Maria Bayo
type: MusicGroup
genre: opera
popularity: 22
followers: 2683
additional property: CopyrightID
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: OTSProofURL
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additional property: OTSRecordURL
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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. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x580132a5d836fbd52b46a39cd54ba25e1344a38141ba958934451576f21ab83f. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/26de0d82-6503-4f1b-9ccb-ddc5bd818659.json and https://artists.proofprofile.net/proofs/artist/26de0d82-6503-4f1b-9ccb-ddc5bd818659.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
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album: Marie-Joseph Canteloube: Chants d'Auvergne et chants des Pays Basques
  type: MusicAlbum
  date published: 1998-01-01
  track: Baïlèro
    type: MusicRecording
    duration: PT7M6S
    duration ms: 426866
    explicit: false
    by artist: Joseph Canteloube
    by artist: Maria Bayo
    by artist: Orquesta Sinfonica De Tenerife
    by artist: Victor Pablo Pérez
    in album: Marie-Joseph Canteloube: Chants d'Auvergne et chants des Pays Basques
      type: MusicAlbum
      date published: 1998-01-01
    popularity: 13
    genre: early-modern-classical
    genre: post-romantic-era
    isrc code: FR10S1798087
    additional property: CopyrightID
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1798087
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T03:30:09Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a49c76f9673349687eabdb8e5638a273fb9aa5229d479947aff5015854f5503. 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/FR10S1798087.
      date published: 2026-07-02T03:30:09Z
    audio: Baïlèro
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 106.868
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      additional property: Mode (Major/Minor)
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        type: PropertyValue
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      additional property: Danceability
        type: PropertyValue
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      additional property: Speechiness
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        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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album: Arias de Zarzuela Barroca
  type: MusicAlbum
  date published: 2008-04-01
album: Mélancolie
  type: MusicAlbum
  date published: 2005
  track: Madrigali amorosi: No. 9, Canzonetta by Rinuccini, Lamento della Ninfa (extrait)
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    by artist: Concerto Italiano
    by artist: Rinaldo Alessandrini
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      type: MusicAlbum
      date published: 2005
    genre: classical
    genre: early-music
    genre: baroque
    genre: italian-baroque
    genre: italian-renaissance
    genre: madrigal
    genre: renaissance
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    additional property: OTSVerificationAPI
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      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ130948200
    additional property: OTSTimestamp
      type: PropertyValue
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf763e0ddd4561ae94fd0cee00b40ac6b3c4fe17d5e132d6b02f2a88566c6e540. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our 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/FRZ130948200.
      date published: 2026-06-13T12:47:07Z
    audio: Madrigali amorosi: No. 9, Canzonetta by Rinuccini, Lamento della Ninfa (extrait)
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      additional property: Tempo (BPM)
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      additional property: Musical Key
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      additional property: Mode (Major/Minor)
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      additional property: Danceability
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      additional property: Liveness
      additional property: Valence (Positivity)
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album: Albéniz, Falla, Poulenc, Ravel, Rodrigo & Satie: Paris Barcelone - From Gaudi to Miro
album: Sorozábal: La Taberna del Puerto
album: Esprit baroque
album: Baroque Opera
album: René Jacobs by Himself
album: Boccherini, Soler, Nebra & Hita: Arias de zarzuela barroca
album: Rossini: Highlights from his early One-Act Operas
album: Viva la Zarzuela !
album: España: Albéniz, Falla, Gerhard, Granados, Rodrigo
album: Plácido Domingo, María Bayo: Romanzas
album: Bohemios
album: Rossini: Bianca E Falliero
album: Rossini: L'occasione fa il ladro, Early One-Act Operas, Vol. 3/5
album: Gluck: L'Innocenza giustificata
album: Haendel: Opera Arias & Cantatas
album: Arias de Ópera: Cancione
album: Doña Francisquita
album: El Barberillo de Lavapies
album: Arrieta: Marina
album: Mozart: Exsultate, Jubilate (Arias)
album: Exsultate jubilate: Dix siècles de musique sacrée
album: Voices
album: Les musiques de Picasso
album: Traetta: Antigona
album: Reflejos
album: Antón García Abril: Variaciones
album: Antón García Abril: Canción Española de Concierto (Volumen 3)
album: Palomo, L.: My Secluded Garden / Madrigal and 5 Sephardic Songs / Concierto De Cienfuegos
album: Rossini: Opera arie e sinfonie
album: Granados: Goyescas
album: Cavalli: La Calisto
album: Turina: Vol. III. Selected Chamber Music
album: Canciones Españolas
album: La Verbena de la Paloma
album: Vivaldi: Le quattro stagioni
album: Basque Music Collection, Vol. III: Jesus Arambarri
album: Sounds of The Basque Country

