La nuit froide et sombre

Recording by Orlande de Lassus.

Recording identifiers

ISRC
NLQ661761703
Release date of the album this recording appears on
2018-06-28
CopyrightID (CopyrightChains transaction hash)
0xbcc9a13fca07c2828f8bb35149d09ddc3252a7b495b7a9a543ae67349df257cc
Copyright registration time
2026-07-29T22:15:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:e587a55ec3cd2c442a0fea47dfbf8b04c5c3d7b3522b96c48b80ec660ba294f8

What this proof establishes

This recording was released in 2018, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.