Coro Infantil Marina
type: MusicGroup
genre: lullaby
popularity: 8
followers: 4504
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa13a410e8f62df1ecd453a63284672a61f66ec1d1c146c027b29cb92fc854ebb. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ba018eaf-6d9f-4f7e-a0df-ee54e08cfd37.json and https://artists.proofprofile.net/proofs/artist/ba018eaf-6d9f-4f7e-a0df-ee54e08cfd37.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
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album: En el Portal de Belén (Villancicos)
  type: MusicAlbum
  date published: 1994-10-14
album: Ande, Ande, Ande (Villancicos)
  type: MusicAlbum
  date published: 1994-10-20
album: Villancicos Populares
  type: MusicAlbum
  date published: 1995-05-23
album: Villancicos Con Zambomba y Pandereta
  type: MusicAlbum
  date published: 1995-07-31
album: ¡Ale Pun! Villancicos con Zambomba
  type: MusicAlbum
  date published: 1995-07-31
album: Villancicos Populares Españoles
  type: MusicAlbum
  date published: 1995-07-31
album: Cantando Villancicos
  type: MusicAlbum
  date published: 1995-07-31
album: Cancionero de Navidad : Villancicos Populares de toda España
  type: MusicAlbum
  date published: 1996-07-11
album: Villancicos Populares Andaluces
  type: MusicAlbum
  date published: 1997-01-21
album: A Belen Pastores
  type: MusicAlbum
  date published: 1997-01-21
album: Las Mejores Canciones Infantiles
  type: MusicAlbum
  date published: 1997-06-05
album: Canciones Infantiles, Vol.3: Tengo una Muñeca
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones Infantiles, Vol.1: El Patio de Mi Casa
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones para Jugar y Reir
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones Infantiles, Vol. 5
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones Infantiles, Vol.2 : Donde Están las Llaves
  type: MusicAlbum
  date published: 2013-02-01
album: Las Canciones del Cole
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones de Animalitos
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones Infantiles, Vol. 1
  type: MusicAlbum
  date published: 2013-02-01
album: Canciones Infantiles, Vol. 4 : Al Corro de la Patata
  type: MusicAlbum
  date published: 2013-02-01
  track: Al Corro de la Patata
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      type: MusicAlbum
      date published: 2013-02-01
    genre: lullaby
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    additional property: OTSTimestamp
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    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-18T19:27:02Z
    audio: Al Corro de la Patata
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      additional property: Acousticness
        type: PropertyValue
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        value: C#
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  track: Un Cocherito
    type: MusicRecording
    duration: PT2M30S
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    by artist: Coro Infantil Marina
    in album: Canciones Infantiles, Vol. 4 : Al Corro de la Patata
      type: MusicAlbum
      date published: 2013-02-01
    genre: lullaby
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    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
    audio: Un Cocherito
album: Canciones Infantiles, Vol. 3
album: Canciones Infantiles, Vol. 4
album: Canciones del Corro

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xe310357b8e807708c86159b0ee024ebe81434361980511bd8729562ea1029c26

OTSHash
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OTSBitcoinBlock
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value: 958690

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958690

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5299600387

OTSTimestamp
type: PropertyValue
value: 2026-07-19T07:14:39Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe310357b8e807708c86159b0ee024ebe81434361980511bd8729562ea1029c26. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5299600387.
date published: 2026-07-19T07:14:39Z

Un Cocherito
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additional property: Tempo (BPM)
  type: PropertyValue
  value: 114.844
additional property: Musical Key
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additional property: Mode (Major/Minor)
  type: PropertyValue
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additional property: Time Signature
  type: PropertyValue
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additional property: Danceability
  type: PropertyValue
  value: 0.787
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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  value: 0.226
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.39
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.794
additional property: Loudness (dB)
  type: PropertyValue
  value: -13.193
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
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Canciones Infantiles, Vol. 3
type: MusicAlbum
date published: 2013-02-01

Canciones Infantiles, Vol. 4
type: MusicAlbum
date published: 2013-02-01

Canciones del Corro
type: MusicAlbum
date published: 2013-02-01