Danceability
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value: 0.302

Energy
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value: 0.013

Speechiness
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value: 0.047

Acousticness
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value: 0.898

Instrumentalness
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value: 0

Liveness
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value: 0.072

Valence (Positivity)
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value: 0.069

Loudness (dB)
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Key Name
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Mode Name
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Albéniz, Falla, Poulenc, Ravel, Rodrigo & Satie: Paris Barcelone - From Gaudi to Miro
type: MusicAlbum
date published: 2001

Sorozábal: La Taberna del Puerto
type: MusicAlbum
date published: 1996-01-01
track: La Taberna del Puerto, Act II, Scene 2: En un País de Fábula (Marola, Juan, Simpson, Coro de hombres)
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  duration: PT4M14S
  duration ms: 254066
  explicit: false
  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
  isrc code: FR2X41717941
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
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  additional property: OTSVerificationAPI
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    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR2X41717941
  additional property: OTSTimestamp
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    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x523dc99c142fc6de6f432ffd1f24559e44d3981ffcdbf51d1941e8b876cc6c73. 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/FR2X41717941.
    date published: 2026-07-02T03:55:08Z
  audio: La Taberna del Puerto, Act II, Scene 2: En un País de Fábula (Marola, Juan, Simpson, Coro de hombres)
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    additional property: Tempo (BPM)
      type: PropertyValue
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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
      type: PropertyValue
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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: Key Name
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Esprit baroque
type: MusicAlbum
date published: 2009-03-23

Baroque Opera
type: MusicAlbum
date published: 2012-12-03
track: King Arthur: Act III, scene 2: Cold Song. Genius : "What Power art thou"
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  duration: PT3M34S
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  by artist: Maurice Bevan
  by artist: Alfred Deller
  by artist: The King’s Musick
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    type: MusicAlbum
    date published: 2012-12-03
  genre: classical
  genre: choral
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  additional property: OTSHash
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfff61e29053a083a824282c24231f5ca9a9507003bb38d1d4921614d9cf38927. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ147801071.
    date published: 2026-06-13T13:32:09Z
  audio: King Arthur: Act III, scene 2: Cold Song. Genius : "What Power art thou"
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Danceability
      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
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Griselda: Act II, scene 1: Griselda : "Mi rivedi, o selva ombrosa"
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  by artist: Dorothea Röschmann
  by artist: René Jacobs
  by artist: Akademie für Alte Musik Berlin
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    type: MusicAlbum
    date published: 2012-12-03
  genre: classical
  genre: italian-opera
  genre: early-music
  genre: baroque
  genre: italian-baroque
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  additional property: CopyrightID
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x426f176657b253e86ad3d5364d9caa268ea81a5f46def249f393179f9d18a4a9. 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/FRZ140230011.
    date published: 2026-07-02T03:30:09Z
  audio: Griselda: Act II, scene 1: Griselda : "Mi rivedi, o selva ombrosa"
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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
      type: PropertyValue
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    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.054
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.127
    additional property: Key Name
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      value: B
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René Jacobs by Himself
type: MusicAlbum
date published: 2007-07-31

