La Perdida

Recording by Quilapayún.

Recording identifiers

ISRC
ES71G2000382
CopyrightID (CopyrightChains transaction hash)
0x6feb8ea3900ffc2bdfe1422e6208203cf7bbb1d2f19ebf33113d89edd65f85f4
Copyright registration time
2026-07-07T11:40:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:6f1811aa462943ae7d17f68d5561cac14639773a7c766f9e538ffc1a715d86e2

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.