Große Fuge in B-Flat Major, Op. 133

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
FINDE2000022
CopyrightID (CopyrightChains transaction hash)
0x610901006a9f6f423acc63dd499bdb0e69721272b30bb9df2fc31b2986d4a5ff
Copyright registration time
2026-07-07T00:51:39+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:1fd10c156c80bc963900dc66debc7955253cca0733b49fd39cd151c2801e1f0b

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.