Maria Del Rio
type: MusicGroup
genre: bolero
description: Maria Del Rio (born 25 March 1973) is a Belgian comedian, radio and television presenter of Spanish descent. Biography She was born and raised in Brussels and has a height of 164 cm. She started
popularity: 14
followers: 164
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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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  date published: 2026-06-14T12:06:27Z
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album: Bolero Gitano
  type: MusicAlbum
  date published: 1998-01-01
track: Feliz Navidad

Feliz Navidad
type: MusicRecording
duration: PT2M20S
duration ms: 140834
explicit: false
by artist: Suarez
by artist: Maria Del Rio
in album: Feliz Navidad
  type: MusicAlbum
  date published: 2020-11-27
genre: belgian-pop
isrc code: BEDD62000012
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additional property: OTSVerifyInstructions
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  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
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Feliz Navidad
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