Nocturne

Recording by Lili Boulanger.

Recording identifiers

ISRC
HKI192022107
CopyrightID (CopyrightChains transaction hash)
0x706e82a873fe89746833fc62f5bb8a2fcbfd9c263e19fba52df08fc27b100b93
Copyright registration time
2026-07-30T14:52:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:7325b0d491196fd68ffb30ab3388a69eabf1442ee682a26ca5625d29ffba828e

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.