La Maza

Recording by Silvio Rodríguez.

Recording identifiers

ISRC
ESAAI0205417
CopyrightID (CopyrightChains transaction hash)
0x7e70973d15966c5e4eff37e4405d4d3cfd60744e4339524066ac9c215ba41c49
Copyright registration time
2026-06-19T12:48:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:962b45ac8c5dc40e6fdd8358a67a25bc52b7c7578e5896350305225967c824a8

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.