Variations on a Theme of Haydn, Op. 56a: IV. Variation III, Con moto

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBDGQ1223804
Release date of the album this recording appears on
2013-09-30
CopyrightID (CopyrightChains transaction hash)
0x1aa8e7b8213e737b793e4fba751b36d7f75b1fe0132ebc692178cde358fa554a
Copyright registration time
2026-07-30T10:09:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T10:42:33Z
Bitcoin block
960247
Canonical record hash
sha256:718ed02da216e1f6f6448b1249ec660ed7c4f4bc34595cb159ef1f742df669c4

What this proof establishes

This recording was released in 2013, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.