Victor de Sabata
type: MusicGroup
genre: opera
description: thumb|Victor Alberto Sabata, 1950 Victor Alberto de Sabata (10 April 1892 – 11 December 1967) was an Italian conductor and composer. He is widely recognized as one of the most distinguished operatic
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album: Great Wagner Conductors
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  date published: 2013-01-01
album: Igor Stravinsky, Vol. 3 (1930-1950)
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  date published: 2013-01-01
album: Vocal Recital: Schwarzkopf, Elisabeth - Verdi, G. / Loewe, C. / Weber, C.M. Von / Mozart, W.A. / Bach, J.S. / Handel, G.F. / Beethoven, L. Van
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  date published: 2004-01-01
album: Puccini: Tosca
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  track: Puccini: Tosca, Act 1: "Gente là dentro!" (Cavaradossi, Angelotti, Tosca)
  track: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
  track: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
  track: Puccini: Tosca, Act 1: "È buona la mia Tosca" (Cavaradossi, Angelotti)
  track: Puccini: Tosca, Act 1: "Il cannon del castello!" (Cavaradossi, Angelotti, Sagrestano, Coro)
  track: Puccini: Tosca, Act 1: "Un tal baccano in chiesa!" (Scarpia, Sagrestano, Spoletta)
  track: Puccini: Tosca, Act 1: "Tutto è chiaro" - "Tosca? Che non mi veda" - "Mario! Mario!" (Scarpia, Tosca, Sagrestano)
  track: Puccini: Tosca, Act 1: "Ed io venivo a lui tutta dogliosa" (Tosca, Scarpia)
  track: Puccini: Tosca, Act 1: "Tre sbirri, una carrozza" (Scarpia, Spoletta, Coro)
  track: Puccini: Tosca, Act 2: "Tosca è un buon falco!" (Scarpia, Sciarrone)
  track: Puccini: Tosca, Act 2: "Ha più forte" (Scarpia, Sciarrone, Spoletta)
  track: Puccini: Tosca, Act 2: "Meno male!" (Scarpia, Spoletta, Coro, Cavaradossi, Tosca)
  track: Puccini: Tosca, Act 2: "Dov'è dunque Angelotti?" (Scarpia, Cavaradossi, Spoletta, Tosca)
  track: Puccini: Tosca, Act 2: "Ed or fra noi parliam da buoni amici" - "Sciarrone, che dice il Cavalier?" (Scarpia, Tosca, Sciarrone, Cavaradossi)
  track: Puccini: Tosca, Act 2: "Orsù, Tosca, parlate" (Scarpia, Tosca, Cavaradossi)
  track: Puccini: Tosca, Act 2: "Nel pozzo... nel giardino" (Scarpia, Sciarrone, Tosca, Cavaradossi)
  track: Puccini: Tosca, Act 2: "Se la giurata fede debbo tradir" (Scarpia, Tosca)
  track: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
  track: Puccini: Tosca, Act 2: "Vedi, le man giunte io stendo a te!" (Tosca, Scarpia, Spoletta)
  track: Puccini: Tosca, Act 2: "E qual via scegliete?" (Scarpia, Tosca)
  track: Puccini: Tosca, Act 2: "È morto! Or gli perdono" (Tosca)
  track: Puccini: Tosca, Act 3: "Io de' sospiri" (Voce del pastore)
  track: Puccini: Tosca, Act 3: "Mario Cavaradossi? A voi" (Carceriere, Cavaradossi)
  track: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
  track: Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
  track: Puccini: Tosca, Act 3: "O dolci mani mansuete e pure" (Cavaradossi, Tosca)
  track: Puccini: Tosca, Act 3: "Amaro sol per te m'era morire" (Cavaradossi, Tosca)
  track: Puccini: Tosca, Act 3: "E non giungono" (Tosca, Cavaradossi, Carceriere)
  track: Puccini: Tosca, Act 3: "Com'è lunga l'attesa!" (Tosca)
  track: Puccini: Tosca, Act 3: "Presto! Su, Mario! Mario! Su! Presto! Andiam!" (Tosca, Voci, Sciarrone, Spoletta)
album: Giacomo Puccini: Tosca (Maria Callas, Vol. 3)
album: Wagner: Tristan und Isolde (Live)
album: Verdi: Macbeth (Live)
album: Verdi: Falstaff / Otello / Aida (1938-1952)
album: Verdi: Messa da Requiem
album: Rossini: Il barbiere di Siviglia (Live)
album: Wagner: Die Meistersinger, Götterdämmerung, Parsifal, Tristan Und Isolde
album: Brahms: Violin Concerto in D Major, Op. 77 - Schumann: Piano Concerto in A Minor, Op. 54 (Live)
album: Conductor's Gallery, Vol. 6: Victor de Sabata
album: Victor de Sabata the 20th Century Repertoire
album: Nathan Milstein with Markevitch and Sabata in Concert
album: Brahms- Symphony No. 4 in E minor op. 98
album: Brahms- Symphony No. 4 in E minor op. 98/Kodály- Dances of Galánta
album: Victor de Sabata – Recordings On Deutsche Grammophon And Decca
album: Germaine Lubin in Her Finest Recordings
album: Beethoven: Symphonies Nos. 3, 5, 6 & 8
album: Recital (1951-1957)
album: Puccini: La bohème
album: Brahms: Concerto for Violin and Orchestra, Op. 77 & Beethoven: Symphony No. 5, Op. 67
album: Giacomo Puccini, Vol. 2 (1953)
album: Wolfgang Amadeus Mozart, Vol. 3 (1939)
album: Liszt, F.: Piano Concerto No. 2 / Schumann, R.: Piano Concerto / Weber, C.M. Von: Konzertstuck (Arrau) (1943, 1947, 1951)
album: Opera at La Scala (1903-1930)
album: Tosca por Maria Callas (Giacomo Puccini)
album: Mario Del Monaco: Selections of Giordano, Saint-Saëns, Riccardo Zandonai
album: Felix Mendelssohn, Bartholdy: Violin Concerto In E minor, Op. 64 - Johannes Brahms: Violin Concerto In D Major, Op. 77
album: Hector Berlioz: Masters of Music, Vol. 12
album: Wolfgang Amadeus Mozart
album: Victor de Sabata & Dimitri Mitropoulos
album: Victor de sabata: Composizioni per pianoforte
album: Mozart: Requiem in D Minor (Tassinari, Tagliavini, De Sabata) (1941)
album: Verdi: Messa Da Requiem (Schwarzkopf, Di Stefano, De Sabata) (1954)
album: VERDI: MACBETH
album: Verdi: Requiem & I Vespri Siciliani - Franck: Symphony in D Minor - Dukas: The Sorcerer's Apprentice
