilia di Borgo San Lorenzo
  by artist: Europa Galante
  in album: Vivaldi: Ercole sur Termodonte, RV 710
    type: MusicAlbum
    date published: 2010-11-26
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBAYC1002095
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T13:30:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xaf25af65763607b023a34c9f203dc59da0d552420263091821595aa1ece44c31
  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/GBAYC1002095
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf25af65763607b023a34c9f203dc59da0d552420263091821595aa1ece44c31. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002095 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
  audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Coro. "Oh figlia di Giove" (Coro)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.987
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.496
    additional property: Energy
      type: PropertyValue
      value: 0.423
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.96
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.338
    additional property: Liveness
      type: PropertyValue
      value: 0.246
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.794
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.214
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Dea di Delo" (Antiope)
  type: MusicRecording
  duration: PT0M56S
  duration ms: 56333
  explicit: false
  by artist: Antonio Vivaldi
  by artist: Fabio Biondi
  by artist: Europa Galante
  by artist: Vivica Genaux
  in album: Vivaldi: Ercole sur Termodonte, RV 710
    type: MusicAlbum
    date published: 2010-11-26
  genre: classical
  genre: early-music
  genre: baroque
  genre: concerto
  isrc code: GBAYC1002096
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Dea di Delo" (Antiope)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: A due. "Sereno il cielo" (Antiope, Martesia)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Con aspetto lusinghiero" (Antiope)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Recitativo. "Mostro di tal natura" (Martesia)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Vedrà l'empia" (Ercole)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Quella beltà" (Alceste)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Occhio, che il sol rimira" (Teseo)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Non saria pena la mia" (Ippolita)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Sento con qual diletto" (Alceste)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia. Abbatimento sul ponte
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Onde chiare che sussurrate" (Ippolita)
track: Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Bel piacer ch'è la vendetta" (Antiope)

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-31T13:15:14+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x562cee233e9e4870b692b5ca375f10b6d37fa0f6096b7aabf082aabfa08715ba

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 960419

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960419

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002096

OTSTimestamp
type: PropertyValue
value: 2026-07-31T15:20:33Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x562cee233e9e4870b692b5ca375f10b6d37fa0f6096b7aabf082aabfa08715ba. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002096 — a six-check JSON result.
date published: 2026-07-31T15:20:33Z

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Dea di Delo" (Antiope)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 174.63
additional property: Musical Key
  type: PropertyValue
  value: 4
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: 0.332
additional property: Energy
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  value: 0.285
additional property: Speechiness
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  value: 0.047
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.182
additional property: Liveness
  type: PropertyValue
  value: 0.203
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.762
additional property: Loudness (dB)
  type: PropertyValue
  value: -16.527
additional property: Key Name
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  value: E
additional property: Mode Name
  type: PropertyValue
  value: Major

