Variations and Fugue on a Theme by Handel, Op. 24: Variation IV - Live

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBF071741905
CopyrightID (CopyrightChains transaction hash)
0x95ccaef2f5de1edbe40abe9cb759c89ba31480e6c04d16a208b5557d6cc73f68
Copyright registration time
2026-07-07T05:39:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:74202e8e09ca33abee3f58132217fc603acebf0c67e41459c23f820d5942b2b1

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.