Variations on a Theme of Haydn, Op. 56a: II. Variation I, Poco più animato

Recording by Johannes Brahms.

Recording identifiers

ISRC
GBDGQ1223802
Release date of the album this recording appears on
2013-09-30
CopyrightID (CopyrightChains transaction hash)
0x028b48ee13694925bd0ea869d9ff88305419fa91c8595b3a7a1faaed65d17e6e
Copyright registration time
2026-07-07T05:46:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:495f3d9bf1c9d4e0a6726cbf157f0934c83bfd4dc8ebb9da51e192a464fe3bff

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.