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

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBF071741910
CopyrightID (CopyrightChains transaction hash)
0xb837052dcff3e7025a7df1443254c4f7edd330f0309f8ebdecb2dd7ae2b6f7ce
Copyright registration time
2026-07-07T01:07:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:17940c32eacc6e96c8f594a98e06b0d7cfe2baf068bf1da37d2e7dd195b49808

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.