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: A due. "Sereno il cielo" (Antiope, Martesia)
type: MusicRecording
duration: PT0M40S
duration ms: 40133
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Diana Damrau
by artist: Europa Galante
by artist: Vivica Genaux
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:02:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x60b756297ebee4b54b966d2c7a8f0738e8c9865ad9744b7be3f8af59a0f9afb4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002098
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x60b756297ebee4b54b966d2c7a8f0738e8c9865ad9744b7be3f8af59a0f9afb4. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002098 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: A due. "Sereno il cielo" (Antiope, Martesia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.345
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.232
  additional property: Speechiness
    type: PropertyValue
    value: 0.08
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.179
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.666
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.292
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Con aspetto lusinghiero" (Antiope)
type: MusicRecording
duration: PT3M29S
duration ms: 209426
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Vivica Genaux
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:51:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88752fc3389178e232a1d5e69fc228dab4c53a7a679707aba8aab772099dfece
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/GBAYC1002101
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88752fc3389178e232a1d5e69fc228dab4c53a7a679707aba8aab772099dfece. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002101 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Con aspetto lusinghiero" (Antiope)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.373
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.612
  additional property: Energy
    type: PropertyValue
    value: 0.319
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.56
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.631
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Recitativo. "Mostro di tal natura" (Martesia)
type: MusicRecording
duration: PT0M34S
duration ms: 34173
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Diana Damrau
by artist: Europa Galante
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T19:01:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b7a285b531e9c07b5680a6d050878d8f91c1c64bd7c727deb1f7a111a9ba12c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960455
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960455
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T19:53:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b7a285b531e9c07b5680a6d050878d8f91c1c64bd7c727deb1f7a111a9ba12c. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002103 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Recitativo. "Mostro di tal natura" (Martesia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.052
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.414
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.232
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.239
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.16
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.274
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia
type: MusicRecording
duration: PT1M10S
duration ms: 70706
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:48:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaf9e513f6b5e26e4731d691ae114026c894fa0c6042df186336e4c3208ca4f15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf9e513f6b5e26e4731d691ae114026c894fa0c6042df186336e4c3208ca4f15. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002105 — a six-check JSON result.
  date published: 2026-07-31T12:24:41Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.232
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.509
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.917
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.92
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.623
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.033
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Vedrà l'empia" (Ercole)
type: MusicRecording
duration: PT2M48S
duration ms: 168800
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Rolando Villazón
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T08:21:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6dc3df7f46a82dfefdb899637dfc1512a97e6b92c9282caf0df454c0d715e968
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960370
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960370
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:38:45Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dc3df7f46a82dfefdb899637dfc1512a97e6b92c9282caf0df454c0d715e968. Chain 2 (Bitcoin): anchored in block 960370 (2026-07-31T08:38:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002108 — a six-check JSON result.
  date published: 2026-07-31T08:38:45Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Vedrà l'empia" (Ercole)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.356
  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: 0.685
  additional property: Energy
    type: PropertyValue
    value: 0.399
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.663
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.964
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.853
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Quella beltà" (Alceste)
type: MusicRecording
duration: PT2M10S
duration ms: 130333
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Philippe Jaroussky
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T14:50:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe224dbbcf12d35c8e420cef3e8d77254dc75f82a02cfd833c2215ee38c0961b5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe224dbbcf12d35c8e420cef3e8d77254dc75f82a02cfd833c2215ee38c0961b5. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002110 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Quella beltà" (Alceste)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.136
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.354
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.953
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.434
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Occhio, che il sol rimira" (Teseo)
type: MusicRecording
duration: PT5M22S
duration ms: 322826
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Romina Basso
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002115
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:06:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc3183e0056eb4484d4cf8b471b2394e30a45bb40ba2e7275c66bc670bf96f7a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002115
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-31T15:20:15Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Occhio, che il sol rimira" (Teseo)
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Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Non saria pena la mia" (Ippolita)
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duration: PT2M31S
duration ms: 151773
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Joyce DiDonato
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002122
additional property: CopyrightID
additional property: CopyrightStatus
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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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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002122
additional property: OTSTimestamp
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  value: 2026-07-31T09:09:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T09:09:19Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Non saria pena la mia" (Ippolita)