Boccherini, Soler, Nebra & Hita: Arias de zarzuela barroca
type: MusicAlbum
date published: 2003

Rossini: Highlights from his early One-Act Operas
type: MusicAlbum
date published: 2015-08-23

Viva la Zarzuela !
type: MusicAlbum
date published: 1996-01-01
track: Doña Francisquita: Coro de Románticos
  type: MusicRecording
  duration: PT5M53S
  duration ms: 353533
  explicit: false
  by artist: Amadeo Vives
  by artist: Maria Bayo
  by artist: Orquesta Sinfonica De Tenerife
  by artist: Antonio Ros Marbà
  by artist: Coro Polifonico De La Universidad De La Laguna
  in album: Viva la Zarzuela !
    type: MusicAlbum
    date published: 1996-01-01
  isrc code: FRZ139310530
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-19T10:11:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x00df93a5d3231e67bd091768b03d21ae492b7a3f770f63697fed8d738959c3eb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139310530
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00df93a5d3231e67bd091768b03d21ae492b7a3f770f63697fed8d738959c3eb. 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/FRZ139310530.
    date published: 2026-07-02T03:30:09Z
  audio: Doña Francisquita: Coro de Románticos
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 118.377
    additional property: Musical Key
      type: PropertyValue
      value: 3
    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
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: Bohemios: Coro de Bohemios
  type: MusicRecording
  duration: PT2M46S
  duration ms: 166893
  explicit: false
  by artist: Amadeo Vives
  by artist: Maria Bayo
  by artist: Orquesta Sinfonica De Tenerife
  by artist: Antonio Ros Marbà
  by artist: Coro Polifonico De La Universidad De La Laguna
  by artist: Coral Universitaria De La Laguna
  by artist: Coral "reyes Bartlet" De Puerto De La Cruz
  in album: Viva la Zarzuela !
    type: MusicAlbum
    date published: 1996-01-01
  isrc code: FRZ139311384
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x7acfc67ea736f7aaf52025db45080493636646144883f3f58ec0919269b554f8
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  additional property: OTSBitcoinBlock
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956302
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139311384
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7acfc67ea736f7aaf52025db45080493636646144883f3f58ec0919269b554f8. 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/FRZ139311384.
    date published: 2026-07-02T03:30:09Z
  audio: Bohemios: Coro de Bohemios
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.513
    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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      value: 0.976
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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      value: 0.351
    additional property: Loudness (dB)
      type: PropertyValue
      value: -16.982
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
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      value: Major
track: El Barberillo de Lavapies: Jota de los Estudiantes
  type: MusicRecording
  duration: PT5M12S
  duration ms: 312173
  explicit: false
  by artist: Francisco Asenjo Barbieri
  by artist: Maria Bayo
  by artist: Antonio Ros Marbà
  by artist: Orquesta Sinfónica de Madrid
  by artist: Carlos Javier Mendez
  by artist: Javier Medina
  by artist: Arturo Guanche
  in album: Viva la Zarzuela !
    type: MusicAlbum
    date published: 1996-01-01
  isrc code: FRZ139410880
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: El Barberillo de Lavapies: Jota de los Estudiantes
track: El Barberillo de Lavapies: Entrada de Paloma
track: Luisa Fernanda: Mazurka de las Sombrillas

CopyrightRegisteredAt
type: PropertyValue
value: 2026-06-18T15:15:57+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xaf1b0252bf98d1223592bad4f87614dc453630aec0305ac8c679df7c953f19e5

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/FRZ139410880

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1b0252bf98d1223592bad4f87614dc453630aec0305ac8c679df7c953f19e5. 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/FRZ139410880.
date published: 2026-07-02T03:30:09Z

El Barberillo de Lavapies: Jota de los Estudiantes
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 118.736
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
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additional property: Energy
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additional property: Speechiness
  type: PropertyValue
  value: 0.044
additional property: Acousticness
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additional property: Instrumentalness
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  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.221
additional property: Valence (Positivity)
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  value: 0.289
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.784
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
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El Barberillo de Lavapies: Entrada de Paloma
type: MusicRecording
duration: PT3M6S
duration ms: 186266
explicit: false
by artist: Francisco Asenjo Barbieri
by artist: Maria Bayo
by artist: Antonio Ros Marbà
by artist: Orquesta Sinfónica de Madrid
by artist: Lola Casariego
in album: Viva la Zarzuela !
  type: MusicAlbum
  date published: 1996-01-01
isrc code: FRZ139410850
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x86498ca0a106320e88fb3eb5346ea7f766d226de8c5fe4630871eafafbae5fe5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139410850
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86498ca0a106320e88fb3eb5346ea7f766d226de8c5fe4630871eafafbae5fe5. 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/FRZ139410850.
  date published: 2026-07-02T03:30:09Z
audio: El Barberillo de Lavapies: Entrada de Paloma
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.534
  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
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.178
  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
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Luisa Fernanda: Mazurka de las Sombrillas
type: MusicRecording
duration: PT4M40S
duration ms: 280826
explicit: false
by artist: Federico Moreno Torroba
by artist: Plácido Domingo
by artist: Maria Bayo
by artist: Orquesta Sinfonica De Tenerife
by artist: Antonio Ros Marbà
by artist: Ana Rodrigo
in album: Viva la Zarzuela !
  type: MusicAlbum
  date published: 1996-01-01
isrc code: FRZ139500564
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T23:01:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5739232dfc371113852bc13b3a26e923ba13c86448f00515185f17c2a046d9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ139500564
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5739232dfc371113852bc13b3a26e923ba13c86448f00515185f17c2a046d9a. 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/FRZ139500564.
  date published: 2026-07-02T03:30:09Z
audio: Luisa Fernanda: Mazurka de las Sombrillas
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.039
  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: 0.315
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.056
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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España: Albéniz, Falla, Gerhard, Granados, Rodrigo
type: MusicAlbum
date published: 1999-01-01
track: Cantos de España, Op. 232: No. 5, Seguidillas
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  duration: PT3M2S
  duration ms: 182346
  explicit: false
  by artist: Isaac Albéniz
  by artist: Rafael Orozco
  in album: España: Albéniz, Falla, Gerhard, Granados, Rodrigo
    type: MusicAlbum
    date published: 1999-01-01
  genre: classical
  genre: classical-piano
  isrc code: FRX201662634
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T14:23:38+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
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9e61b1dbcdc819511e6e94d2697163a1fef2072bc8742ec2f4fce51028ca0be8. Chain 2 (Bitcoin): anchored in block 959144 (2026-07-22T15:38:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX201662634.
    date published: 2026-07-22T15:38:35Z
  audio: Cantos de España, Op. 232: No. 5, Seguidillas
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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
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Plácido Domingo, María Bayo: Romanzas
type: MusicAlbum
date published: 1997-01-01

Bohemios
type: MusicAlbum
date published: 1994-01-01

Rossini: Bianca E Falliero
type: MusicAlbum
date published: 2005-01-01

Rossini: L'occasione fa il ladro, Early One-Act Operas, Vol. 3/5
type: MusicAlbum
date published: 1992-01-01

