Muy Deficiente
type: MusicGroup
description: Muy Deficiente is the third studio album by Spanish rock band Platero y Tú. It was produced by Platero y Tú and published by DRO on 12 June 1992. Track listing Personnel Fito Cabrales: Vocals and
popularity: 2
followers: 266
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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  value: 2026-06-16T09:36:34Z
additional property: OTSCanonicalRecord
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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 0x959c0f7a1aff25761c66beaec73e84e286915ad4d91d508ce98250ce233f467c. Chain 2 (Bitcoin): anchored in block 953922 (2026-06-16T09:36:34Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/1a610b24-7474-4531-ac44-918008194673.json and https://artists.proofprofile.net/proofs/artist/1a610b24-7474-4531-ac44-918008194673.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T09:36:34Z
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album: Cada Día
  type: MusicAlbum
  date published: 2011-07-18
album: A la Contra
  type: MusicAlbum
  date published: 2013-02-08
album: A la Contra
  type: MusicAlbum
  date published: 2013-02-08
album: A la Contra
  type: MusicAlbum
  date published: 2013-06-25