35 Heures

Recording by Dudu.wav.

Recording identifiers

ISRC
QZHN42281236
CopyrightID (CopyrightChains transaction hash)
0x4305cd570c5dbfc0c507aed5f6ba09c8589f60a426ff7f3fc2389281bb754e71
Copyright registration time
2026-07-07T09:28:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:650de1f65ec650145c2871032f237a733c70b1b9568f7771d2d2c4ad2229ba67

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.