Pablo Sorozábal
type: MusicGroup
genre: spanish-classical
genre: operetta
genre: zarzuela
description: Pablo Sorozábal Mariezcurrena (18 September 1897 – 26 December 1988"Pablo Sorozabal (Marialcurrena)", ItalianOpera.) was a Spanish composer of zarzuelas, operas, symphonic works, and the popular roman
popularity: 25
followers: 1472
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album: Sol y Vida
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  date published: 2019-05-10
  track: Granada (Arr. Chichon)
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    by artist: Agustín Lara
    by artist: Elina Garanca
    by artist: Orquesta Filarmónica de Gran Canaria
    by artist: Karel Mark Chichon
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      date published: 2019-05-10
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    additional property: OTSVerifyInstructions
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      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-02T03:30:09Z
    audio: Granada (Arr. Chichon)
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  track: La Llorona (Arr. del Rey)
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    by artist: Elina Garanca
    by artist: José Maria Gallardo del Rey
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      date published: 2019-05-10
    genre: bhajan
    genre: gregorian-chant
    genre: medieval
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      date published: 2026-07-08T03:53:27Z
    audio: La Llorona (Arr. del Rey)
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  track: Non ti scordar di me (Arr. Langley)
  track: Non t'amo più (Arr. Chichon)
  track: Voce'e notte (Arr. Langley)
  track: Marechiare (Arr. Langley)
album: 50 Greatest Tracks
album: 101 Domingo
album: 100 Best Placido Domingo
album: Amore
album: La Tabernera del Puerto - Alfredo Kraus
album: La tabernera del puerto (Zarzuela en tres actos)
album: Vivia Sola
album: Zarzuela: Katiuska
album: Zarzuela: Don Manolito
album: Opereta Fantástica: La del Manojo de Rosas
album: Pablo Sorozábal: Don Manolito [Zarzuela en Dos Actos] (1959)
album: Pablo Sorozábal: La Tabernera del Puerto [Zarzuela en Tres Actos] (1958)
album: Pablo Sorozábal : Katiuska (1958)
album: Sorozábal: La Taberna del Puerto
album: Adiós a la Bohemia
album: despierta negro
album: 100 Best Operetta
album: Mi Disco de Oro (Remasterizado)
album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
album: Ten Top Tenors

La Taberna del Puerto, Act II, Scene 2: En un País de Fábula (Marola, Juan, Simpson, Coro de hombres)
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by artist: Pablo Sorozábal
by artist: Orquesta Sinfónica de Galicia
by artist: Victor Pablo Pérez
by artist: Maria Bayo
by artist: Juan Pons
by artist: Enrique Ba
by artist: Orfeon Donostiarra
by artist: José Antonio Saenz
in album: Sorozábal: La Taberna del Puerto
  type: MusicAlbum
  date published: 1996-01-01
genre: spanish-classical
genre: operetta
genre: zarzuela
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  date published: 2026-07-02T11:34:59Z
audio: La Taberna del Puerto, Act II, Scene 2: En un País de Fábula (Marola, Juan, Simpson, Coro de hombres)
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Zarzuela 3 - Remasterizado
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duration: PT6M39S
duration ms: 399800
explicit: false
by artist: Luis Cobos
by artist: Carlos Arniches Barrera
by artist: Federico Chueca
by artist: Federico Moreno Torroba
by artist: Francisco Asenjo Barbieri
by artist: Gerónimo Giménez
by artist: Jose Serrano
by artist: Pablo Sorozábal
by artist: Joaquín Valverde
by artist: Anselmo Carreño
by artist: Emilio González del Castillo
by artist: Julián Romea
by artist: Luis Mariano de Larra
by artist: Miguel Ramos
by artist: Ricardo Gonzalez Del Toro
by artist: Fernando Luque
by artist: Francisco Ramos de Castro
by artist: Manuel Martí
by artist: Barry Griffiths
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
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  date published: 1982
popularity: 10
genre: classical
genre: orchestra
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  date published: 2026-07-02T03:55:08Z
audio: Zarzuela 3 - Remasterizado
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Non ti scordar di me (Arr. Langley)
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by artist: Ernesto de Curtis
by artist: Elina Garanca
by artist: Orquesta Filarmónica de Gran Canaria
by artist: Karel Mark Chichon
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genre: canzone-napoletana
genre: electro-swing
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Non ti scordar di me (Arr. Langley)
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Non t'amo più (Arr. Chichon)
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by artist: Elina Garanca
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by artist: Karel Mark Chichon
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genre: opera
genre: canzone-napoletana
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Non t'amo più (Arr. Chichon)
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Voce'e notte (Arr. Langley)
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by artist: Ernesto de Curtis
by artist: Elina Garanca
by artist: Orquesta Filarmónica de Gran Canaria
by artist: Karel Mark Chichon
in album: Sol y Vida
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  date published: 2019-05-10
genre: canzone-napoletana
genre: electro-swing
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Voce'e notte (Arr. Langley)
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Marechiare (Arr. Langley)
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duration: PT3M19S
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by artist: Francesco Paolo Tosti
by artist: Elina Garanca
by artist: Orquesta Filarmónica de Gran Canaria
by artist: Karel Mark Chichon
in album: Sol y Vida
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genre: opera
genre: canzone-napoletana
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Marechiare (Arr. Langley)
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50 Greatest Tracks
type: MusicAlbum
date published: 2015-11-06
track: Rigoletto / Act 3: "La donna è mobile"
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
  audio: Rigoletto / Act 3: "La donna è mobile"
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track: Il barbiere di Siviglia, Act I: No. 2, Aria. Largo al factotum
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  by artist: Chamber Orchestra of Europe
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  popularity: 11
  genre: classical
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:55:08Z
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track: Tosca / Act 1: "Recondita armonia"
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  by artist: Philharmonia Orchestra
  by artist: Giuseppe Sinopoli
  in album: 50 Greatest Tracks
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    date published: 2015-11-06
  popularity: 4
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  subject of: OpenTimestamps Proof of Existence
  audio: Tosca / Act 1: "Recondita armonia"
track: La traviata, Act I: Un dì felice, eterea
track: Lohengrin, Act III Scene 3: In fernem Land "Grail Narration"
track: Les Contes d'Hoffmann / Act 1: "Il était une fois à la cour d'Eisenach" (La légende de Kleinzach)
track: Rigoletto / Act 1: "Questa o quella"
track: Pagliacci / Act 1: "Vesti la giubba"
track: L'Africaine, Act IV: Pays merveilleux – O, paradis
track: Die Meistersinger von Nürnberg / Act 1: "Am stillen Herd"
track: Die Meistersinger von Nürnberg / Act 3: "Morgenlich leuchtend"
track: Manon Lescaut / Act I: "Donna non vidi mai"
track: Il trovatore, Act III: Di quella pira
track: La traviata, Act I: Libiamo ne' lieti calici "Brindisi"
track: Nabucco / Act II: Che si vuol? / Il maledetto non ha fratelli
track: Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
track: Turandot / Act 3: "Nessun dorma!" - Live
track: "Granada"
track: "Be My Love"
track: El día que me quieras - Arr. Roberto Pansera
track: "Panis Angelicus", IAC 25
track: Chitarra Romana
track: "Volver" - Arr. Roberto Pansera
track: "Mucho, mucho" (Muñequita Linda)
track: "Ay, Ay, Ay"
track: "Amapola"
track: Mi Buenos Aires Querido - Arr. Roberto Pansera
track: Because
track: Júrame
track: "Core 'ngrato"
track: "Siboney"
track: La tabernera del puerto / Act 2: "No puede ser" - Live
track: Das Land des Lächelns / Act 2: "Dein ist mein ganzes Herz" (Orch. Klickmann) - Live

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2f66cacc92df6161f4c4e39e4a87efd2c51f895eea5cf79a5dc512e49bd9468. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF059030901.
date published: 2026-07-08T03:22:41Z