Gluck: L'Innocenza giustificata
type: MusicAlbum
date published: 2004-02-27

Haendel: Opera Arias & Cantatas
type: MusicAlbum
date published: 2007-04-03
track: Da Tempeste Il Legno Infranto (Cleopatre, Giulio Cesare)
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  duration: PT5M57S
  duration ms: 357266
  explicit: false
  by artist: George Frideric Handel
  by artist: Maria Bayo
  by artist: Capriccio Stravagante
  by artist: Skip Sempé
  in album: Haendel: Opera Arias & Cantatas
    type: MusicAlbum
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Arias de Ópera: Cancione
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Doña Francisquita
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El Barberillo de Lavapies
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Arrieta: Marina
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Mozart: Exsultate, Jubilate (Arias)
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Exsultate jubilate: Dix siècles de musique sacrée
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Voices
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Les musiques de Picasso
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Traetta: Antigona
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Reflejos
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Antón García Abril: Variaciones
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Antón García Abril: Canción Española de Concierto (Volumen 3)
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Palomo, L.: My Secluded Garden / Madrigal and 5 Sephardic Songs / Concierto De Cienfuegos
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Rossini: Opera arie e sinfonie
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Granados: Goyescas
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Cavalli: La Calisto
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Turina: Vol. III. Selected Chamber Music
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Canciones Españolas
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:55:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc0b1daca0a28a6a4cf3346a2d25546f6ef3b28e196329a48f37c30d85fd6ad1. 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/USA560679145.
    date published: 2026-07-02T03:55:08Z
  audio: La mi sola, Laureola…
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 163.325
    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: 0.253
    additional property: Energy
      type: PropertyValue
      value: 0.006
    additional property: Speechiness
      type: PropertyValue
      value: 0.05
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.002
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.066
    additional property: Loudness (dB)
      type: PropertyValue
      value: -35.076
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

La Verbena de la Paloma
type: MusicAlbum
date published: 1994-01-01
track: La Verbena de la Paloma, Act I: Prélude
  type: MusicRecording
  duration: PT4M28S
  duration ms: 268066
  explicit: false
  by artist: Tomás Bretón
  by artist: Antoni Ros Marbá
  by artist: Orquesta Sinfónica de Madrid
  in album: La Verbena de la Paloma
    type: MusicAlbum
    date published: 1994-01-01
  genre: spanish-classical
  genre: zarzuela
  isrc code: FR10S1754986
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-11T06:28:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd978654f1147f1fd26c2a805923f13ebafab95cdcfc21ac343730a4ea8cddde7
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 953520
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/953520
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754986
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-06-13T13:32:09Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd978654f1147f1fd26c2a805923f13ebafab95cdcfc21ac343730a4ea8cddde7. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754986.
    date published: 2026-06-13T13:32:09Z
  audio: La Verbena de la Paloma, Act I: Prélude
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 115.061
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.217
    additional property: Energy
      type: PropertyValue
      value: 0.048
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.973
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.816
    additional property: Liveness
      type: PropertyValue
      value: 0.167
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.078
    additional property: Loudness (dB)
      type: PropertyValue
      value: -27.181
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Verbena de la Paloma, Act I: Parlato et scène (Hilarión, Sebastián, Julián, Rita, Tabernero, Mozo 1, Mozo 2)
  type: MusicRecording
  duration: PT4M15S
  duration ms: 255826
  explicit: false
  by artist: Tomás Bretón
  by artist: Rafael Castejon
  by artist: Jesús Castejón
  by artist: Plácido Domingo
  by artist: Raquel Pierotti
  by artist: Alfonso Echeverria
  by artist: Ramón de Andrés
  by artist: Martín Grijalba
  by artist: Antoni Ros Marbá
  by artist: Orquesta Sinfónica de Madrid
  in album: La Verbena de la Paloma
    type: MusicAlbum
    date published: 1994-01-01
  genre: spanish-classical
  genre: zarzuela
  isrc code: FR10S1754987
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T13:41:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5d242212d8ed8923d3f74c2770366dba88d6c8a44f23749b865dd5e3a2fd3319
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959137
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959137
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754987
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T16:45:08Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d242212d8ed8923d3f74c2770366dba88d6c8a44f23749b865dd5e3a2fd3319. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T16:45:08Z), 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/FR10S1754987.
    date published: 2026-07-22T16:45:08Z
  audio: La Verbena de la Paloma, Act I: Parlato et scène (Hilarión, Sebastián, Julián, Rita, Tabernero, Mozo 1, Mozo 2)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 151.708
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.44
    additional property: Energy
      type: PropertyValue
      value: 0.245
    additional property: Speechiness
      type: PropertyValue
      value: 0.054
    additional property: Acousticness
      type: PropertyValue
      value: 0.979
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.363
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.572
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: La Verbena de la Paloma, Act I: Chanson de Julián (Julián, Rita, Hilarión, Sebastián, Tabernero, Mozos, Portero, Portera, Chœur)
  type: MusicRecording
  duration: PT4M32S
  duration ms: 272333
  explicit: false
  by artist: Tomás Bretón
  by artist: Plácido Domingo
  by artist: Raquel Pierotti
  by artist: Rafael Castejon
  by artist: Jesús Castejón
  by artist: Alfonso Echeverria
  by artist: Ramón de Andrés
  by artist: Martín Grijalba
  by artist: Juan Jesùs Rodriguez
  by artist: Luisa Maesso
  by artist: Antoni Ros Marbá
  by artist: Coro De La Comunidad De Madrid
  by artist: Miguel Groba
  by artist: Orquesta Sinfónica de Madrid
  in album: La Verbena de la Paloma
  genre: spanish-classical
  genre: zarzuela
  isrc code: FR10S1754988
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Verbena de la Paloma, Act I: Chanson de Julián (Julián, Rita, Hilarión, Sebastián, Tabernero, Mozos, Portero, Portera, Chœur)
track: La Verbena de la Paloma, Act I: La Virgen de la Paloma (Chœur)
track: La Verbena de la Paloma, Act I: Couplets de Don Hilarión (Hilarón)
track: La Verbena de la Paloma, Act I: Soledad (Cantaora, Guardia 1, Guardia 2, Antonia, Casta, Susana, Vecina, Vecino)
track: La Verbena de la Paloma, Act I: Gigolettes et Don Hilarón (Hilarón, Casta, Susana, Antonia)
track: La Verbena de la Paloma, Act I: Mazurka (Casta, Susana, Antonia, Hilarión)
track: La Verbena de la Paloma, Act I: Rita y Julián (Rita, Julián, Guardia 1, Guardia 2, Casta, Susana, Antonia, Hilarión)
track: La Verbena de la Paloma, Act I: Habanera Concertante (Julián, Susana, Rita, Hilarión, Antonia, Casta, Guardias, Tabernero, Sereno, Chœur)