album: Puccini: Tosca (Callas, Di Stefano) (1953)
album: Mozart: Requiem
album: Verdi, G.: Overture To I Vespri Siciliani / Berlioz, H.: Le Carnaval Romain / Strauss, R.: Tod Und Verklarung (Vienna Philharmonic, De Sabata) (1953)
album: Beethoven: Symphony No. 6 (De Sabata) (1947)
album: A To Z Of Conductors
track: Tosca / Act 2: "Vissi d'arte, vissi d'amore" - digitally remastered
track: Tosca, Act II: "Vissi d'arte" (Tosca)
track: Tosca, Act III: E lucevan le stelle
track: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)

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Puccini: Tosca, Act 1: "Gente là dentro!" (Cavaradossi, Angelotti, Tosca)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
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  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 0x88d2887ca6469034113db80bb7b5feb5db7e983b17ef5ec592e75b2636699f99. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450089 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.495
  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: 0.261
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.342
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.482
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
type: MusicRecording
duration: PT5M9S
duration ms: 309213
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T14:03:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69370d9c9fb5fcce097a1a066938b198ffbfe7bf23129ef2c2bc27c0be993f88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x69370d9c9fb5fcce097a1a066938b198ffbfe7bf23129ef2c2bc27c0be993f88. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450090 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.135
  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: 0.247
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.123
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.251
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 1: "È buona la mia Tosca" (Cavaradossi, Angelotti)
type: MusicRecording
duration: PT3M8S
duration ms: 188613
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Franco Calabrese
by artist: Giuseppe Di Stefano
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301604
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T00:04:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd1d8458891e3264e7d9f20e05c327aac393d96dc6b25f463b89271525375565d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301604
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd1d8458891e3264e7d9f20e05c327aac393d96dc6b25f463b89271525375565d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301604 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "È buona la mia Tosca" (Cavaradossi, Angelotti)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.018
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.346
  additional property: Energy
    type: PropertyValue
    value: 0.189
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.974
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.015
  additional property: Liveness
    type: PropertyValue
    value: 0.389
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.143
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 1: "Il cannon del castello!" (Cavaradossi, Angelotti, Sagrestano, Coro)
type: MusicRecording
duration: PT1M43S
duration ms: 103666
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Franco Calabrese
by artist: Giuseppe Di Stefano
by artist: Melchiorre Luise
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301605
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:48:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08c738afab982e1408d68a0f4fa24d789cb5449850e37ad49093ffc2aae2bc97
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x08c738afab982e1408d68a0f4fa24d789cb5449850e37ad49093ffc2aae2bc97. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301605 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Il cannon del castello!" (Cavaradossi, Angelotti, Sagrestano, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.318
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.429
  additional property: Energy
    type: PropertyValue
    value: 0.492
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.417
  additional property: Liveness
    type: PropertyValue
    value: 0.803
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.726
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.17
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Un tal baccano in chiesa!" (Scarpia, Sagrestano, Spoletta)
type: MusicRecording
duration: PT3M28S
duration ms: 208400
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Angelo Mercuriali
by artist: Melchiorre Luise
by artist: Tito Gobbi
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T05:04:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4db305fbc5f7630e47aed0a7ac29390a2181e41343facb47ab1286669d2629c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x4db305fbc5f7630e47aed0a7ac29390a2181e41343facb47ab1286669d2629c6. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450092 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Un tal baccano in chiesa!" (Scarpia, Sagrestano, Spoletta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.549
  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: 0.472
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.111
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.311
