Variations and Fugue on a Theme by Handel, Op. 24: Var. 15

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN962236716
CopyrightID (CopyrightChains transaction hash)
0x1cbdbef71ee64b724e57ab1d24acd863cd9da5db7dd77d31d216cf2566fb2339
Copyright registration time
2026-06-25T15:17:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:70559e1aa724d2c31c363aad7b1423d5fdc13bc0e39e48fb152cd54a78878a4b

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.