La Negra

Recording by Delfino Guerrero.

Recording identifiers

ISRC
MXF369533456
CopyrightID (CopyrightChains transaction hash)
0x212ec6cf6e5a92db537c80480246e4c2c8a3bf47529a8cb5d9e403e8c0887b78
Copyright registration time
2026-07-06T21:22:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:783f05a31a114085cd05bdf4dc3e2c2105dbcfde35d95f54c0ab756e96b46ebe

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.