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.702
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Tutto è chiaro" - "Tosca? Che non mi veda" - "Mario! Mario!" (Scarpia, Tosca, Sagrestano)
type: MusicRecording
duration: PT3M3S
duration ms: 183866
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Melchiorre Luise
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450093
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:40:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54315e1dfe57bcb1c999ad7337425c2e4fab237c1a7f336651b3b0ed6893d45d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450093
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x54315e1dfe57bcb1c999ad7337425c2e4fab237c1a7f336651b3b0ed6893d45d. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450093 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Tutto è chiaro" - "Tosca? Che non mi veda" - "Mario! Mario!" (Scarpia, Tosca, Sagrestano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.981
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.215
  additional property: Speechiness
    type: PropertyValue
    value: 0.072
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.255
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.257
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.205
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 1: "Ed io venivo a lui tutta dogliosa" (Tosca, Scarpia)
type: MusicRecording
duration: PT3M45S
duration ms: 225400
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450094
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T20:58:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf6cfe80425eb8cf0da6b8d19f794be856e4ae98e254c3e5dc72a6be2361a4886
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450094
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xf6cfe80425eb8cf0da6b8d19f794be856e4ae98e254c3e5dc72a6be2361a4886. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450094 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Ed io venivo a lui tutta dogliosa" (Tosca, Scarpia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111
  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: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.196
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.292
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 1: "Tre sbirri, una carrozza" (Scarpia, Spoletta, Coro)
type: MusicRecording
duration: PT4M35S
duration ms: 275373
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Angelo Mercuriali
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Tito Gobbi
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450095
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T08:56:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x98034bab4fdf28fa1513d66ec8a94988156a4d6488a990a7d4eeed8b41673962
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450095
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x98034bab4fdf28fa1513d66ec8a94988156a4d6488a990a7d4eeed8b41673962. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450095 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 1: "Tre sbirri, una carrozza" (Scarpia, Spoletta, Coro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.072
  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: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.41
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.909
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.181
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.586
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Tosca è un buon falco!" (Scarpia, Sciarrone)
type: MusicRecording
duration: PT3M6S
duration ms: 186773
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Dario Caselli
by artist: Tito Gobbi
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450096
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:08:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x31b2823ecfa87560f185cea24bba71f0759804a31a9df1c91d697855523f37f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450096
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x31b2823ecfa87560f185cea24bba71f0759804a31a9df1c91d697855523f37f9. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450096 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Tosca è un buon falco!" (Scarpia, Sciarrone)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.454
  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: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.042
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.091
  additional property: Liveness
    type: PropertyValue
    value: 0.169
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.346
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Ha più forte" (Scarpia, Sciarrone, Spoletta)
type: MusicRecording
duration: PT2M17S
duration ms: 137640
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Angelo Mercuriali
by artist: Dario Caselli
by artist: Tito Gobbi
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450097
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc1545ad29e0064eaa6079663fcaff31b6df33ba5a7e72c20816c35e3ab7675e4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450097
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xc1545ad29e0064eaa6079663fcaff31b6df33ba5a7e72c20816c35e3ab7675e4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450097 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Ha più forte" (Scarpia, Sciarrone, Spoletta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.999
