Quizás Fue Ayer

Recording by José María Vitier.

Recording identifiers

ISRC
ES6081730201
CopyrightID (CopyrightChains transaction hash)
0x0b53c70bf2e6857019c2371dc6d77ed4093a9cbf862b683afc3a7d801ebb2c36
Copyright registration time
2026-07-06T08:58:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:dcdfdbb8c56be887e0c859610ec9246826002e44554790d902bb045292ec22ae

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.