Tosca / Act 1: "Recondita armonia"
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La traviata, Act I: Un dì felice, eterea
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by artist: Plácido Domingo
by artist: Bavarian State Orchestra
by artist: Carlos Kleiber
in album: 50 Greatest Tracks
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popularity: 3
genre: classical
genre: opera
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: La traviata, Act I: Un dì felice, eterea
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Lohengrin, Act III Scene 3: In fernem Land "Grail Narration"
type: MusicRecording
duration: PT6M34S
duration ms: 394386
explicit: false
by artist: Richard Wagner
by artist: Plácido Domingo
by artist: Hans Sotin
by artist: Wiener Staatsopernchor
by artist: Wiener Philharmoniker
by artist: Sir Georg Solti
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Lohengrin, Act III Scene 3: In fernem Land "Grail Narration"
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Les Contes d'Hoffmann / Act 1: "Il était une fois à la cour d'Eisenach" (La légende de Kleinzach)
type: MusicRecording
duration: PT5M3S
duration ms: 303533
explicit: false
by artist: Jacques Offenbach
by artist: Plácido Domingo
by artist: Robin Leggate
by artist: Choeurs de Radio France
by artist: Orchestre National De France
by artist: Seiji Ozawa
by artist: Choeur de Radio France
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: german-romanticism
genre: late-romantic-era
genre: french-opera
genre: french-romanticism
genre: operetta
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2536d7025f8a955bd1b39a2c15fc70ca311185eaf4a8006b7271499419c8a21e. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058631206.
  date published: 2026-07-08T03:53:27Z
audio: Les Contes d'Hoffmann / Act 1: "Il était une fois à la cour d'Eisenach" (La légende de Kleinzach)
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Rigoletto / Act 1: "Questa o quella"
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duration: PT1M57S
duration ms: 117440
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Wiener Philharmoniker
by artist: Carlo Maria Giulini
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Rigoletto / Act 1: "Questa o quella"
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Pagliacci / Act 1: "Vesti la giubba"
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duration: PT2M47S
duration ms: 167466
explicit: false
by artist: Ruggero Leoncavallo
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
by artist: Georges Prêtre
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 5
genre: italian-opera
genre: italian-romanticism
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:50:41Z
audio: Pagliacci / Act 1: "Vesti la giubba"
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L'Africaine, Act IV: Pays merveilleux – O, paradis
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duration: PT3M39S
duration ms: 219026
explicit: false
by artist: Giacomo Meyerbeer
by artist: Plácido Domingo
by artist: Los Angeles Philharmonic
by artist: Carlo Maria Giulini
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
genre: opera
isrc code: DEF058001700
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: L'Africaine, Act IV: Pays merveilleux – O, paradis
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Die Meistersinger von Nürnberg / Act 1: "Am stillen Herd"
type: MusicRecording
duration: PT2M11S
duration ms: 131946
explicit: false
by artist: Richard Wagner
by artist: Plácido Domingo
by artist: Dietrich Fischer-Dieskau
by artist: Roland Hermann
by artist: Gerd Feldhoff
by artist: Peter Maus
by artist: Roberto Banuelas
by artist: Orchester der Deutschen Oper Berlin
by artist: Eugen Jochum
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
genre: classical
genre: opera
isrc code: DEF057630658
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Die Meistersinger von Nürnberg / Act 1: "Am stillen Herd"
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Die Meistersinger von Nürnberg / Act 3: "Morgenlich leuchtend"
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duration: PT4M16S
duration ms: 256066
explicit: false
by artist: Richard Wagner
by artist: Catarina Ligendza
by artist: Plácido Domingo
by artist: Peter Maus
by artist: Roberto Banuelas
by artist: Gerd Feldhoff
by artist: Peter Lagger
by artist: Chor der Deutschen Oper Berlin
by artist: Orchester der Deutschen Oper Berlin
by artist: Eugen Jochum
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: classical
genre: opera
isrc code: DEF057630660
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1a36855d35ada18ecce6912f41b0fe83a949775cf2d96761d82f7ef69b7551. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057630660.
  date published: 2026-07-08T03:53:27Z
audio: Die Meistersinger von Nürnberg / Act 3: "Morgenlich leuchtend"
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Manon Lescaut / Act I: "Donna non vidi mai"
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duration: PT2M19S
duration ms: 139986
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Philharmonia Orchestra
by artist: Giuseppe Sinopoli
in album: 50 Greatest Tracks
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  date published: 2015-11-06
popularity: 2
isrc code: DEF058430106
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Manon Lescaut / Act I: "Donna non vidi mai"
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Il trovatore, Act III: Di quella pira
type: MusicRecording
duration: PT2M18S
duration ms: 138813
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Walter Gullino
by artist: Coro dell'Accademia Nazionale Di Santa Cecilia
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Carlo Maria Giulini
in album: 50 Greatest Tracks
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  date published: 2015-11-06
popularity: 1
genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24e3a1771f2de9ca9ecfef9833841dd5269ae2bda00e5e56902e7bb0e0ca74e4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058430028.
  date published: 2026-07-08T03:20:19Z
audio: Il trovatore, Act III: Di quella pira
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La traviata, Act I: Libiamo ne' lieti calici "Brindisi"
type: MusicRecording
duration: PT3M3S
duration ms: 183093
explicit: false
by artist: Giuseppe Verdi
by artist: Ileana Cotrubas
by artist: Plácido Domingo
by artist: Chor der Bayerischen Staatsoper München
by artist: Bavarian State Orchestra
by artist: Carlos Kleiber
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
genre: classical
genre: opera
isrc code: DEF057730030
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d9f3a43e734ab199706bedfde51dc64279056bb39f4b3b035fd808dc347370a. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057730030.
  date published: 2026-07-08T03:53:27Z
audio: La traviata, Act I: Libiamo ne' lieti calici "Brindisi"
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Nabucco / Act II: Che si vuol? / Il maledetto non ha fratelli
type: MusicRecording
duration: PT2M40S
duration ms: 160733
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Orchester der Deutschen Oper Berlin
by artist: Giuseppe Sinopoli
by artist: Chor der Deutschen Oper Berlin
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
genre: classical
genre: opera
isrc code: DEF058230610
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01f1b5f57d3ae7f1eb9bbe5ac890b00d3ccdb5bc2d798372957acf7ca7611960. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF058230610.
  date published: 2026-07-08T08:56:20Z
audio: Nabucco / Act II: Che si vuol? / Il maledetto non ha fratelli
  type: AudioObject
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Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
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duration: PT2M41S
duration ms: 161400
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 12
isrc code: GBF079040311
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4404e48fa2199672d3b4abe7f681ebb2a968bc1a2d1721ed391751d37750a7e8. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040311.
  date published: 2026-07-02T03:55:08Z
audio: Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
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Turandot / Act 3: "Nessun dorma!" - Live
type: MusicRecording
duration: PT3M31S
duration ms: 211093
explicit: false
by artist: Giacomo Puccini
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 15
isrc code: GBF079040317
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Turandot / Act 3: "Nessun dorma!" - Live
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"Granada"
type: MusicRecording
duration: PT3M58S
duration ms: 238146
explicit: false
by artist: Agustín Lara
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Marcel Peeters
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 11
isrc code: DEF057601610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-10T15:51:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17ed75d8ec7039f577a166e7a5e57fd0246eb814368c5a5f6f41fadbb8484ae1
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/DEF057601610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ed75d8ec7039f577a166e7a5e57fd0246eb814368c5a5f6f41fadbb8484ae1. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601610.
  date published: 2026-07-02T03:55:08Z
audio: "Granada"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.526
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.243
  additional property: Energy
    type: PropertyValue
    value: 0.541
  additional property: Speechiness
    type: PropertyValue
    value: 0.091
  additional property: Acousticness
    type: PropertyValue
    value: 0.842
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.36
  additional property: Liveness
    type: PropertyValue
    value: 0.124
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.375
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.316
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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"Be My Love"
type: MusicRecording
duration: PT3M15S
duration ms: 195786
explicit: false
by artist: Nikolaus Brodszky
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
isrc code: DEF057601650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa847191f60dfa71701c8a37b1c061f01db444cd7b7f92f9c86e54680a8cb02f8
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601650
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa847191f60dfa71701c8a37b1c061f01db444cd7b7f92f9c86e54680a8cb02f8. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601650.
  date published: 2026-07-08T03:20:19Z
audio: "Be My Love"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.867
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.148
  additional property: Energy
    type: PropertyValue
    value: 0.321
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.206
  additional property: Liveness
    type: PropertyValue
    value: 0.307
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.191
  additional property: Loudness (dB)
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    value: -18.954
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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El día que me quieras - Arr. Roberto Pansera
type: MusicRecording
duration: PT3M48S
duration ms: 228546
explicit: false
by artist: Carlos Gardel
by artist: Plácido Domingo
by artist: Studio Orchester
by artist: Roberto Pansera
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 10
genre: tango
genre: bolero
genre: candombe
isrc code: ESA038102060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T09:57:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x707aac2f62124c08ed8ece03f0e353eab7528ee93fc0d117294b016073f51f29
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x707aac2f62124c08ed8ece03f0e353eab7528ee93fc0d117294b016073f51f29. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102060.
  date published: 2026-07-02T05:09:12Z
audio: El día que me quieras - Arr. Roberto Pansera
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.959
  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: 0.183
  additional property: Energy
    type: PropertyValue
    value: 0.223
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.46
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.143
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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"Panis Angelicus", IAC 25
type: MusicRecording
duration: PT3M41S
duration ms: 221973
explicit: false
by artist: César Franck
by artist: Plácido Domingo
by artist: Orchestra Sinfonica di Milano Giuseppe Verdi
by artist: Marcello Viotti
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
genre: chamber-music
isrc code: DEN960230503
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:55:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab6fc90b9a1f522054e702c06d9eb62ba0cfac21821ba16cd2aee21f719a57e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960230503
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab6fc90b9a1f522054e702c06d9eb62ba0cfac21821ba16cd2aee21f719a57e3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960230503.
  date published: 2026-07-08T03:53:27Z
audio: "Panis Angelicus", IAC 25
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.284
  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: 0.128
  additional property: Energy
    type: PropertyValue
    value: 0.077
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.959
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.011
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.086
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.374
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chitarra Romana
type: MusicRecording
duration: PT3M7S
duration ms: 187973
explicit: false
by artist: Eldo di Lazzaro
by artist: Plácido Domingo
by artist: Eugene Kohn
by artist: Budapest Philharmonic Orchestra
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
isrc code: DEN960531704
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:48:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35bcec52b8703a3f8f141bbc4d328ecd66b1d25988d5aa931334ca3c15f0a670
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960531704
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35bcec52b8703a3f8f141bbc4d328ecd66b1d25988d5aa931334ca3c15f0a670. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960531704.
  date published: 2026-07-08T03:22:41Z
audio: Chitarra Romana
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.623
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.171
  additional property: Speechiness
    type: PropertyValue
    value: 0.064
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.111
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.5
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.008
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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"Volver" - Arr. Roberto Pansera
type: MusicRecording
duration: PT3M31S
duration ms: 211546
explicit: false
by artist: Carlos Gardel
by artist: Plácido Domingo
by artist: Studio Orchester
by artist: Roberto Pansera
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 9
genre: tango
genre: bolero
genre: candombe
isrc code: ESA038102030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:06:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc42ec2369c9c2eb7ef7e0f04a17733657fed8686b0ddc0c8320e5bdf82992171
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc42ec2369c9c2eb7ef7e0f04a17733657fed8686b0ddc0c8320e5bdf82992171. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102030.
  date published: 2026-07-02T05:09:12Z
audio: "Volver" - Arr. Roberto Pansera
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.147
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.337
  additional property: Energy
    type: PropertyValue
    value: 0.282
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.91
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.389
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
    value: Major