  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: 0.527
  additional property: Energy
    type: PropertyValue
    value: 0.251
  additional property: Speechiness
    type: PropertyValue
    value: 0.085
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.03
  additional property: Liveness
    type: PropertyValue
    value: 0.505
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.464
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.136
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Meno male!" (Scarpia, Spoletta, Coro, Cavaradossi, Tosca)
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Angelo Mercuriali
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Giuseppe Di Stefano
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Tito Gobbi
by artist: Victor de Sabata
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450098
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:00:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef1a69d1a0114b6360cd2a9bc625e0821816496ad5961d27c0cd2a9a8c20c284
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450098
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xef1a69d1a0114b6360cd2a9bc625e0821816496ad5961d27c0cd2a9a8c20c284. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450098 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Meno male!" (Scarpia, Spoletta, Coro, Cavaradossi, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.446
  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: 0.468
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.043
  additional property: Liveness
    type: PropertyValue
    value: 0.29
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.233
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.591
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 2: "Dov'è dunque Angelotti?" (Scarpia, Cavaradossi, Spoletta, Tosca)
type: MusicRecording
duration: PT2M0S
duration ms: 120720
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Angelo Mercuriali
by artist: Giuseppe Di Stefano
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450099
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:26:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa4fd4f1b35d359b72fe50e7771b2e71b959b53a88b6c0b1e82f6dbe3023dcb0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450099
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xa4fd4f1b35d359b72fe50e7771b2e71b959b53a88b6c0b1e82f6dbe3023dcb0f. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450099 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Puccini: Tosca, Act 2: "Dov'è dunque Angelotti?" (Scarpia, Cavaradossi, Spoletta, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.972
  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: 0.342
  additional property: Energy
    type: PropertyValue
    value: 0.073
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.066
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.131
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.011
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 2: "Ed or fra noi parliam da buoni amici" - "Sciarrone, che dice il Cavalier?" (Scarpia, Tosca, Sciarrone, Cavaradossi)
type: MusicRecording
duration: PT3M59S
duration ms: 239213
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Dario Caselli
by artist: Giuseppe Di Stefano
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f157ff86033072f03267c42a3375d99bc30cc8942ec753eede9fca8b30678c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x1f157ff86033072f03267c42a3375d99bc30cc8942ec753eede9fca8b30678c1. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450100 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Ed or fra noi parliam da buoni amici" - "Sciarrone, che dice il Cavalier?" (Scarpia, Tosca, Sciarrone, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.138
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.239
  additional property: Energy
    type: PropertyValue
    value: 0.179
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.961
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.024
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.721
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Orsù, Tosca, parlate" (Scarpia, Tosca, Cavaradossi)
type: MusicRecording
duration: PT2M55S
duration ms: 175186
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T22:37:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3299afe2985ae478aef9b461e90622e30d881df9b7ddc7a4ba0ec1e443994e0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450101
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x3299afe2985ae478aef9b461e90622e30d881df9b7ddc7a4ba0ec1e443994e0f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450101 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Orsù, Tosca, parlate" (Scarpia, Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.424
  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: 0.236
  additional property: Energy
    type: PropertyValue
    value: 0.264
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.954
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.013
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.516
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 2: "Nel pozzo... nel giardino" (Scarpia, Sciarrone, Tosca, Cavaradossi)
