A Nightingale Sang in Berkeley Square / Les ombres, Pt. 2

Recording by François Couturier.

Recording identifiers

ISRC
DEB332381903
CopyrightID (CopyrightChains transaction hash)
0xa1aeb32250897310d5bc5684a6ebef6be5a5f9f9a14a7ad173e79b2478ef6a9c
Copyright registration time
2026-07-22T11:47:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T12:33:25Z
Bitcoin block
959128
Canonical record hash
sha256:22440eadcf249bb34cf065dc69823c6f666574f1472983e1939689e838bb1007

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.