"Mucho, mucho" (Muñequita Linda)
type: MusicRecording
duration: PT3M50S
duration ms: 230106
explicit: false
by artist: María Grever
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 4
isrc code: DEF057601670
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T23:57:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x965e3440c4cba30391be5a8a8c9034e215f112e22325876ccbdd2821b46a1726
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601670
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x965e3440c4cba30391be5a8a8c9034e215f112e22325876ccbdd2821b46a1726. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601670.
  date published: 2026-07-08T03:22:41Z
audio: "Mucho, mucho" (Muñequita Linda)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.081
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.205
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -21.546
  additional property: Key Name
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    value: G
  additional property: Mode Name
    type: PropertyValue
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"Ay, Ay, Ay"
type: MusicRecording
duration: PT3M13S
duration ms: 193280
explicit: false
by artist: Osman Perez Freire
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 7
isrc code: DEF057601640
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:09:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0924d1fd58c85a706e6f0f21b6cfee263cffce1d56a0842f27b4fd46cca18da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601640
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0924d1fd58c85a706e6f0f21b6cfee263cffce1d56a0842f27b4fd46cca18da. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601640.
  date published: 2026-07-07T18:50:38Z
audio: "Ay, Ay, Ay"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.264
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.18
  additional property: Energy
    type: PropertyValue
    value: 0.282
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.202
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.171
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.752
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

"Amapola"
type: MusicRecording
duration: PT2M34S
duration ms: 154906
explicit: false
by artist: Joseph Maria Lacalle
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 3
isrc code: DEF057601720
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T23:56:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa1957e9f1b008bcea2d2996186435f1220d8f6b9f8d059964c2aeca10eb71ab5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601720
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1957e9f1b008bcea2d2996186435f1220d8f6b9f8d059964c2aeca10eb71ab5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601720.
  date published: 2026-07-08T03:20:19Z
audio: "Amapola"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.02
  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: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.343
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.911
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.375
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.151
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Mi Buenos Aires Querido - Arr. Roberto Pansera
type: MusicRecording
duration: PT3M30S
duration ms: 210933
explicit: false
by artist: Carlos Gardel
by artist: Plácido Domingo
by artist: Studio Orchester
by artist: Roberto Pansera
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 10
genre: tango
genre: bolero
genre: candombe
isrc code: ESA038102050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T16:52:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa38f8aceb29b12ad9a99f71fa4affca8bfd2f676ba24773ab3f0cfbb9c69b2d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa38f8aceb29b12ad9a99f71fa4affca8bfd2f676ba24773ab3f0cfbb9c69b2d4. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA038102050.
  date published: 2026-07-02T11:38:34Z
audio: Mi Buenos Aires Querido - Arr. Roberto Pansera
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.824
  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: 0.406
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.522
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.606
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.175
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Because
type: MusicRecording
duration: PT2M23S
duration ms: 143386
explicit: false
by artist: Guy d'Hardelot
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 1
isrc code: DEF057601680
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T12:27:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x532532cf1009d16d6f279a06ec0e0a5f283711a2534ba387693e9d6000589002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601680
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x532532cf1009d16d6f279a06ec0e0a5f283711a2534ba387693e9d6000589002. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601680.
  date published: 2026-07-08T08:56:20Z
audio: Because
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.855
  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: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.317
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.239
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.541
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Júrame
type: MusicRecording
duration: PT3M42S
duration ms: 222906
explicit: false
by artist: María Grever
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Marcel Peeters
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 11
isrc code: DEF057601710
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T19:10:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7233981fe6d2345b6d44e061de4d4f54784c2b05ba7e39b7c0feb81b5d0add6a
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/DEF057601710
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7233981fe6d2345b6d44e061de4d4f54784c2b05ba7e39b7c0feb81b5d0add6a. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601710.
  date published: 2026-07-02T03:55:08Z
audio: Júrame
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.168
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.302
  additional property: Energy
    type: PropertyValue
    value: 0.306
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.924
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.16
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.317
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.216
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

"Core 'ngrato"
type: MusicRecording
duration: PT3M11S
duration ms: 191013
explicit: false
by artist: Salvatore Cardillo
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Marcel Peeters
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
isrc code: DEF057601600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:07:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf50d4ec293fd49ba8a9a8b01cf9dfa41faf830e73b6bf66027a6413686198872
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf50d4ec293fd49ba8a9a8b01cf9dfa41faf830e73b6bf66027a6413686198872. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601600.
  date published: 2026-07-08T03:20:19Z
audio: "Core 'ngrato"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.521
  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: 0.157
  additional property: Energy
    type: PropertyValue
    value: 0.285
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.921
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.4
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.196
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.472
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

"Siboney"
type: MusicRecording
duration: PT3M43S
duration ms: 223026
explicit: false
by artist: Ernesto Lecuona
by artist: Plácido Domingo
by artist: London Symphony Orchestra
by artist: Karl-Heinz Loges
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 2
isrc code: DEF057601630
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T22:01:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7fa627cc8cf05bcfb93d928fac04e2c68facbdad1e0d36b8c6f085348e3f19a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601630
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7fa627cc8cf05bcfb93d928fac04e2c68facbdad1e0d36b8c6f085348e3f19a9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057601630.
  date published: 2026-07-08T03:22:41Z
audio: "Siboney"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.651
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.261
  additional property: Energy
    type: PropertyValue
    value: 0.361
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.682
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.088
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.316
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.698
  additional property: Key Name
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    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La tabernera del puerto / Act 2: "No puede ser" - Live
type: MusicRecording
duration: PT2M45S
duration ms: 165426
explicit: false
by artist: Pablo Sorozábal
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: 50 Greatest Tracks
  type: MusicAlbum
  date published: 2015-11-06
popularity: 10
genre: spanish-classical
genre: operetta
genre: zarzuela
isrc code: GBF079040309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T21:56:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: La tabernera del puerto / Act 2: "No puede ser" - Live
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Das Land des Lächelns / Act 2: "Dein ist mein ganzes Herz" (Orch. Klickmann) - Live
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duration: PT3M37S
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by artist: Plácido Domingo
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Das Land des Lächelns / Act 2: "Dein ist mein ganzes Herz" (Orch. Klickmann) - Live
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101 Domingo
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date published: 2013-01-01
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: L'Africaine / Act 4: "Mi batte il cor... O Paradiso" - Live
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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100 Best Placido Domingo
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track: Aida: O terra addio - 2001 Remastered Version
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Puccini: Manon Lescaut, Act 1: "Donna non vidi mai simile a questa!" (Des Grieux)
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  subject of: OpenTimestamps Proof of Existence
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track: Verdi: Un ballo in maschera, Act 3 Tableau 2: No. 14, Scena e Romanza, "Forse la soglia attinse … Ma se m'è forza perderti" (Gustavo)
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track: Verdi: La forza del destino, Act 3: "Solenne in quest'ora" (Don Alvaro, Don Carlo di Vargas)
track: Manon Lescaut: Manon, senti
track: Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
track: Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
track: Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
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: Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
track: Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
track: La Traviata: Libiamo, ne' lieti calci (Brindisi)
track: Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
track: Das Land des Lächelns: Dein ist mein ganzes Herz!
track: Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501394

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8c1f8f536495f3e3ac8e929ba851d0f86dd286b8151f718750c4c9cfa86c3a5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8501394.
date published: 2026-07-08T03:53:27Z

Verdi: Un ballo in maschera, Act 3 Tableau 2: No. 14, Scena e Romanza, "Forse la soglia attinse … Ma se m'è forza perderti" (Gustavo)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 170.608
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: 0.21
additional property: Energy
  type: PropertyValue
  value: 0.16
additional property: Speechiness
  type: PropertyValue
  value: 0.049
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.009
additional property: Liveness
  type: PropertyValue
  value: 0.094
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.053
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.443
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major

