La margarita dijo no

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5159706047
CopyrightID (CopyrightChains transaction hash)
0x8d3bbc600daae1f2c7bb1b8d46944c3aebd50cbcdb218db7bf51633227a4c852
Copyright registration time
2026-06-06T07:48:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:3e4e2c21f5104843ce7a465be3fc460abe6e1853018aecd479b34dcfa157a82b

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.