Variations and Fugue on a Theme by Handel, Op. 24: Var. 25

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962236726
CopyrightID (CopyrightChains transaction hash)
0xd2393325b6661a4ee0154aa428d17fdb752d6e75087b0d297e7afd166d94fa4b
Copyright registration time
2026-06-25T15:15:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:9f20bdc2fe40ee9ac4f5f45946a5fcf05599d7917315f1404052c1a295e08057

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.