Thème et variations: No. 7 (Thème totalement modifié)

Recording by Lili Boulanger.

Recording identifiers

ISRC
CH6542412137
CopyrightID (CopyrightChains transaction hash)
0x25d6816d9f1ac2bfdbcd819ba0697fb4f24fde3b8d5af3ea23a4a3d988ed8e0f
Copyright registration time
2026-07-07T12:06:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:297ed55633ddfa17105eaf9e2d3580ad4a661a781d4cc1c6d2d4d1d19a6206af

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.