Luisa Maesso
type: MusicGroup

Antoni Ros Marbá
type: MusicGroup

Coro De La Comunidad De Madrid
type: MusicGroup

Miguel Groba
type: MusicGroup

Orquesta Sinfónica de Madrid
type: MusicGroup

La Verbena de la Paloma
type: MusicAlbum
date published: 1994-01-01

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T04:51:48+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0xa7aa1eba2ecf74f3d3a3fee33c587af22ab741dd13bf758cda0871e5975f1521

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 956889

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956889

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754988

OTSTimestamp
type: PropertyValue
value: 2026-07-06T06:56:49Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa7aa1eba2ecf74f3d3a3fee33c587af22ab741dd13bf758cda0871e5975f1521. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754988.
date published: 2026-07-06T06:56:49Z

La Verbena de la Paloma, Act I: Chanson de Julián (Julián, Rita, Hilarión, Sebastián, Tabernero, Mozos, Portero, Portera, Chœur)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.902
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.302
additional property: Energy
  type: PropertyValue
  value: 0.258
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.979
additional property: Instrumentalness
  type: PropertyValue
  value: 0.013
additional property: Liveness
  type: PropertyValue
  value: 0.661
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.202
additional property: Loudness (dB)
  type: PropertyValue
  value: -19.913
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Major

