Fidelio, Op. 72

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USX761302030
CopyrightID (CopyrightChains transaction hash)
0xe2583002881ab9c47bd52c838094178b286b825a55f27b7d673885c339eed8aa
Copyright registration time
2026-07-07T12:30:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5a2d0a6d93030168f88e54e0141d9c9fb6a723f9836ffc8a472f7ebe572f2912

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.