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Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Sento con qual diletto" (Alceste)
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duration: PT3M35S
duration ms: 215400
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Philippe Jaroussky
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002128
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T13:04:34Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Aria. "Sento con qual diletto" (Alceste)
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Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia. Abbatimento sul ponte
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duration: PT1M49S
duration ms: 109840
explicit: false
by artist: Antonio Vivaldi
by artist: Europa Galante
by artist: Fabio Biondi
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 1: Sinfonia. Abbatimento sul ponte
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Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Onde chiare che sussurrate" (Ippolita)
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duration: PT5M24S
duration ms: 324200
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Joyce DiDonato
in album: Vivaldi: Ercole sur Termodonte, RV 710
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  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-31T02:19:15Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Onde chiare che sussurrate" (Ippolita)
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Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Bel piacer ch'è la vendetta" (Antiope)
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duration: PT4M24S
duration ms: 264466
explicit: false
by artist: Antonio Vivaldi
by artist: Fabio Biondi
by artist: Europa Galante
by artist: Vivica Genaux
in album: Vivaldi: Ercole sur Termodonte, RV 710
  type: MusicAlbum
  date published: 2010-11-26
genre: classical
genre: early-music
genre: baroque
genre: concerto
isrc code: GBAYC1002136
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdeb7d4af090bda55cc54cf4381f1a241267b5a0a8eb39e86b2324a95354ca4ff. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002136 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Vivaldi: Ercole sul Termodonte, RV 710, Act 2: Aria. "Bel piacer ch'è la vendetta" (Antiope)
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  additional property: Mode (Major/Minor)
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Salterio italiano
type: MusicAlbum
date published: 2018-07-20
track: Psaltery Sonata: II. Andante
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  by artist: Il Dolce Conforto
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa82aa38ec99bebe348109161364f452fd235860ba8d2e804e28d4dcb175ea31d. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB901800802 — a six-check JSON result.
    date published: 2026-07-31T12:24:41Z
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    additional property: Danceability
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    additional property: Loudness (dB)
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track: Psaltery Sonata: III. Allegro con spirito
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  by artist: Il Dolce Conforto
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68df40dc6898c07647dafebbf28dd7e3ea9bdabea11ef3ab166e7b4d74ac062d. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEB901800803 — a six-check JSON result.
    date published: 2026-07-08T03:22:41Z
  audio: Psaltery Sonata: III. Allegro con spirito
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Voces de sefarad: Four Centuries of Spanish and Sephardic Songs
type: MusicAlbum
date published: 2016-02-01
track: Triste estaba el rey David
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  duration: PT4M13S
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  by artist: Alonso Mudarra
  by artist: Turkish Ensemble
  by artist: Romina Basso
  by artist: Alberto Mesirca
  by artist: Fahrettin Yarkin
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    date published: 2016-02-01
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331600289
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77246846889e2a32cb346bbfe741080ec9e308a1f84f00ef55890b5a3be4e654. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLY331600289 — a six-check JSON result.
    date published: 2026-07-31T15:20:15Z
  audio: Triste estaba el rey David
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Lamento
type: MusicAlbum
date published: 2014-06-15
track: Libro primo d'Intavolatura di Chitarrone: Toccata seconda arpeggiata - Lamento della regina di svezia
  type: MusicRecording
  duration: PT13M32S
  duration ms: 812600
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  by artist: Luigi Rossi
  by artist: Giovanni Girolamo Kapsberger
  by artist: Romina Basso
  by artist: Latinitas Nostra
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    type: MusicAlbum
    date published: 2014-06-15
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb974f34f7411ae548868916d0d03e9cb28473f8e2178e9169a282d8ffd16eec8. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ131404010 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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    additional property: Tempo (BPM)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: 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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    additional property: Key Name
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track: Lamento in morte di maria stuarda
  type: MusicRecording
  duration: PT11M28S
  duration ms: 688533
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  by artist: Giacomo Carissimi
  by artist: Romina Basso
  by artist: Latinitas Nostra
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    type: MusicAlbum
    date published: 2014-06-15
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-31T18:48:12Z
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    additional property: Valence (Positivity)
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Zanetto : Opera completa
type: MusicAlbum
date published: 2011-03-10

Dorilla in Tempe
type: MusicAlbum
date published: 2017-11-14

Classical Christmas
type: MusicAlbum
date published: 2017-11-24
track: 6 Cello Suites, No. 1 in G Major, BWV 1007: I. Prélude
  type: MusicRecording
  duration: PT2M17S
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  by artist: Johann Sebastian Bach
  by artist: Anne Gastinel
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    date published: 2017-11-24
  popularity: 2
  genre: classical
  genre: classical-piano
  genre: early-music
  genre: baroque
  genre: chamber-music
  genre: concerto
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-31T00:26:26Z
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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Veracini: Adriano in Siria
type: MusicAlbum
date published: 2016-07-29
track: Adriano in Siria, Act I: Act I: Overture
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  duration: PT3M49S
  duration ms: 229520
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  by artist: Europa Galante
  by artist: Fabio Biondi
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    type: MusicAlbum
    date published: 2016-07-29
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x340ce85272155615b19c6f326e9e72796250fb0a7292bbc044aaa057c02d593c. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEQG41409490 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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    additional property: Time Signature
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    additional property: Danceability
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T08:38:45Z
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    date published: 2026-06-13T13:32:09Z
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