Faust (Mefistofele's Serenade)

Recording by Ruggero Raimondi.

Recording identifiers

ISRC
ITS049800020
CopyrightID (CopyrightChains transaction hash)
0xa2749d9b6eac1867c8090d90db501a8e3425fde336c1a4db4591d36bf77f434f
Copyright registration time
2026-07-07T18:55:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:34e95210de36ff948137be556c079e6178b5e04f5384634fa598c833a625e223

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.