El Método de la Cera Perdida

Recording by Frente Cumbiero.

Recording identifiers

ISRC
USANG2033683
CopyrightID (CopyrightChains transaction hash)
0x0549f2f64785ff73a4a21bcf9766cf62c71fb5da27e66a5776951e0b29365b6d
Copyright registration time
2026-06-22T13:46:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:3bb5bbd9f5449acfd781dd673b87a5088c2102d475684619806780aca28bdd1b

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.