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

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962236701
CopyrightID (CopyrightChains transaction hash)
0xd6b3f0210b6acc7f36a12e6a8507bd7c3e8bf976980bc5e8c8bb094f080bdd6e
Copyright registration time
2026-06-22T22:19:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:e6bdb285f9c28e76162cd11c6e33bcb74a6365a9e719da14606ce39e0fd5c814

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.