La Última Botella

Recording by José Esparza.

Recording identifiers

ISRC
QZNFJ2202636
CopyrightID (CopyrightChains transaction hash)
0x5276617065a0443139a9d64345dacd082e694aa0b0d9fcfb6804e50daa2647ea
Copyright registration time
2026-06-06T19:45:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:b6d557edb98c65292041eb81525fa47b0763a6bb5482ec95e429a580534f56d0

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.