Variations on a Theme by Haydn, Op. 56a: Thema, Chorale St. Antoni - Andante

Recording by Johannes Brahms.

Recording identifiers

ISRC
USBC18900159
CopyrightID (CopyrightChains transaction hash)
0x4686d186c0992827a36b3adbb01a6a6aa091554aaa36ce794f76d6a6a1cdf887
Copyright registration time
2026-07-29T18:46:40+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T19:35:34Z
Bitcoin block
960138
Canonical record hash
sha256:d3ffeeb38c6439a0414c603dbb671ffe978adbdfe37bab6ccbcdb0ae73cc53cd

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.