Verdi: La forza del destino, Act 3: "Solenne in quest'ora" (Don Alvaro, Don Carlo di Vargas)
type: MusicRecording
duration: PT4M4S
duration ms: 244693
explicit: false
by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Giorgio Zancanaro
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8601092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:43:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb24f8ca17ab15bcd67d18c4b57b0333e0869e4e60deafc851ac11a86a07b02f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb24f8ca17ab15bcd67d18c4b57b0333e0869e4e60deafc851ac11a86a07b02f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8601092.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: La forza del destino, Act 3: "Solenne in quest'ora" (Don Alvaro, Don Carlo di Vargas)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.163
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.131
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.021
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.437
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Manon Lescaut: Manon, senti
type: MusicRecording
duration: PT4M28S
duration ms: 268066
explicit: false
by artist: Giacomo Puccini
by artist: Montserrat Caballé
by artist: Bruno Bartoletti
by artist: New Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC1002056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:33:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2bc4a55523279affeae8dbf3db9b8502b82b4ff24c687e9c7a524879379ac2a8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bc4a55523279affeae8dbf3db9b8502b82b4ff24c687e9c7a524879379ac2a8. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC1002056.
  date published: 2026-07-08T03:53:27Z
audio: Manon Lescaut: Manon, senti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.172
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.24
  additional property: Energy
    type: PropertyValue
    value: 0.259
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.081
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.152
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.127
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
type: MusicRecording
duration: PT5M2S
duration ms: 302506
explicit: false
by artist: Giuseppe Verdi
by artist: Carlo Maria Giulini
by artist: Ambrosian Opera Chorus
by artist: Plácido Domingo
by artist: Sherrill Milnes
by artist: Simon Estes
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC0001341
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:33:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd94bc43f7293dee97bd3b3ed7992809de0b217571c0dbefe0e7738942572da60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001341
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd94bc43f7293dee97bd3b3ed7992809de0b217571c0dbefe0e7738942572da60. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC0001341.
  date published: 2026-07-08T03:22:41Z
audio: Verdi: Don Carlo, Act 2: "Dio, che nell'alma infondere amor" (Don Carlo, Rodrigo, Coro, Il Frate)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.835
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.195
  additional property: Energy
    type: PropertyValue
    value: 0.252
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.093
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.106
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.84
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
type: MusicRecording
duration: PT2M59S
duration ms: 179360
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renato Capecchi
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000144
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T05:32:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6411191a4649f82c34ddd5547c4451898cf3523b1093e26c57b326288e4fda5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000144
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6411191a4649f82c34ddd5547c4451898cf3523b1093e26c57b326288e4fda5. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000144.
  date published: 2026-07-08T03:53:27Z
audio: Puccini: Tosca, Act 1: "Dammi i colori... Recondita armonia" (Cavaradossi, Sagrestano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 162.514
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.172
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.051
  additional property: Liveness
    type: PropertyValue
    value: 0.237
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.407
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
type: MusicRecording
duration: PT3M40S
duration ms: 220053
explicit: false
by artist: Giuseppe Verdi
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
genre: classical
genre: opera
isrc code: GBAYC8805148
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:34:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x89730e0f56f07e3eef50c4c3dee6732830a24ed21e14bd2cfcb4dc038a48ec01
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805148
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89730e0f56f07e3eef50c4c3dee6732830a24ed21e14bd2cfcb4dc038a48ec01. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8805148.
  date published: 2026-07-08T03:53:27Z
audio: Verdi: Macbeth, Act 4: Scena. "O figli, o figli miei!" - Aria. "Ah, la paterna mano" (MacDuff)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.996
  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: 0.227
  additional property: Energy
    type: PropertyValue
    value: 0.106
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.078
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
type: MusicRecording
duration: PT7M22S
duration ms: 442146
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renata Scotto
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
  type: MusicAlbum
  date published: 2010-11-08
isrc code: GBAYC8000146
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:33:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x22e7504866f481a5d2f72b40edb9fab5a84b12fd604d019c61239b35f75732e1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000146
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x22e7504866f481a5d2f72b40edb9fab5a84b12fd604d019c61239b35f75732e1. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8000146.
  date published: 2026-07-08T03:53:27Z
audio: Puccini: Tosca, Act 1: "Mario! Mario! Mario!" (Tosca, Cavaradossi)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.55
  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: 0.218
  additional property: Energy
    type: PropertyValue
    value: 0.109
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.552
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.06
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.812
  additional property: Key Name
    type: PropertyValue
    value: C#
  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: PT6M20S
duration ms: 380613
explicit: false
by artist: Giacomo Puccini
by artist: James Levine
by artist: Plácido Domingo
by artist: Renata Scotto
by artist: Philharmonia Orchestra
in album: 100 Best Placido Domingo
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Puccini: Tosca, Act 1: "Ah, quegli occhi" - "Quale occhio al mondo può star di paro" (Tosca, Cavaradossi)
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Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
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duration: PT3M28S
duration ms: 208920
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by artist: Giuseppe Verdi
by artist: Riccardo Muti
by artist: Coro Del Teatro Alla Scala Di Milano
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Alla Scala, Milano
in album: 100 Best Placido Domingo
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genre: classical
genre: opera
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Verdi: Ernani, Act 1: "Dell' esilio, nel dolore" (Ernani, Coro)
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Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
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duration: PT9M57S
duration ms: 597986
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
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  date published: 2010-11-08
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Verdi: Otello, Act 1 Scene 3: "Già nella notte densa … Mio superbo guerrier! … Venga la morte!" (Otello, Desdemona)
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La Traviata: Libiamo, ne' lieti calci (Brindisi)
type: MusicRecording
duration: PT3M38S
duration ms: 218453
explicit: false
by artist: Giuseppe Verdi
by artist: Cheryl Studer
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
by artist: Orch.Of Royal Opera House Covent Garden
in album: 100 Best Placido Domingo
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  date published: 2010-11-08
genre: classical
genre: opera
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: La Traviata: Libiamo, ne' lieti calci (Brindisi)
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Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
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duration: PT4M36S
duration ms: 276160
explicit: false
by artist: Giacomo Puccini
by artist: John Barker
by artist: Plácido Domingo
by artist: Thomas Allen
by artist: Orchestra of the Royal Opera House, Covent Garden
in album: 100 Best Placido Domingo
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additional property: CopyrightID
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Puccini: La bohème, Act 4: "In un coupé" - "O Mimì tu più non torni" (Rodolfo, Marcello)
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  additional property: Mode (Major/Minor)
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Das Land des Lächelns: Dein ist mein ganzes Herz!
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duration: PT3M43S
duration ms: 223346
explicit: false
by artist: Franz Lehár
by artist: Plácido Domingo
by artist: Julius Rudel
by artist: English Chamber Orchestra
in album: 100 Best Placido Domingo
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genre: opera
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additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Das Land des Lächelns: Dein ist mein ganzes Herz!
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Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)
type: MusicRecording
duration: PT1M55S
duration ms: 115346
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Orchestra of the Royal Opera House, Covent Garden
by artist: John Barker
in album: 100 Best Placido Domingo
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  date published: 2010-11-08
isrc code: GBAYC8805153
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Puccini: La fanciulla del West, Act 3: "Ch'ella mi creda libero e lontano" (Johnson)
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  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.967
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.054
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.185
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.538
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Amore
type: MusicAlbum
date published: 2013-01-01
track: La Serenata
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195400
  explicit: false
  by artist: Francesco Paolo Tosti
  by artist: Joseph Calleja
  by artist: BBC Concert Orchestra
  by artist: Steven Mercurio
  in album: Amore
    type: MusicAlbum
    date published: 2013-01-01
  genre: opera
  genre: canzone-napoletana
  isrc code: GBF071300510
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T00:48:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdb1a25a09660d1d092fda317c041617d1adb448ca52a8c5681486f59b0644e4b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957120
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957120
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300510
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb1a25a09660d1d092fda317c041617d1adb448ca52a8c5681486f59b0644e4b. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300510.
    date published: 2026-07-08T03:22:41Z
  audio: La Serenata
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.032
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.19
    additional property: Energy
      type: PropertyValue
      value: 0.366
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.101
    additional property: Liveness
      type: PropertyValue
      value: 0.159
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.23
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.219
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bésame Mucho
  type: MusicRecording
  duration: PT3M11S
  duration ms: 191093
  explicit: false
  by artist: Consuelo Velázquez
  by artist: Joseph Calleja
  by artist: BBC Concert Orchestra
  by artist: Steven Mercurio
  in album: Amore
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: GBF071300520
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T13:48:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8bc1263841bcf3d4a3adc17e3a6054a901e944abd27279f5c4cc8deab85d4bfe
  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/GBF071300520
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bc1263841bcf3d4a3adc17e3a6054a901e944abd27279f5c4cc8deab85d4bfe. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300520.
    date published: 2026-07-02T03:55:08Z
  audio: Bésame Mucho
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 140.187
    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: 0.301
    additional property: Energy
      type: PropertyValue
      value: 0.358
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.963
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.307
    additional property: Liveness
      type: PropertyValue
      value: 0.376
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.386
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.843
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Caruso
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209026
  explicit: false
  by artist: Lucio Dalla
  by artist: Joseph Calleja
  by artist: BBC Concert Orchestra
  by artist: Steven Mercurio
  in album: Amore
    type: MusicAlbum
    date published: 2013-01-01
  isrc code: GBF071300540
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-18T13:49:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0bfccad1be53276b138d89d4849b5621fea3b755150d5d0fe07a832d2ec4d2dc
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Caruso
track: La Vie En Rose
track: Love Theme - From "Cinema Paradiso"
track: You Raise Me Up
track: La Califfa
track: Mattinata
track: Ideale
track: Musica Proibita
track: Core n’grato
track: La Taberna del Puerto - Zarzuela In 3 Acts: "No puede ser"
track: Vaghissima sembianza
track: "Net, tolko tot, kto znal" (None But The Lonely Heart); Op. 6, No. 6
track: "In mir klingt ein Lied" (After Chopin Étude in E major, Op. 10 No. 3)
track: "None But The Lonely Heart", Op. 6, No. 6

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956302

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956302

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300540

OTSTimestamp
type: PropertyValue
value: 2026-07-02T03:30:09Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bfccad1be53276b138d89d4849b5621fea3b755150d5d0fe07a832d2ec4d2dc. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300540.
date published: 2026-07-02T03:30:09Z

Caruso
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 102.936
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.171
additional property: Energy
  type: PropertyValue
  value: 0.343
additional property: Speechiness
  type: PropertyValue
  value: 0.036
additional property: Acousticness
  type: PropertyValue
  value: 0.954
additional property: Instrumentalness
  type: PropertyValue
  value: 0.42
additional property: Liveness
  type: PropertyValue
  value: 0.09
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.166
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.733
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

La Vie En Rose
type: MusicRecording
duration: PT4M12S
duration ms: 252120
explicit: false
by artist: Louiguy
by artist: Joseph Calleja
by artist: Ksenija Sidorova
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300550
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:40:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6aaeec70ba6c1132ce9bb129e95af7b4434685179032cce385f57987cab7218f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300550
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6aaeec70ba6c1132ce9bb129e95af7b4434685179032cce385f57987cab7218f. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300550.
  date published: 2026-07-07T16:07:00Z
audio: La Vie En Rose
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.897
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.228
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.006
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.219
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.838
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Love Theme - From "Cinema Paradiso"
type: MusicRecording
duration: PT3M47S
duration ms: 227120
explicit: false
by artist: Ennio Morricone
by artist: Andrea Morricone
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300560
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T10:03:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x07294b36e036721d11df1e625463b1e0c7951b26ecfbcaad44ad5ee143e764cc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957012
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957012
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300560
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T08:27:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07294b36e036721d11df1e625463b1e0c7951b26ecfbcaad44ad5ee143e764cc. Chain 2 (Bitcoin): anchored in block 957012 (2026-07-07T08:27:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300560.
  date published: 2026-07-07T08:27:05Z
audio: Love Theme - From "Cinema Paradiso"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.279
  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: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.335
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.581
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.141
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.653
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