La Verbena de la Paloma, Act I: La Virgen de la Paloma (Chœur)
type: MusicRecording
duration: PT1M25S
duration ms: 85533
explicit: false
by artist: Tomás Bretón
by artist: Antoni Ros Marbá
by artist: Coro De La Comunidad De Madrid
by artist: Miguel Groba
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754989
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T23:28:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1ebc37819da252a277207c8fc0e8d4c887a7714218df7895eedf6891bf426ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754989
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1ebc37819da252a277207c8fc0e8d4c887a7714218df7895eedf6891bf426ff. 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/FR10S1754989.
  date published: 2026-07-02T03:30:09Z
audio: La Verbena de la Paloma, Act I: La Virgen de la Paloma (Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.198
  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: 0.493
  additional property: Energy
    type: PropertyValue
    value: 0.357
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.864
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.055
  additional property: Liveness
    type: PropertyValue
    value: 0.319
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.89
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.307
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Verbena de la Paloma, Act I: Couplets de Don Hilarión (Hilarón)
type: MusicRecording
duration: PT3M35S
duration ms: 215973
explicit: false
by artist: Tomás Bretón
by artist: Rafael Castejon
by artist: Antoni Ros Marbá
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754990
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-11T06:26:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x25cf8da467f53449eb5d54aa607e67d577dbf8449559bad9e8419d6bf54c9ef6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754990
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25cf8da467f53449eb5d54aa607e67d577dbf8449559bad9e8419d6bf54c9ef6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754990.
  date published: 2026-06-13T13:32:09Z
audio: La Verbena de la Paloma, Act I: Couplets de Don Hilarión (Hilarón)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 130.729
  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: 0.499
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.059
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.371
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.625
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Verbena de la Paloma, Act I: Soledad (Cantaora, Guardia 1, Guardia 2, Antonia, Casta, Susana, Vecina, Vecino)
type: MusicRecording
duration: PT6M10S
duration ms: 370960
explicit: false
by artist: Tomás Bretón
by artist: Milagros Martin
by artist: Juan Jesùs Rodriguez
by artist: Alberto Rios
by artist: Ana M. Amengual
by artist: Silvia Tro
by artist: Maria Bayo
by artist: Carmen Campos Ros
by artist: Alfredo Garcia Huerga
by artist: Antoni Ros Marbá
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754991
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:40:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad5b1c2c291363515982be3c3daf5102524834efd8373aaaefe7cc654b59d41f
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/FR10S1754991
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad5b1c2c291363515982be3c3daf5102524834efd8373aaaefe7cc654b59d41f. 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/FR10S1754991.
  date published: 2026-07-02T03:55:08Z
audio: La Verbena de la Paloma, Act I: Soledad (Cantaora, Guardia 1, Guardia 2, Antonia, Casta, Susana, Vecina, Vecino)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 152.207
  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.231
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.004
  additional property: Liveness
    type: PropertyValue
    value: 0.122
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.494
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.349
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

