Gratos Recuerdos

Recording by Francisco Montoya.

Recording identifiers

ISRC
QZZ972497896
CopyrightID (CopyrightChains transaction hash)
0x60480b5dd7bc83ff1506066f41da2a3938baa12f787b67d76d9b33d756ee1587
Copyright registration time
2026-06-27T21:55:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:523155bf82147901c6a8010300d28e3855c9394b073c2661d239f7849465812f

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.