Regreso

Recording by Quilapayún.

Recording identifiers

ISRC
CLAA22100265
CopyrightID (CopyrightChains transaction hash)
0x0b65028eb7eaabc8060135547eed92717e3eba4b13ba75764e2cd7021d4c9654
Copyright registration time
2026-08-01T01:03:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:525074e41fb26d4248f0dd0b57f0ad484e50bb15fe3329d7ec977e7b791b37fe

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.