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

Recording by Johannes Brahms.

Recording identifiers

ISRC
DEN960930101
CopyrightID (CopyrightChains transaction hash)
0x4d6d04d4712acf085f725203413f8ed541ebdc50242fc8dd9762b678ba79661e
Copyright registration time
2026-06-11T03:47:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8333e3d657abcfd2dd1053ebd686846023b0269d3b9e4427757b6e68acd77b2e

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.