José Antonio Labordeta
type: MusicGroup
genre: celtic rock
genre: singer-songwriter
description: José Antonio Labordeta Subías (10 March 1935 – 19 September 2010)Adiós, Labordeta Heraldo.es was a Spanish Aragonese singer, songwriter, poet, writer and political activist. He was described by The G
popularity: 9
followers: 9590
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additional property: OTSBitcoinBlock
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additional property: OTSVerifyInstructions
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  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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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x382ca340fe66fddc33211fcc80cb998f441c54ce7d2772c3f3a86f2576b4a839. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/db45a75c-2812-45b4-8453-9a465f9dcbbb.json and https://artists.proofprofile.net/proofs/artist/db45a75c-2812-45b4-8453-9a465f9dcbbb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: Nueva Visión
  type: MusicAlbum
  date published: 1999-01-10
  track: Aqueras Montañas - Artist: José Antonio Labordeta
    type: MusicRecording
    duration: PT1M58S
    duration ms: 118333
    explicit: false
    by artist: José Antonio Labordeta
    in album: Nueva Visión
      type: MusicAlbum
      date published: 1999-01-10
    genre: celtic rock
    genre: singer-songwriter
    isrc code: ES7860510060
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T15:38:13Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x239107575b00583762370d46199fe7b70634d300b46a4a5e2b739aaa3c549b5c. Chain 2 (Bitcoin): anchored in block 959026 (2026-07-21T15:38:13Z), 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/ES7860510060.
      date published: 2026-07-21T15:38:13Z
    audio: Aqueras Montañas - Artist: José Antonio Labordeta
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      additional property: Tempo (BPM)
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        value: 138.901
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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
        type: PropertyValue
        value: 0.386
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.459
      additional property: Loudness (dB)
        type: PropertyValue
        value: -15.943
      additional property: Key Name
        type: PropertyValue
        value: B
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Con la voz a cuestas
  type: MusicAlbum
  date published: 2001-04-09
album: Cantar i Callar
  type: MusicAlbum
  date published: 2007-01-01
track: A Veces Te Descubro
  type: MusicRecording
  duration: PT4M55S
  duration ms: 295493
  explicit: false
  by artist: José Antonio Labordeta
  in album: Grandes Cantautores
    type: MusicAlbum
    date published: 2010-07-07
  isrc code: ES5060704202
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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    value: 2026-07-30T20:45:02Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3285dcb8c10fe1ecb1b4345f65ebcac73450af39dc4ff4c15fcc46b1b4ae5ab5. Chain 2 (Bitcoin): anchored in block 960311 (2026-07-30T20:45:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5060704202.
    date published: 2026-07-30T20:45:02Z
  audio: A Veces Te Descubro
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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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      value: 0.032
    additional property: Acousticness
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    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name

Instrumentalness
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value: 0.001

Liveness
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value: 0.311

Valence (Positivity)
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value: 0.207

Loudness (dB)
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value: -16.416

Key Name
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value: A

Mode Name
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