Thème et variations: No. 3 (Thème à la partie supérieure)

Recording by Lili Boulanger.

Recording identifiers

ISRC
CH6542412141
CopyrightID (CopyrightChains transaction hash)
0xeefc006b6303573d333fe398a26700f43153ee4cac86fd787e5e7dfcae53a70b
Copyright registration time
2026-07-07T04:38:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e9366a20322039f4080d391e6995352181d120bd1cabb07f9e1f6884d4b7062f

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.