Macario Leyva

Recording by El Güero y Su Banda Centenario.

Recording identifiers

ISRC
USLFZ0710062
CopyrightID (CopyrightChains transaction hash)
0x74a61b6bdaca30cd9a7172601fa09465b7efa5036df6b240c813d04e7a171d04
Copyright registration time
2026-08-01T02:37:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:2490cc7f7bad5af6dc0726c85826193d246d516a1a5407ae17bb6409bec38c36

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.