Quant je sui mis au retour

Recording by Guillaume de Machaut.

Recording identifiers

ISRC
FR6V51300370
CopyrightID (CopyrightChains transaction hash)
0x3d8cd37e2ef27feb387d276b3ff69b6bea2e6b5830d7cb7d5571ef9a34507b79
Copyright registration time
2026-06-21T05:06:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:40f251925def052bd2c55e49741c2f96fc02da51c311f72c28031b70f393d5b9

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.