Gándara
type: MusicGroup
description: The Gándara (also known as the Soba River) is a river in Green Spain, at the north of the country. It flows through the autonomous community of Cantabria and discharges into the Asón River. The Gándar
popularity: 7
followers: 233
additional property: CopyrightID
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3341474ba34be011a61de4ead797ec88f8d0901b2ed6a070b182e3224a685f13. 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/daffe502-76cd-48da-97f1-c3cbc29c5781.json and https://artists.proofprofile.net/proofs/artist/daffe502-76cd-48da-97f1-c3cbc29c5781.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
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album: ¿por qué Se fue?
  type: MusicAlbum
  date published: 2020-06-18
album: El canto de la luna
  type: MusicAlbum
  date published: 2022-05-27
album: Ay amor
  type: MusicAlbum
  date published: 2022-10-08
album: Dolor de ausencia
  type: MusicAlbum
  date published: 2024-12-14
  track: Obsesión
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    by artist: Gándara
    in album: Dolor de ausencia
      type: MusicAlbum
      date published: 2024-12-14
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      value: 2026-07-20T10:43:24Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x98d79f045548006372e06fac600ae7eaa80ca4f511941b2513b28aca290d50d5. Chain 2 (Bitcoin): anchored in block 958846 (2026-07-20T10:43:24Z), 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/QZZ7V2460858.
      date published: 2026-07-20T10:43:24Z
    audio: Obsesión
      type: AudioObject
      additional property: Tempo (BPM)
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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
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      additional property: Valence (Positivity)
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      additional property: Loudness (dB)
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        value: -8.326
      additional property: Key Name
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        value: D
      additional property: Mode Name
        type: PropertyValue
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album: Luces de la ciudad
  type: MusicAlbum
  date published: 2025-09-19
  track: Luces de la ciudad
    type: MusicRecording
    duration: PT3M34S
    duration ms: 214285
    explicit: false
    by artist: Gándara
    in album: Luces de la ciudad
      type: MusicAlbum
      date published: 2025-09-19
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45035bf9fa9ed2e5b91242a9a2787c91c76f1af931373b1417cfb84e7552f7f3. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/QZZ7X2556043.
      date published: 2026-07-17T19:49:21Z
    audio: Luces de la ciudad
      type: AudioObject
      additional property: Tempo (BPM)
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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: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name

Acousticness
type: PropertyValue
value: 0.247

Instrumentalness
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value: 0

Liveness
type: PropertyValue
value: 0.31

Valence (Positivity)
type: PropertyValue
value: 0.45

Loudness (dB)
type: PropertyValue
value: -5.463

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor