Elegía por Violeta Parra

Recording by Leo Brouwer.

Recording identifiers

ISRC
QZTB72301052
CopyrightID (CopyrightChains transaction hash)
0x9cb02cc9b5295f8850f16f7736aeabb83cfcf30cdeb2f84138e8220ad36234f6
Copyright registration time
2026-07-31T19:44:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T19:53:13Z
Bitcoin block
960455
Canonical record hash
sha256:c2f21b88e7e937aedf61268d82bcbb77cc13a18097b0e50e5ebc5b610df23a78

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.