Pero esta tarde no te vas

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5150901159
CopyrightID (CopyrightChains transaction hash)
0x451acb17042dcdc4a3acd1c17e798d31ce187262e21d3ba5ffa7d37030ee2b4b
Copyright registration time
2026-06-05T17:35:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:54acb0219eb8c34670652b736c16877bad83095c56b82a01842e9e181c91df9f

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.