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

Recording by Johannes Brahms.

Recording identifiers

ISRC
NLA506800640
CopyrightID (CopyrightChains transaction hash)
0x4dd6ace24f42661150804111aa09d1d9e3c8b19ab08506a513af5f39b1cd9b9f
Copyright registration time
2026-07-06T07:12:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:08a316492accc2b48b0777e035e6f15ea5c2541249e5056f217e485a2d1f8309

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.