Francisco Alonso
type: MusicGroup
genre: opera
description: thumb|200px|right|Francisco Alonso in 1927. Francisco Alonso López (9 May 1887 – 18 May 1948) was a Spanish composer of popular theatre music and zarzuelas.Tomás Marco - Spanish music in the twentieth
popularity: 17
followers: 351
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: 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
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  date published: 2026-06-14T11:37:06Z
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album: La Picarona
  type: MusicAlbum
  date published: 1959-02-26
album: La Linda Tapada
  type: MusicAlbum
  date published: 1960-02-26
album: La Parranda
  type: MusicAlbum
  date published: 1969
album: Me Llaman la Presumida
  type: MusicAlbum
  date published: 1972-02-26
album: Zarzuela: La Picarona
  type: MusicAlbum
  date published: 2013-12-03
album: El Piano del Maestro Alonso
  type: MusicAlbum
  date published: 2017-07-07
album: La Parranda (Remastered)
  type: MusicAlbum
  date published: 2019-02-22
track: Zarzuela - Remasterizado
  type: MusicRecording
  duration: PT4M53S
  duration ms: 293933
  explicit: false
  by artist: Luis Cobos
  by artist: Federico Chueca
  by artist: Francisco Alonso
  by artist: Jacinto Guerrero
  by artist: Francísco Alonso López
  by artist: Martinez
  by artist: Ramos Chapi
  by artist: Vicente Lleo
  by artist: Guillermo Perrin
  by artist: Royal Philharmonic Orchestra
  in album: Mi Disco de Oro (Remasterizado)
    type: MusicAlbum
    date published: 1982
  popularity: 13
  genre: classical
  genre: orchestra
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Zarzuela - Remasterizado
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    additional property: Danceability
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track: La Torre del Oro - Remasterizado
  type: MusicRecording
  duration: PT4M53S
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  explicit: false
  by artist: Luis Cobos
  by artist: Francisco Alonso
  by artist: Gerónimo Giménez
  by artist: Jacinto Guerrero Torres
  by artist: Ruperto Chapí
  by artist: Royal Philharmonic Orchestra
  in album: Mi Disco de Oro (Remasterizado)
    type: MusicAlbum
    date published: 1982
  popularity: 5
  genre: classical
  genre: orchestra
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    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
  audio: La Torre del Oro - Remasterizado
track: Las leandras
track: Las cariñosas
track: La picarona

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83e03a96fcdb1583be7dba1e3248deab7a526b0433992f5066c5ee6fad41df84. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5021702693.
date published: 2026-07-30T03:35:13Z

La Torre del Oro - Remasterizado
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Las leandras
type: MusicRecording
duration: PT4M2S
duration ms: 242440
explicit: false
by artist: Francisco Alonso
by artist: Emilio Gonzalez Del Castillo
by artist: José Muñoz Román
by artist: Orquesta Lírica de Madrid
by artist: Feliz Guerrero
in album: Zarzuelas - Mazurcas, valses y chotis
  type: MusicAlbum
  date published: 2015-05-07
popularity: 3
isrc code: QM4TW1574986
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additional property: CopyrightStatus
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additional property: OTSTimestamp
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  value: 2026-07-31T00:26:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf318f851ff6c500b3fc0a1a9160c946cd5ca210037e368b0196324a29c56b31. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1574986.
  date published: 2026-07-31T00:26:26Z
audio: Las leandras
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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Las cariñosas
type: MusicRecording
duration: PT3M30S
duration ms: 210466
explicit: false
by artist: Francisco Alonso
by artist: Orquesta Lírica de Madrid
by artist: Feliz Guerrero
in album: Zarzuelas - Mazurcas, valses y chotis
  type: MusicAlbum
  date published: 2015-05-07
popularity: 2
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c1852b54f24a3a552f8cfdac25510654e4eda4f3a0628fe06ce5cf438204f43. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1574981.
  date published: 2026-07-31T19:53:13Z
audio: Las cariñosas
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  additional property: Valence (Positivity)
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La picarona
type: MusicRecording
duration: PT2M15S
duration ms: 135466
explicit: false
by artist: Francisco Alonso
by artist: Emilio Gonzalez Del Castillo
by artist: Luis Martinez Roman
by artist: Orquesta Lírica de Madrid
by artist: Feliz Guerrero
in album: Zarzuelas - Mazurcas, valses y chotis
  type: MusicAlbum
  date published: 2015-05-07
popularity: 1
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
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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 0x6afe3e04ef91171f1350f1b15ff549d0016ec86c179b8cac02a4f31587b514f5. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW1574988.
  date published: 2026-07-08T03:20:19Z
audio: La picarona
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  additional property: Acousticness
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