type: MusicRecording
duration: PT5M22S
duration ms: 322720
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Dario Caselli
by artist: Giuseppe Di Stefano
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450102
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:00:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x61d9d242f2a390a138d40642b1f81530fdd4e422cf40221fd53e9afa412f4314
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450102
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x61d9d242f2a390a138d40642b1f81530fdd4e422cf40221fd53e9afa412f4314. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450102 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Nel pozzo... nel giardino" (Scarpia, Sciarrone, Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 167.869
  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: 0.232
  additional property: Energy
    type: PropertyValue
    value: 0.235
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.072
  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.18
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.524
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Se la giurata fede debbo tradir" (Scarpia, Tosca)
type: MusicRecording
duration: PT3M36S
duration ms: 216960
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450103
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T19:28:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd63820ca67c5b1ef357d6f246f5bfcaef10f8cffdaff188df2002d0e16942d32
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450103
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xd63820ca67c5b1ef357d6f246f5bfcaef10f8cffdaff188df2002d0e16942d32. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450103 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Puccini: Tosca, Act 2: "Se la giurata fede debbo tradir" (Scarpia, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.152
  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: 0.364
  additional property: Energy
    type: PropertyValue
    value: 0.33
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.972
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.303
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.391
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
type: MusicRecording
duration: PT3M13S
duration ms: 193040
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450104
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-19T08:56:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36551cec3f4595a505f31461213b0f0e212de0b0ab81a4c55613644faf8444cb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450104
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x36551cec3f4595a505f31461213b0f0e212de0b0ab81a4c55613644faf8444cb. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450104 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Vissi d'arte" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.996
  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: 0.291
  additional property: Energy
    type: PropertyValue
    value: 0.186
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.04
  additional property: Liveness
    type: PropertyValue
    value: 0.105
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.068
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.629
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "Vedi, le man giunte io stendo a te!" (Tosca, Scarpia, Spoletta)
type: MusicRecording
duration: PT3M40S
duration ms: 220800
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Angelo Mercuriali
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450105
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T20:58:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58e4fd49acd48a2da489ca62f15ffcb1871bed8a41b1330b6dd1bb1d8dff0e99
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450105
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x58e4fd49acd48a2da489ca62f15ffcb1871bed8a41b1330b6dd1bb1d8dff0e99. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450105 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "Vedi, le man giunte io stendo a te!" (Tosca, Scarpia, Spoletta)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.28
  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: 0.378
  additional property: Energy
    type: PropertyValue
    value: 0.152
  additional property: Speechiness
    type: PropertyValue
    value: 0.146
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.217
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.185
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 2: "E qual via scegliete?" (Scarpia, Tosca)
type: MusicRecording
duration: PT2M38S
duration ms: 158813
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Tito Gobbi
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301606
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:03:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d239f2234c2735f5c19311f0fa51cee69c3b520dcd4f0fe672d6e7b950a8f9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301606
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x6d239f2234c2735f5c19311f0fa51cee69c3b520dcd4f0fe672d6e7b950a8f9f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301606 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "E qual via scegliete?" (Scarpia, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.922
