Variations and Fugue on a Theme by Handel, Op. 24: Var. 22

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962236723
CopyrightID (CopyrightChains transaction hash)
0x67e9eaa92bfca3d1b0e9a0321da5680844fa3942cb7e02407ed1ce13b9626df4
Copyright registration time
2026-06-25T15:26:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:351af5f09d18041cebaaca117d326e75a82331a89c9332a5f5d9dd2586e73ad8

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.