Flos florum

Recording by Guillaume Dufay.

Recording identifiers

ISRC
US9Z81100107
CopyrightID (CopyrightChains transaction hash)
0xa20677a45466a0cdc285c9b01cec6f4412e5db465678f0f0dc769b8da39a0393
Copyright registration time
2026-06-23T09:52:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T05:09:12Z
Bitcoin block
956312
Canonical record hash
sha256:b637bb34de3096597e818a025bf2863e3a9be363d1ac14b735811b9406e7aa79

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.