Duet No. 6 in C Major: 2. Menuetto

Recording by Josef Fiala.

Recording identifiers

ISRC
US42M0430113
CopyrightID (CopyrightChains transaction hash)
0x3793f12ef7c50363a36db96494187828108ddabb39b6859f12073b053737bf83
Copyright registration time
2026-07-31T07:18:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:391bd0b88168e843c2afb276aa9a1ae3f27688714256c1a2375cd3f280777169

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.