El Árbol de los Libres

Recording by Quilapayún.

Recording identifiers

ISRC
CLAA22100224
CopyrightID (CopyrightChains transaction hash)
0x2054ce12308f19161c737f7024395fe316f49e51baf6a2e134b6dfc40c8fe41c
Copyright registration time
2026-07-29T12:37:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:09:35Z
Bitcoin block
960108
Canonical record hash
sha256:9a30816a4157740c65e170531c0c5f581b350407fef9a78aa204dfeff19e4902

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.