Le Jour Le Plus Long

Recording by Jo Courtin.

Recording identifiers

ISRC
FRY510778692
CopyrightID (CopyrightChains transaction hash)
0x4f0fed7396777f34f4558d3532c6c5337f3cd40f3f20c2f9bd8d94cccf6911fa
Copyright registration time
2026-07-31T05:44:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T05:49:18Z
Bitcoin block
960355
Canonical record hash
sha256:3dd95c1f29dc73508eaa35243ffda67d2fbd5833f29b20654f91341953bbccf0

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.