Hoy que no estás

Recording by Alejandro Sanz.

Recording identifiers

ISRC
ES5159706048
CopyrightID (CopyrightChains transaction hash)
0x338964f194c456569c2cb99893533f248a88f93d52794397017f4d99198651c1
Copyright registration time
2026-06-06T14:48:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:d9e3c5dd88cb85abd0ebcc335d2a70606a672b532ce300bf84d9d0bff3bb4f6e

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.