La Verbena de la Paloma, Act I: Gigolettes et Don Hilarón (Hilarón, Casta, Susana, Antonia)
type: MusicRecording
duration: PT2M20S
duration ms: 140066
explicit: false
by artist: Tomás Bretón
by artist: Rafael Castejon
by artist: Silvia Tro
by artist: Maria Bayo
by artist: Ana M. Amengual
by artist: Antoni Ros Marbá
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754993
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T22:38:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6eca96a6b8d16323c752b12350bee6f7ed3a36c25575aa96f5b3682d3daf99db
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/FR10S1754993
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6eca96a6b8d16323c752b12350bee6f7ed3a36c25575aa96f5b3682d3daf99db. 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/FR10S1754993.
  date published: 2026-07-02T03:55:08Z
audio: La Verbena de la Paloma, Act I: Gigolettes et Don Hilarón (Hilarón, Casta, Susana, Antonia)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.406
  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: 0.522
  additional property: Energy
    type: PropertyValue
    value: 0.166
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.938
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.223
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.019
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Verbena de la Paloma, Act I: Mazurka (Casta, Susana, Antonia, Hilarión)
type: MusicRecording
duration: PT2M23S
duration ms: 143906
explicit: false
by artist: Tomás Bretón
by artist: Silvia Tro
by artist: Maria Bayo
by artist: Ana M. Amengual
by artist: Rafael Castejon
by artist: Antoni Ros Marbá
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754994
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-21T23:00:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7ec316ce36ef3305b0a58b36b9ea069d2b80944f3d32d4f7937d251615bd26d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754994
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ec316ce36ef3305b0a58b36b9ea069d2b80944f3d32d4f7937d251615bd26d. 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/FR10S1754994.
  date published: 2026-07-02T03:30:09Z
audio: La Verbena de la Paloma, Act I: Mazurka (Casta, Susana, Antonia, Hilarión)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.015
  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: 0.513
  additional property: Energy
    type: PropertyValue
    value: 0.228
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.903
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.314
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.318
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Verbena de la Paloma, Act I: Rita y Julián (Rita, Julián, Guardia 1, Guardia 2, Casta, Susana, Antonia, Hilarión)
type: MusicRecording
duration: PT4M13S
duration ms: 253760
explicit: false
by artist: Tomás Bretón
by artist: Rafael Castejon
by artist: Antoni Ros Marbá
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754995
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T21:12:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5a3e117af9992c550efbeaa7825754d6375f5b59c582cad0a7d1652968b4813
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/FR10S1754995
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5a3e117af9992c550efbeaa7825754d6375f5b59c582cad0a7d1652968b4813. 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/FR10S1754995.
  date published: 2026-07-02T03:55:08Z
audio: La Verbena de la Paloma, Act I: Rita y Julián (Rita, Julián, Guardia 1, Guardia 2, Casta, Susana, Antonia, Hilarión)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.079
  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: 0.397
  additional property: Energy
    type: PropertyValue
    value: 0.192
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.98
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.203
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.283
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Verbena de la Paloma, Act I: Habanera Concertante (Julián, Susana, Rita, Hilarión, Antonia, Casta, Guardias, Tabernero, Sereno, Chœur)
type: MusicRecording
duration: PT4M34S
duration ms: 274093
explicit: false
by artist: Tomás Bretón
by artist: Plácido Domingo
by artist: Maria Bayo
by artist: Raquel Pierotti
by artist: Rafael Castejon
by artist: Ana M. Amengual
by artist: Silvia Tro
by artist: Juan Jesùs Rodriguez
by artist: Alberto Rios
by artist: Alfonso Echeverria
by artist: Enrique Baquerizo
by artist: Antoni Ros Marbá
by artist: Coro De La Comunidad De Madrid
by artist: Miguel Groba
by artist: Orquesta Sinfónica de Madrid
in album: La Verbena de la Paloma
  type: MusicAlbum
  date published: 1994-01-01
genre: spanish-classical
genre: zarzuela
isrc code: FR10S1754997
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-17T23:28:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b00d830f6ded3d22da89c1a687a132dcf3b9e3d81e093962f57da98d38ece0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR10S1754997
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b00d830f6ded3d22da89c1a687a132dcf3b9e3d81e093962f57da98d38ece0b. 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/FR10S1754997.
  date published: 2026-07-02T03:30:09Z
audio: La Verbena de la Paloma, Act I: Habanera Concertante (Julián, Susana, Rita, Hilarión, Antonia, Casta, Guardias, Tabernero, Sereno, Chœur)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.281
  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: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.325
  additional property: Speechiness
    type: PropertyValue
    value: 0.066
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.302
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.944
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vivaldi: Le quattro stagioni
type: MusicAlbum
date published: 2003

Basque Music Collection, Vol. III: Jesus Arambarri
type: MusicAlbum
date published: 1999-01-01

Sounds of The Basque Country
type: MusicAlbum
date published: 2002-01-01