You Raise Me Up
type: MusicRecording
duration: PT4M52S
duration ms: 292920
explicit: false
by artist: Rolf Løvland
by artist: Joseph Calleja
by artist: Charles Mutter
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300580
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T07:10:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4fd67a2bc5590f48f384456ddfcdea6182fe3949cd417fa054d12cffd6c00493
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4fd67a2bc5590f48f384456ddfcdea6182fe3949cd417fa054d12cffd6c00493. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300580.
  date published: 2026-07-07T18:39:05Z
audio: You Raise Me Up
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.894
  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: 0.21
  additional property: Energy
    type: PropertyValue
    value: 0.229
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.075
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.113
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.442
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Califfa
type: MusicRecording
duration: PT4M23S
duration ms: 263053
explicit: false
by artist: Ennio Morricone
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300590
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T21:43:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd857d053ea11138156dcfba3101d9bd6d58ac5a57d5a7aa5b10671cfd656eab6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300590
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd857d053ea11138156dcfba3101d9bd6d58ac5a57d5a7aa5b10671cfd656eab6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300590.
  date published: 2026-07-08T03:20:19Z
audio: La Califfa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.525
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Mattinata
type: MusicRecording
duration: PT2M44S
duration ms: 164133
explicit: false
by artist: Ruggero Leoncavallo
by artist: Joseph Calleja
by artist: Nicola Benedetti
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBF071300970
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300970
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x900b83a34ada36bf6543005728242fc0e08f1f83720143be19ec4793e14e9c10. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300970.
  date published: 2026-07-06T07:53:57Z
audio: Mattinata
  type: AudioObject
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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Ideale
type: MusicRecording
duration: PT3M50S
duration ms: 230720
explicit: false
by artist: Francesco Paolo Tosti
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
genre: opera
genre: canzone-napoletana
isrc code: GBF071300600
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5176db0b75f140eacef9c094efe9315204cb889117665f9b56882fcd48647b9a. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300600.
  date published: 2026-07-08T03:22:41Z
audio: Ideale
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Musica Proibita
type: MusicRecording
duration: PT3M25S
duration ms: 205200
explicit: false
by artist: Stanislao Gastaldon
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
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  date published: 2013-01-01
genre: opera
isrc code: GBF071300610
additional property: CopyrightID
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300610
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e6c165b75286b8532fa517d1692f9610b9e25d4e9992e8cd211031f6cc605e7. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300610.
  date published: 2026-07-08T03:20:19Z
audio: Musica Proibita
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Core n’grato
type: MusicRecording
duration: PT3M3S
duration ms: 183280
explicit: false
by artist: Salvatore Cardillo
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300620
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300620
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf9033589fc03148ecbbe4b2ca4b3a347f63b4ea9a41953b05493f5b8dea4fe81. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300620.
  date published: 2026-07-08T03:53:27Z
audio: Core n’grato
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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La Taberna del Puerto - Zarzuela In 3 Acts: "No puede ser"
type: MusicRecording
duration: PT2M30S
duration ms: 150386
explicit: false
by artist: Pablo Sorozábal
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
genre: spanish-classical
genre: operetta
genre: zarzuela
isrc code: GBF071300640
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300640
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1106bddd9b71a15c2990a7f5bf9f34fdb7281ccbf2917b74cde4e604caa024bf. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300640.
  date published: 2026-07-08T03:53:27Z
audio: La Taberna del Puerto - Zarzuela In 3 Acts: "No puede ser"
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Vaghissima sembianza
type: MusicRecording
duration: PT3M13S
duration ms: 193826
explicit: false
by artist: Stefano Donaudy
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
  type: MusicAlbum
  date published: 2013-01-01
isrc code: GBF071300650
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300650
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6668097ee38343eb4677fcf75c56f76bc652c8837d2a3ffd0d8befcdfcddc8. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300650.
  date published: 2026-07-08T03:22:41Z
audio: Vaghissima sembianza
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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"Net, tolko tot, kto znal" (None But The Lonely Heart); Op. 6, No. 6
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duration: PT3M37S
duration ms: 217333
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Joseph Calleja
by artist: BBC Concert Orchestra
by artist: Steven Mercurio
in album: Amore
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  date published: 2013-01-01
isrc code: GBF071300660
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300660
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb81fd15f800b207384ca9607e8ff328caa46acf3168abe67c861fd834bda010. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF071300660.
  date published: 2026-07-08T03:22:41Z
audio: "Net, tolko tot, kto znal" (None But The Lonely Heart); Op. 6, No. 6
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    type: PropertyValue
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: "None But The Lonely Heart", Op. 6, No. 6
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La Tabernera del Puerto - Alfredo Kraus
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: La tabernera del puerto, Acto II: Romanza de Juan de Eguía: Chíbiri, chíbiri
track: La tabernera del puerto, Acto II: Romanza de Leandro No puede ser
track: La tabernera del puerto, Acto II: Terceto cómico

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OTSVerificationAPI
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OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

La tabernera del puerto, Acto I: Preludio y escena de la taberna
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: La tabernera del puerto, Acto II: Romanza de Leandro No puede ser
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La tabernera del puerto, Acto II: Terceto cómico
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by artist: Coros Cantores De Madrid
by artist: José Perera
by artist: Leda Barclay
by artist: Orquesta de Conciertos de Madrid
by artist: Enriqueta Serrano
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genre: spanish-classical
genre: operetta
genre: zarzuela
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc641bb7115dce8d91bb88d91be26bd28bc78fe4b4bb45889dc69b69626835b38. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CA5KR1900864.
  date published: 2026-07-08T08:56:20Z
audio: La tabernera del puerto, Acto II: Terceto cómico
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Vivia Sola
type: MusicAlbum
date published: 2014-08-01

Zarzuela: Katiuska
type: MusicAlbum
date published: 2013-12-02

Zarzuela: Don Manolito
type: MusicAlbum
date published: 2013-12-02

Opereta Fantástica: La del Manojo de Rosas
type: MusicAlbum
date published: 2013-10-30

Pablo Sorozábal: Don Manolito [Zarzuela en Dos Actos] (1959)
type: MusicAlbum
date published: 2013-05-24

Pablo Sorozábal: La Tabernera del Puerto [Zarzuela en Tres Actos] (1958)
type: MusicAlbum
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Pablo Sorozábal : Katiuska (1958)
type: MusicAlbum
date published: 2012-12-16
track: Pablo Sorozábal: Katiuska - Vivia Sola
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  by artist: Alfredo Kraus
  by artist: Pilar Lorengar
  by artist: Renato Cesari
  by artist: Enriqueta Serrano
  by artist: Manuel Gas
  by artist: Pablo Sorozábal
  by artist: Madrid Symphony Orchestra
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc5ce02f010155c8636403f058ae36169af02c79fd45231c3afd1e32a530ec77. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRHR11296305.
    date published: 2026-07-08T08:56:20Z
  audio: Pablo Sorozábal: Katiuska - Vivia Sola
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    additional property: Valence (Positivity)
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track: Pablo Sorozábal: Katiuska - La Mujer Rusa
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  by artist: Pilar Lorengar
  by artist: Renato Cesari
  by artist: Enriqueta Serrano
  by artist: Manuel Gas
  by artist: Pablo Sorozábal
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:53:27Z
  audio: Pablo Sorozábal: Katiuska - La Mujer Rusa
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track: Pablo Sorozábal: Katiuska - Noche Hermosa
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  by artist: Pablo Sorozábal
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  subject of: OpenTimestamps Proof of Existence
  audio: Pablo Sorozábal: Katiuska - Noche Hermosa

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe1520635f79f1428ef1fa602f704f10fe29826ab14d2152f99eb66fb7d402a0b. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GRHR11296309.
date published: 2026-07-08T08:56:20Z

Pablo Sorozábal: Katiuska - Noche Hermosa
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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Sorozábal: La Taberna del Puerto
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date published: 1996-01-01
track: La Taberna del Puerto, Act I, Scene 2: Hace Días Te Esperaba (Verdier, Juan de Eguía, Simpson)
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  by artist: Pablo Sorozábal
  by artist: Orquesta Sinfónica de Galicia
  by artist: Victor Pablo Pérez
  by artist: Juan Jesùs Rodriguez
  by artist: Juan Pons
  by artist: Enrique Ba
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    type: MusicAlbum
    date published: 1996-01-01
  genre: spanish-classical
  genre: operetta
  genre: zarzuela
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
  audio: La Taberna del Puerto, Act I, Scene 2: Hace Días Te Esperaba (Verdier, Juan de Eguía, Simpson)
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  by artist: Maria Bayo
  by artist: Rosa Ysás
  by artist: Orfeon Donostiarra
  by artist: Plácido Domingo
  by artist: José Antonio Saenz
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    date published: 1996-01-01
  genre: spanish-classical
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  genre: zarzuela
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  subject of: OpenTimestamps Proof of Existence
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track: La Taberna del Puerto, Act II, Scene 1: Eres Blanca y Hermosa (Marola, Juan, Simpson, Coro de hombres)
track: La Taberna del Puerto, Act II, Scene 2: En un País de Fábula (Marola, Juan, Simpson, Coro de hombres)
track: La Taberna del Puerto, Act II, Scene 3: La Mujer de los Quince a los Veinte (Juan de Eguía)

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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:22:41Z

La Taberna del Puerto, Act I, Scene 5: Aquí Está la Culpable (Marola, Antigua, Mujeres, Leandro)
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La Taberna del Puerto, Act II, Scene 1: Eres Blanca y Hermosa (Marola, Juan, Simpson, Coro de hombres)
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by artist: Orquesta Sinfónica de Galicia
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by artist: Orfeon Donostiarra
by artist: José Antonio Saenz
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genre: spanish-classical
genre: operetta
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La Taberna del Puerto, Act II, Scene 1: Eres Blanca y Hermosa (Marola, Juan, Simpson, Coro de hombres)
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La Taberna del Puerto, Act II, Scene 3: La Mujer de los Quince a los Veinte (Juan de Eguía)
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by artist: Orquesta Sinfónica de Galicia
by artist: Victor Pablo Pérez
by artist: Juan Pons
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genre: spanish-classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La Taberna del Puerto, Act II, Scene 3: La Mujer de los Quince a los Veinte (Juan de Eguía)
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Adiós a la Bohemia
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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despierta negro
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100 Best Operetta
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
track: I'll See You Again (Bitter Sweet) - 1999 Remaster
track: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
track: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster

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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x7e82799aa7752ef8e79e89c143c488da483576658a024eb80075a7dae12aa243

