Je m'demande

Recording by Martin Léon.

Recording identifiers

ISRC
CAL540709401
CopyrightID (CopyrightChains transaction hash)
0xe27de9cddf9f964b39609455064aceee9df18ae0d9cf059d22c54708960619d1
Copyright registration time
2026-06-25T01:21:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:e8922be03cb3a73828d3ac781c04f50f242eda140028ba79f3bb829fe556352c

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.