Var. 32 - Fuga. Allegro, Poco adagio

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
USSM11505524
CopyrightID (CopyrightChains transaction hash)
0x95d90d49abf9a1d165b9f69c00bb54b1ec58544499f1f58342d187711bcae99f
Copyright registration time
2026-06-23T02:10:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:a5c64b6d1f37e80f9fa21af49e1f20bd8e2621393a17d8c665d8c30d2f78bbf9

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.