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 957120

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

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602649

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

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7e82799aa7752ef8e79e89c143c488da483576658a024eb80075a7dae12aa243. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602649.
date published: 2026-07-08T03:22:41Z

Zeller: Der Obersteiger, Act 2: "Sei nicht bös" (Martin)
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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I'll See You Again (Bitter Sweet) - 1999 Remaster
type: MusicRecording
duration: PT3M55S
duration ms: 235973
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by artist: Noel Coward
by artist: June Bronhill
by artist: James Hawthorne
by artist: Cyril Ornadel & His Theatre Orchestra
in album: 100 Best Operetta
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popularity: 1
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYE9901619
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d13676cf9fb89f7866f429a62b71927395dcf73361133adbf5b587096a9f971. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYE9901619.
  date published: 2026-07-08T08:56:20Z
audio: I'll See You Again (Bitter Sweet) - 1999 Remaster
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Valence (Positivity)
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Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
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duration: PT5M47S
duration ms: 347320
explicit: false
by artist: Franz Lehár
by artist: Lucia Popp
by artist: Academy of St. Martin in the Fields
by artist: Sir Neville Marriner
by artist: Ambrosian Opera Chorus
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
genre: opera
isrc code: GBAYC8602653
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602653
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37193341d289ffdadcfdef39bd0c73b4b95fd5416182809336270740acd72cb3. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAYC8602653.
  date published: 2026-07-08T03:22:41Z
audio: Lehár: Die lustige Witwe, Act 2: Vilja-Lied. "Es lebt eine Vilja, ein Waldmägdelein" (Hanna)
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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duration: PT4M17S
duration ms: 257440
explicit: false
by artist: Johann Strauss II
by artist: Nicolai Gedda
by artist: Renate Holm
by artist: Brigitte Fassbaender
by artist: Dietrich Fischer-Dieskau
by artist: Chor der Wiener Staatsoper in der Volksoper
by artist: Willi Boskovsky
by artist: Franz Gerstacker
by artist: Wiener Symphoniker
in album: 100 Best Operetta
  type: MusicAlbum
  date published: 2012-10-15
popularity: 2
isrc code: DEA349707430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349707430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b7c6cea35132ebb27721df418cf7f56a1c208c487b3655dc288332d93db895. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEA349707430.
  date published: 2026-07-08T08:56:20Z
audio: Die Fledermaus, Act 2: Klänge der Heimat (Csárdás / Rosalinde) - 1997 Remaster
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  additional property: Musical Key
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Mi Disco de Oro (Remasterizado)
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date published: 1982
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  type: MusicRecording
  duration: PT4M53S
  duration ms: 293933
  explicit: false
  by artist: Luis Cobos
  by artist: Federico Chueca
  by artist: Francisco Alonso
  by artist: Jacinto Guerrero
  by artist: Francísco Alonso López
  by artist: Martinez
  by artist: Ramos Chapi
  by artist: Vicente Lleo
  by artist: Guillermo Perrin
  by artist: Royal Philharmonic Orchestra
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    type: MusicAlbum
    date published: 1982
  popularity: 13
  genre: classical
  genre: orchestra
  isrc code: ES5021702689
  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702689
  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x56c94360a42eee5dd3535e9ae9efb397eb7c10e233953530ae512f43638805da. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702689.
    date published: 2026-07-02T03:55:08Z
  audio: Zarzuela - Remasterizado
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.478
    additional property: Key Name
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    additional property: Mode Name
      type: PropertyValue
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track: Capriccio Russo - Remasterizado
  type: MusicRecording
  duration: PT5M5S
  duration ms: 305973
  explicit: false
  by artist: Traditional
  by artist: Luis Cobos
  by artist: Moscow RTV Symphony Orchestra
  in album: Mi Disco de Oro (Remasterizado)
    type: MusicAlbum
    date published: 1982
  popularity: 11
  genre: bhajan
  genre: gregorian-chant
  genre: medieval
  genre: traditional-music
  isrc code: ES5021702697
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956304
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702697
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8f7150f2e64cf455a2ab44e18610245ad5ea3ff5b7f54d6458757e5837b2a6d. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702697.
    date published: 2026-07-02T03:55:08Z
  audio: Capriccio Russo - Remasterizado
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
      type: PropertyValue
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Danza del Fuego (From "Benamor") - Remasterizado
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229306
  explicit: false
  by artist: Antonio Paso
  by artist: Ricardo Gonzalez Del Toro
  by artist: Pablo Luna
  by artist: Luis Cobos
  by artist: Barry Griffiths
  by artist: The Royal Philarmonic Concert Orchestra
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  additional property: CopyrightID
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  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Danza del Fuego (From "Benamor") - Remasterizado
track: Una Noche de Septiembre - Remasterizado
track: Vienna Concerto - Remasterizado
track: Pasodobles - Remasterizado
track: Sempre Vals - Remasterizado
track: Aria (From "Suite No. 3") - Remasterizado
track: Carmen Passion - Remasterizado
track: Zarzuela 3 - Remasterizado
track: Suite 1700 - Remasterizado
track: México 1 - Remasterizado

The Royal Philarmonic Concert Orchestra
type: MusicGroup

Mi Disco de Oro (Remasterizado)
type: MusicAlbum
date published: 1982

CopyrightID
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CopyrightStatus
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CopyrightRegisteredAt
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CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x23fdbb506bd58e165f7acee7c21a13794f9fa8e41a5295abb58b08efd9e7a1a4

OTSHash
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OTSBitcoinBlock
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value: 956891

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956891

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702690

OTSTimestamp
type: PropertyValue
value: 2026-07-06T07:16:32Z

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

OpenTimestamps Proof of Existence
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encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-06T07:16:32Z

Danza del Fuego (From "Benamor") - Remasterizado
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Una Noche de Septiembre - Remasterizado
type: MusicRecording
duration: PT11M38S
duration ms: 698400
explicit: false
by artist: Luis Cobos
by artist: Aram Khachaturian
by artist: Pyotr Ilyich Tchaikovsky
by artist: Sergei Rachmaninoff
by artist: Moscow RTV Symphony Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: orchestra
isrc code: ES5021702691
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-07-02T11:38:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70d8c21778bda762e1cf9a79f3a6c02304156208fdadbab69e7457af16b0d62d. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702691.
  date published: 2026-07-02T11:38:34Z
audio: Una Noche de Septiembre - Remasterizado
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  additional property: Danceability
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Vienna Concerto - Remasterizado
type: MusicRecording
duration: PT5M33S
duration ms: 333600
explicit: false
by artist: Franz von Suppé
by artist: Johann Strauss I
by artist: Johannes Brahms
by artist: Richard Rodgers
by artist: Wolfgang Amadeus Mozart
by artist: Oscar Hammerstein II
by artist: Luis Cobos
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 15
genre: late-romantic-era
genre: operetta
isrc code: ES5021702699
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702699
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32af8e907547747fe4565ad0c430482ba3d1ef1edd85a714530e89c5d7251870. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702699.
  date published: 2026-07-02T03:30:09Z
audio: Vienna Concerto - Remasterizado
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Pasodobles - Remasterizado
type: MusicRecording
duration: PT5M36S
duration ms: 336866
explicit: false
by artist: Luis Cobos
by artist: Antonio Alvarez
by artist: Eduardo López Juarranz
by artist: Jaime Texidor
by artist: Pascual Marquina
by artist: Alan Jones
by artist: Royal Philharmonic Orchestra
by artist: Ray Simmons
by artist: Barry Griffith
by artist: The Royal Philarmonic Concert Orchestra
by artist: Peter Van Hooke
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 17
genre: classical
genre: orchestra
isrc code: ES5021702692
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702692
additional property: OTSTimestamp
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  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-06-13T17:25:41Z
audio: Pasodobles - Remasterizado
  type: AudioObject
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  additional property: Mode (Major/Minor)
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Sempre Vals - Remasterizado
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duration: PT8M9S
duration ms: 489133
explicit: false
by artist: Johann Strauss II
by artist: Luis Cobos
by artist: Royal Philharmonic Orchestra
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 7
isrc code: ES5021702700
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:50:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9b2791b9f4e2ca12107fb85f633519cc7e1f5d1ecdeeab31e4fa153302cd9ad. Chain 2 (Bitcoin): anchored in block 957075 (2026-07-07T18:50:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702700.
  date published: 2026-07-07T18:50:38Z
audio: Sempre Vals - Remasterizado
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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Aria (From "Suite No. 3") - Remasterizado
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duration: PT4M27S
duration ms: 267466
explicit: false
by artist: Johann Sebastian Bach
by artist: Luis Cobos
by artist: John Giorgiadis
by artist: David Tows
by artist: Sarah B.M. Campbell
by artist: Julia Girwood
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 19
genre: classical
genre: classical-piano
isrc code: ES5021702701
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-09T06:20:55+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25893cbf34e5ec730a7d764b107b475727c52335566969d6ce3a9f6eb426b3c1. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702701.
  date published: 2026-06-13T15:41:10Z
audio: Aria (From "Suite No. 3") - Remasterizado
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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Carmen Passion - Remasterizado
type: MusicRecording
duration: PT5M3S
duration ms: 303666
explicit: false
by artist: Georges Bizet
by artist: Luis Cobos
by artist: Plácido Domingo
by artist: Lola Biagoni
by artist: Alexandra Gordon
by artist: Alison Gordon
by artist: Glenys Groves
by artist: Suzan Maissey
by artist: Juliet Oppenheimer
by artist: Gwyneth Price
by artist: Eryl Royle
by artist: Mary Stevenson
by artist: Glenys Roberts
by artist: Ann Tudor Williams
by artist: Kathleen Wilder
by artist: Patricia Symon
by artist: Margaret Stobart
by artist: Elizabeth Stanford
by artist: Valerie Robinson
by artist: Anne Osborne
by artist: Norma Morgan
by artist: Fernanda Iozzo
by artist: Eileen Hamilton
by artist: Anne Guthre
by artist: Jessica Bonar
by artist: Isobel Bradshaw
by artist: Anna Cooper
by artist: Marybelle Oakes
by artist: Karen Robertson
by artist: Elizabeth Shelley
by artist: Kathleen Smales
by artist: Margarette Williams
by artist: Jane Powell
by artist: Marian Winfield
by artist: Jean Tredway
by artist: Elizabeth Sikora
by artist: Karen Shelby
by artist: Ruth Roberts
by artist: Patricia Purcell
by artist: Nada Pobjoy
by artist: David Barret
by artist: John Strange
by artist: David Young
by artist: John Winfield
by artist: Handel Owen
by artist: James O'Neil
by artist: Tristan Macgregor
by artist: Ignatius McFadyen
by artist: Daniel McCoshan
by artist: John Kerr
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 6
genre: classical
genre: opera
isrc code: ES5021702702
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702702
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x12d7f5a3fa652f16e75bb226837f07f2bb635e0039edcf66beab9af856d9581b. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702702.
  date published: 2026-07-06T07:53:57Z
audio: Carmen Passion - Remasterizado
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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    value: 0.333
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.398
  additional property: Liveness
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    value: 0.101
  additional property: Valence (Positivity)
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Suite 1700 - Remasterizado
type: MusicRecording
duration: PT6M21S
duration ms: 381133
explicit: false
by artist: Antonio Vivaldi
by artist: George Frideric Handel
by artist: Johann Sebastian Bach
by artist: Luis Cobos
by artist: John Giorgiadis
by artist: David Tows
by artist: Sarah B.M. Campbell
by artist: Julia Girwood
in album: Mi Disco de Oro (Remasterizado)
  type: MusicAlbum
  date published: 1982
popularity: 7
isrc code: ES5021702703
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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  date published: 2026-07-06T07:53:57Z
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    date published: 2026-07-02T03:55:08Z
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track: Das Land des Lächelns / Act 2: "Dein ist mein ganzes Herz" (Orch. Klickmann) - Live
track: Rondine al nido - Live
track: Core 'ngrato - Live
track: Torna a Surriento - Live
track: Granada - Live
track: La tabernera del puerto / Act 2: "No puede ser" - Live
track: Andrea Chénier / Act 1: "Un dì all'azzuro spazio" - Live
track: Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
track: Turandot / Act 3: "Nessun dorma!" - Live
track: 'O sole mio - Live
track: Funiculì, funiculà - Live
track: La traviata / Act 1: "Libiamo ne'lieti calici" - Live
track: Sous le ciel de Paris (Arr. Schifrin) - Live
track: El gato montés: Torero quiero ser (Rev. Roa García) - Live
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track: Mattinata - Wien, Wien, nur du allein - Amapola - Live
track: The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live
track: Volare
track: Rigoletto, Act III: La donna è mobile
track: Tosca / Act 1: "Recondita armonia" - Edit
track: Ave Maria, D. 839 (Orch. Gamley)
track: Luisa Miller / Act II: Oh! fede negar potessi - Quando le sere
track: La bohème, Act I: Che gelida manina
track: Pagliacci / Act 1: "Vesti la giubba"
track: Tosca, Act I: Dammi i colori – Recondita armonia
track: L'elisir d'amore / Act II: "Una furtiva lagrima"
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track: Panis Angelicus
track: Funiculì-Funiculà (Orch. Chiaramello)
track: L'ultima canzone
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OpenTimestamps Proof of Existence
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date published: 2026-07-06T07:16:32Z

