Si la noche haze escura

Recording by Francisco Guerrero.

Recording identifiers

ISRC
ES7891301412
CopyrightID (CopyrightChains transaction hash)
0xb5317fa028fd7196818113bcce0ae858b2b5cc227b1b6dd41c3b0fa9c863707c
Copyright registration time
2026-07-30T18:18:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:05fcd86e0bc71c39f1e5ec6a6e5a490a70ba9e1cc537c2789702f59852eccddb

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.