Rondeau-refrain

Recording by Matteo da Perugia.

Recording identifiers

ISRC
FR46Y9438205
CopyrightID (CopyrightChains transaction hash)
0x76e0b216d31f3c3f74e381f28f49321bc8317c3a1366f1ce6ed4e8d6dcf577b2
Copyright registration time
2026-07-30T20:24:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T20:35:49Z
Bitcoin block
960309
Canonical record hash
sha256:38c803c6090d4699a795a2ac799482500cd6fa12c8c0ec0c5388c51e5b2afc05

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.