Tosca, SC 69 / Act 1: "Recondita armonia" - Live
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  value: https://blockstream.info/api/block-height/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040305
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ffbfec5c1fa555eb659716411836c151cdc0fa1e1d75ce02614e9c5bff07fc. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040305.
  date published: 2026-07-06T07:53:57Z
audio: Rondine al nido - Live
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Core 'ngrato - Live
type: MusicRecording
duration: PT3M28S
duration ms: 208240
explicit: false
by artist: Salvatore Cardillo
by artist: José Carreras
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 9
isrc code: GBF079040306
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040306
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e340baa7bb31567d43a1c981cbf9a5a58a83223276f981922086899aabc876b. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040306.
  date published: 2026-07-06T07:16:32Z
audio: Core 'ngrato - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Torna a Surriento - Live
type: MusicRecording
duration: PT2M52S
duration ms: 172093
explicit: false
by artist: Ernesto de Curtis
by artist: Luciano Pavarotti
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 11
genre: canzone-napoletana
genre: electro-swing
isrc code: GBF079040307
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040307
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x430471e7706030098b66d759362a8c3e7eb280ae5ec37f29d92eb831b6f6b680. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040307.
  date published: 2026-07-02T05:09:12Z
audio: Torna a Surriento - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Granada - Live
type: MusicRecording
duration: PT3M41S
duration ms: 221840
explicit: false
by artist: Agustín Lara
by artist: José Carreras
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 11
isrc code: GBF079040308
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T12:47:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66472852140e98e3815379c2772d0f971a3f6812f2a36312f2c805e67bc433b8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040308
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66472852140e98e3815379c2772d0f971a3f6812f2a36312f2c805e67bc433b8. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040308.
  date published: 2026-07-02T11:34:59Z
audio: Granada - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.578
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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La tabernera del puerto / Act 2: "No puede ser" - Live
type: MusicRecording
duration: PT2M43S
duration ms: 163826
explicit: false
by artist: Pablo Sorozábal
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 9
genre: spanish-classical
genre: operetta
genre: zarzuela
isrc code: GBF079040309
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T21:56:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc2bba1a1fad3c9144e2d07d24dcb289727485dc983f249b70db1c751db244c89
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956891
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040309
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:16:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2bba1a1fad3c9144e2d07d24dcb289727485dc983f249b70db1c751db244c89. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040309.
  date published: 2026-07-06T07:16:32Z
audio: La tabernera del puerto / Act 2: "No puede ser" - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.382
  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.305
  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Andrea Chénier / Act 1: "Un dì all'azzuro spazio" - Live
type: MusicRecording
duration: PT5M11S
duration ms: 311840
explicit: false
by artist: Umberto Giordano
by artist: José Carreras
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 6
genre: opera
isrc code: GBF079040310
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040310
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ea76961725646c317077bb3cd346a011dcd11b86e96ecbc8cb518279d8d248c. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040310.
  date published: 2026-07-07T18:39:05Z
audio: Andrea Chénier / Act 1: "Un dì all'azzuro spazio" - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
type: MusicRecording
duration: PT2M40S
duration ms: 160000
explicit: false
by artist: Giacomo Puccini
by artist: Plácido Domingo
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 18
isrc code: GBF079040311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T21:56:29+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040311
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4404e48fa2199672d3b4abe7f681ebb2a968bc1a2d1721ed391751d37750a7e8. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040311.
  date published: 2026-07-02T03:30:09Z
audio: Tosca, SC 69 / Act 3: "E lucevan le stelle" - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.258
  additional property: Energy
    type: PropertyValue
    value: 0.382
  additional property: Speechiness
    type: PropertyValue
    value: 0.051
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.408
  additional property: Key Name
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  additional property: Mode Name
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Turandot / Act 3: "Nessun dorma!" - Live
type: MusicRecording
duration: PT3M5S
duration ms: 185160
explicit: false
by artist: Giacomo Puccini
by artist: Luciano Pavarotti
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 22
isrc code: GBF079040312
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T11:18:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37551e53e452f60df61e18d4a98e4655cb6d116cdb09e4c1affb988e07edbd1e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040312
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37551e53e452f60df61e18d4a98e4655cb6d116cdb09e4c1affb988e07edbd1e. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040312.
  date published: 2026-06-13T15:41:10Z
audio: Turandot / Act 3: "Nessun dorma!" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.961
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.126
  additional property: Energy
    type: PropertyValue
    value: 0.58
  additional property: Speechiness
    type: PropertyValue
    value: 0.11
  additional property: Acousticness
    type: PropertyValue
    value: 0.94
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.008
  additional property: Liveness
    type: PropertyValue
    value: 0.693
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.199
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.716
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
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'O sole mio - Live
type: MusicRecording
duration: PT2M53S
duration ms: 173506
explicit: false
by artist: Eduardo di Capua
by artist: Alfredo Mazzucchi
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 13
isrc code: GBF079040316
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T23:00:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x833b13cd404c8732f1898c2d1f3e95b0cb63ef37fc7fd0af279a9f4849db2684
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/GBF079040316
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x833b13cd404c8732f1898c2d1f3e95b0cb63ef37fc7fd0af279a9f4849db2684. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040316.
  date published: 2026-07-02T03:55:08Z
audio: 'O sole mio - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.811
  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: 0.212
  additional property: Energy
    type: PropertyValue
    value: 0.478
  additional property: Speechiness
    type: PropertyValue
    value: 0.065
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.702
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.329
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.689
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Turandot / Act 3: "Nessun dorma!" - Live
type: MusicRecording
duration: PT3M30S
duration ms: 210160
explicit: false
by artist: Giacomo Puccini
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 11
isrc code: GBF079040317
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-04T16:36:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1e5a5be2128d68a1f1beeda8c38174757236a2aa780c3d353cbf6bee02ec3c4a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040317
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5a5be2128d68a1f1beeda8c38174757236a2aa780c3d353cbf6bee02ec3c4a. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079040317.
  date published: 2026-07-02T05:09:12Z
audio: Turandot / Act 3: "Nessun dorma!" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.962
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.222
  additional property: Energy
    type: PropertyValue
    value: 0.494
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.696
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.205
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.37
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Funiculì, funiculà - Live
type: MusicRecording
duration: PT1M21S
duration ms: 81933
explicit: false
by artist: Luigi Denza
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Los Angeles Philharmonic
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 30
genre: italian-romanticism
genre: post-romantic-era
genre: canzone-napoletana
isrc code: USWI19400016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:20:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f511cc0119f4862ff968510665de7c41d4257988caba81e1d36945794fac23f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f511cc0119f4862ff968510665de7c41d4257988caba81e1d36945794fac23f. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400016.
  date published: 2026-06-13T17:25:41Z
audio: Funiculì, funiculà - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.619
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
    type: PropertyValue
    value: 0.627
  additional property: Speechiness
    type: PropertyValue
    value: 0.841
  additional property: Acousticness
    type: PropertyValue
    value: 0.934
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.142
  additional property: Liveness
    type: PropertyValue
    value: 0.922
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.736
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La traviata / Act 1: "Libiamo ne'lieti calici" - Live
type: MusicRecording
duration: PT3M5S
duration ms: 185840
explicit: false
by artist: Giuseppe Verdi
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Los Angeles Music Center Opera Chorus
by artist: Los Angeles Philharmonic
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 28
genre: classical
genre: opera
isrc code: USWI19400027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T16:21:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e95c17fd485573aba6f3ad450068ba7559c146fff7cbdf9bcc392fa9ef39ccb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400027
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e95c17fd485573aba6f3ad450068ba7559c146fff7cbdf9bcc392fa9ef39ccb. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400027.
  date published: 2026-06-13T12:53:06Z
audio: La traviata / Act 1: "Libiamo ne'lieti calici" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.165
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.348
  additional property: Speechiness
    type: PropertyValue
    value: 0.097
  additional property: Acousticness
    type: PropertyValue
    value: 0.958
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.962
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.524
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.759
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sous le ciel de Paris (Arr. Schifrin) - Live
type: MusicRecording
duration: PT1M53S
duration ms: 113400
explicit: false
by artist: Hubert Yves Adrien Giraud
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 8
isrc code: GBF079810430
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:58:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x68413fed6f8a352ee96cc6995de08a3cb91c4c44551de7cdd0abadcb20767888
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810430
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x68413fed6f8a352ee96cc6995de08a3cb91c4c44551de7cdd0abadcb20767888. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810430.
  date published: 2026-07-07T18:39:05Z
audio: Sous le ciel de Paris (Arr. Schifrin) - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 141.299
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.277
  additional property: Energy
    type: PropertyValue
    value: 0.343
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.92
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.026
  additional property: Liveness
    type: PropertyValue
    value: 0.875
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.649
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.231
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

