Fidelio, Op. 72

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USX761302029
CopyrightID (CopyrightChains transaction hash)
0xf6928abd3e19ad677aedc04cc76dd9afce116ea07cc829664c5d730f55014bbc
Copyright registration time
2026-07-07T10:07:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:0e4f4cadcd9e93391a7f38d5f2d858e2c32f90e6d0fa81f59715af2a90fb8e0a

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.