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.229
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.388
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.088
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.385
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 2: "È morto! Or gli perdono" (Tosca)
type: MusicRecording
duration: PT3M54S
duration ms: 234133
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301607
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T02:49:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaff2560266b40be0e7fd8a5b367e65e50fcb5878dd1b1e086fb76d3f84f80eea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301607
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xaff2560266b40be0e7fd8a5b367e65e50fcb5878dd1b1e086fb76d3f84f80eea. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301607 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 2: "È morto! Or gli perdono" (Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.681
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.16
  additional property: Energy
    type: PropertyValue
    value: 0.03
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.955
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.262
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.68
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "Io de' sospiri" (Voce del pastore)
type: MusicRecording
duration: PT5M38S
duration ms: 338720
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Alvaro Cordova
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450107
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:30:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66f334b7025ee2771473cd936033e29426054d3828889ce929d6e6716a418aeb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450107
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x66f334b7025ee2771473cd936033e29426054d3828889ce929d6e6716a418aeb. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450107 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Puccini: Tosca, Act 3: "Io de' sospiri" (Voce del pastore)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.271
  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: 0.178
  additional property: Energy
    type: PropertyValue
    value: 0.022
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.951
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.743
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.04
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.013
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "Mario Cavaradossi? A voi" (Carceriere, Cavaradossi)
type: MusicRecording
duration: PT4M3S
duration ms: 243053
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Dario Caselli
by artist: Giuseppe Di Stefano
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450108
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0d02c669c26afcd0aa8a15c42dba89582afa22a12fb97767727787bcc6bd46a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450108
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x0d02c669c26afcd0aa8a15c42dba89582afa22a12fb97767727787bcc6bd46a7. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450108 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 3: "Mario Cavaradossi? A voi" (Carceriere, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.599
  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: 0.185
  additional property: Energy
    type: PropertyValue
    value: 0.088
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.973
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.05
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.065
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.355
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
type: MusicRecording
duration: PT2M47S
duration ms: 167000
explicit: false
by artist: Giacomo Puccini
by artist: Victor de Sabata
by artist: Giuseppe Di Stefano
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T06:38:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x804aeb8b3d935c3f5793c20c3e1e07aef9bee04cac2cb0fb833a11d9b06bbded
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450109
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x804aeb8b3d935c3f5793c20c3e1e07aef9bee04cac2cb0fb833a11d9b06bbded. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450109 — a six-check JSON result.
  date published: 2026-06-13T13:32:09Z
audio: Puccini: Tosca, Act 3: "E lucevan le stelle" (Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.803
  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: 0.166
  additional property: Energy
    type: PropertyValue
    value: 0.078
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.02
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.051
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.086
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
type: MusicRecording
duration: PT2M33S
duration ms: 153386
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC1450110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T21:01:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefb27d93e001714bc63cf992e8451be78723ee54fef809a4a4f9d3afd3e5b955
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xefb27d93e001714bc63cf992e8451be78723ee54fef809a4a4f9d3afd3e5b955. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1450110 — a six-check JSON result.