El gato montés: Torero quiero ser (Rev. Roa García) - Live
type: MusicRecording
duration: PT1M9S
duration ms: 69666
explicit: false
by artist: Manuel Penella
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 8
genre: flamenco
isrc code: GBF079810460
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T18:57:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x485710aca42ef9bedf075d582d4129aa5bd2f1449aecccb0ed6ec12f2851916d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957052
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957052
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810460
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T14:50:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x485710aca42ef9bedf075d582d4129aa5bd2f1449aecccb0ed6ec12f2851916d. Chain 2 (Bitcoin): anchored in block 957052 (2026-07-07T14:50:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810460.
  date published: 2026-07-07T14:50:41Z
audio: El gato montés: Torero quiero ser (Rev. Roa García) - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.208
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.268
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.918
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.166
  additional property: Liveness
    type: PropertyValue
    value: 0.948
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.845
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.746
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Parlami d'amore, Mariù (Arr. Schifrin) - Live
type: MusicRecording
duration: PT2M49S
duration ms: 169666
explicit: false
by artist: Cesare Andrea Bixio
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 9
isrc code: GBF079810470
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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  value: 2026-06-08T09:52:15+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xbd07862fd60550da75706260386ef3a3e0156ca8f4ebc8dee1d08b4b0adb9b1a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957043
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957043
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810470
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T13:52:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd07862fd60550da75706260386ef3a3e0156ca8f4ebc8dee1d08b4b0adb9b1a. Chain 2 (Bitcoin): anchored in block 957043 (2026-07-07T13:52:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810470.
  date published: 2026-07-07T13:52:39Z
audio: Parlami d'amore, Mariù (Arr. Schifrin) - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.184
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Lolita (Arr. Schifrin) - Live
type: MusicRecording
duration: PT2M38S
duration ms: 158666
explicit: false
by artist: Arturo Buzzi-Peccia
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 6
isrc code: GBF079810580
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810580
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6046eec26a5ff26179f9711c1ce0450e54d2b11a569f3043e972e7a3d487abae. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810580.
  date published: 2026-07-08T03:22:41Z
audio: Lolita (Arr. Schifrin) - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.314
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Dicitencello vuie (Arr. Schifrin) - Live
type: MusicRecording
duration: PT3M37S
duration ms: 217493
explicit: false
by artist: Rodolfo Falvo
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 5
genre: canzone-napoletana
isrc code: GBF079810600
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T16:27:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb462d91ea06f7f34bfeb6ce2d6436f9516be8b6805fed2cf4387bf33286a154f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810600
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T18:39:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb462d91ea06f7f34bfeb6ce2d6436f9516be8b6805fed2cf4387bf33286a154f. Chain 2 (Bitcoin): anchored in block 957073 (2026-07-07T18:39:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810600.
  date published: 2026-07-07T18:39:05Z
audio: Dicitencello vuie (Arr. Schifrin) - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.261
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Core 'ngrato (Arr, Schifrin) - Live
type: MusicRecording
duration: PT3M33S
duration ms: 213666
explicit: false
by artist: Salvatore Cardillo
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestre de Paris
by artist: James Levine
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 6
isrc code: GBF079810610
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T03:00:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd92f14008c2a26694e7a2895a38df75791681f9d3302ec57e9f3251b2f0aca1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957084
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957084
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810610
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T20:41:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd92f14008c2a26694e7a2895a38df75791681f9d3302ec57e9f3251b2f0aca1. Chain 2 (Bitcoin): anchored in block 957084 (2026-07-07T20:41:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079810610.
  date published: 2026-07-07T20:41:57Z
audio: Core 'ngrato (Arr, Schifrin) - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.51
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.126
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.946
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.057
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.103
  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
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Mattinata - Wien, Wien, nur du allein - Amapola - Live
type: MusicRecording
duration: PT5M49S
duration ms: 349173
explicit: false
by artist: Ruggero Leoncavallo
by artist: Rudolf Sieczynski
by artist: Joseph Maria Lacalle
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Orchestra del Maggio Musicale Fiorentino
by artist: Orchestra Del Teatro Dell'Opera Di Roma
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 13
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: GBBBA9050061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T19:08:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3425ae95104a90354f89217b5f099d4c7149ece50390870fbab678b84aa058bc
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/GBBBA9050061
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3425ae95104a90354f89217b5f099d4c7149ece50390870fbab678b84aa058bc. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA9050061.
  date published: 2026-07-02T03:55:08Z
audio: Mattinata - Wien, Wien, nur du allein - Amapola - Live
  type: AudioObject
  additional property: Tempo (BPM)
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  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: 0.311
  additional property: Energy
    type: PropertyValue
    value: 0.341
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.935
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.954
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.272
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.33
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live
type: MusicRecording
duration: PT2M37S
duration ms: 157200
explicit: false
by artist: Franz Lehár
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Los Angeles Philharmonic
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 12
genre: opera
isrc code: USWI19400021
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T02:45:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x279caaefc207bf909cb3016243cba96b4f7842e895f3dc7e7d4867005e8ea2fd
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400021
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279caaefc207bf909cb3016243cba96b4f7842e895f3dc7e7d4867005e8ea2fd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400021.
  date published: 2026-07-08T03:20:19Z
audio: The Merry Widow (Die lustige Witwe) / Act 2: Lippen schweigen - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  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: 0.233
  additional property: Energy
    type: PropertyValue
    value: 0.255
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.948
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.113
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.273
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.544
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Torna a Surriento - Live
type: MusicRecording
duration: PT3M36S
duration ms: 216906
explicit: false
by artist: Ernesto de Curtis
by artist: José Carreras
by artist: Plácido Domingo
by artist: Luciano Pavarotti
by artist: Los Angeles Philharmonic
by artist: Zubin Mehta
in album: The Three Tenors - In Concert, Rome 1990 (And Selected Highlights)
  type: MusicAlbum
  date published: 2020-07-04
popularity: 21
genre: canzone-napoletana
genre: electro-swing
isrc code: USWI19400025
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T19:09:22+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400025
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd0f1806bc796538e0a379ad55a925edd9bd618b09609fcd749a6bdd390b3b63. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USWI19400025.
  date published: 2026-06-13T15:41:10Z
audio: Torna a Surriento - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
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Volare
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subject of: OpenTimestamps Proof of Existence
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Rigoletto, Act III: La donna è mobile
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subject of: OpenTimestamps Proof of Existence
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Tosca / Act 1: "Recondita armonia" - Edit
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 1: "Recondita armonia" - Edit
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Ave Maria, D. 839 (Orch. Gamley)
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subject of: OpenTimestamps Proof of Existence
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audio: Ave Maria, D. 839 (Orch. Gamley)
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Luisa Miller / Act II: Oh! fede negar potessi - Quando le sere
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genre: classical
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Luisa Miller / Act II: Oh! fede negar potessi - Quando le sere
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La bohème, Act I: Che gelida manina
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by artist: Herbert von Karajan
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subject of: OpenTimestamps Proof of Existence
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audio: La bohème, Act I: Che gelida manina
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Pagliacci / Act 1: "Vesti la giubba"
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audio: Pagliacci / Act 1: "Vesti la giubba"
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Tosca, Act I: Dammi i colori – Recondita armonia
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by artist: Philharmonia Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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L'elisir d'amore / Act II: "Una furtiva lagrima"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: L'elisir d'amore / Act II: "Una furtiva lagrima"
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Granada
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Granada
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Panis Angelicus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Panis Angelicus
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Funiculì-Funiculà (Orch. Chiaramello)
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genre: italian-romanticism
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Funiculì-Funiculà (Orch. Chiaramello)
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L'ultima canzone
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  date published: 2026-07-02T03:30:09Z
audio: L'ultima canzone
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Martha, Act III: M'appari
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audio: Martha, Act III: M'appari
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La traviata / Act 1: "Libiamo ne' lieti calici" (Brindisi)
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by artist: Luciano Pavarotti
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  date published: 2026-07-06T06:56:49Z
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Ten Top Tenors
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track: Turandot / Act 3: "Nessun dorma!" - Remastered
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    date published: 2026-07-08T03:20:19Z
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