Le surcroît II

Recording by François Couturier.

Recording identifiers

ISRC
DEB332381905
CopyrightID (CopyrightChains transaction hash)
0x1ec9e56be8cdc022ac46d001f2612ec24e5f42e7b5dc475d093792fa2a17efe9
Copyright registration time
2026-07-06T05:43:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:ef8102f437ff4e223a8a7ff061e1abec98f45943800750e66ca35bfd923cadcf

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.