  date published: 2026-07-02T03:30:09Z
audio: Puccini: Tosca, Act 3: "Ah! Franchigia a Floria Tosca" (Cavaradossi, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.53
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.329
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.216
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.452
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Puccini: Tosca, Act 3: "O dolci mani mansuete e pure" (Cavaradossi, Tosca)
type: MusicRecording
duration: PT2M58S
duration ms: 178693
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301608
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T00:53:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xddc2344b90bec82bcb74843c08d7a01771e4abfae55ca4c023be4c12d8607c10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301608
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xddc2344b90bec82bcb74843c08d7a01771e4abfae55ca4c023be4c12d8607c10. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301608 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Puccini: Tosca, Act 3: "O dolci mani mansuete e pure" (Cavaradossi, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.771
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.087
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.135
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.448
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "Amaro sol per te m'era morire" (Cavaradossi, Tosca)
type: MusicRecording
duration: PT1M53S
duration ms: 113866
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Giuseppe Di Stefano
by artist: Victor de Sabata
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 2024-01-21
isrc code: GBAYC2301609
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T10:02:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5a60f7ca7d02a23358a2deee166bb858b9400720ed88b6f38bcdee0ee658d66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301609
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xe5a60f7ca7d02a23358a2deee166bb858b9400720ed88b6f38bcdee0ee658d66. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC2301609 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Puccini: Tosca, Act 3: "Amaro sol per te m'era morire" (Cavaradossi, Tosca)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.188
  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: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.173
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.295
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.6
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 3: "E non giungono" (Tosca, Cavaradossi, Carceriere)
type: MusicRecording
duration: PT2M25S
duration ms: 145840
explicit: false
by artist: Giacomo Puccini
by artist: Maria Callas
by artist: Dario Caselli
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Giacomo Puccini: Tosca (Maria Callas, Vol. 3)
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Wagner: Tristan und Isolde (Live)
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Verdi: Macbeth (Live)
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Verdi: Falstaff / Otello / Aida (1938-1952)
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Verdi: Messa da Requiem
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Wagner: Die Meistersinger, Götterdämmerung, Parsifal, Tristan Und Isolde
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Conductor's Gallery, Vol. 6: Victor de Sabata
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Victor de Sabata the 20th Century Repertoire
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Nathan Milstein with Markevitch and Sabata in Concert
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Brahms- Symphony No. 4 in E minor op. 98
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Brahms- Symphony No. 4 in E minor op. 98/Kodály- Dances of Galánta
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Victor de Sabata – Recordings On Deutsche Grammophon And Decca
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Germaine Lubin in Her Finest Recordings
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Beethoven: Symphonies Nos. 3, 5, 6 & 8
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Recital (1951-1957)
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Puccini: La bohème
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Brahms: Concerto for Violin and Orchestra, Op. 77 & Beethoven: Symphony No. 5, Op. 67
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Giacomo Puccini, Vol. 2 (1953)
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Wolfgang Amadeus Mozart, Vol. 3 (1939)
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Liszt, F.: Piano Concerto No. 2 / Schumann, R.: Piano Concerto / Weber, C.M. Von: Konzertstuck (Arrau) (1943, 1947, 1951)
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Opera at La Scala (1903-1930)
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Tosca por Maria Callas (Giacomo Puccini)
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Mario Del Monaco: Selections of Giordano, Saint-Saëns, Riccardo Zandonai
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Felix Mendelssohn, Bartholdy: Violin Concerto In E minor, Op. 64 - Johannes Brahms: Violin Concerto In D Major, Op. 77
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Hector Berlioz: Masters of Music, Vol. 12
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Wolfgang Amadeus Mozart
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Victor de Sabata & Dimitri Mitropoulos
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Victor de sabata: Composizioni per pianoforte
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Mozart: Requiem in D Minor (Tassinari, Tagliavini, De Sabata) (1941)
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Verdi: Messa Da Requiem (Schwarzkopf, Di Stefano, De Sabata) (1954)
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VERDI: MACBETH
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Verdi: Requiem & I Vespri Siciliani - Franck: Symphony in D Minor - Dukas: The Sorcerer's Apprentice
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Puccini: Tosca (Callas, Di Stefano) (1953)
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Mozart: Requiem
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Verdi, G.: Overture To I Vespri Siciliani / Berlioz, H.: Le Carnaval Romain / Strauss, R.: Tod Und Verklarung (Vienna Philharmonic, De Sabata) (1953)
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Beethoven: Symphony No. 6 (De Sabata) (1947)
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A To Z Of Conductors
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