Épreuve - Mixed

Recording by Roman Poncet.

Recording identifiers

ISRC
GBHFW2300071
CopyrightID (CopyrightChains transaction hash)
0x271fea7515de489601634282b061b5b8eab9207a15d0bef52a392c53d2cd60f5
Copyright registration time
2026-06-22T22:34:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c95be904bd117a404d780fb837e4c2cdc22f9ef951cc5b98088b8f5b5d7cf910

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.