Schumann: Andante and Variations, Op. 46

Recording by Martha Argerich.

Recording identifiers

ISRC
GBAYC0704124
CopyrightID (CopyrightChains transaction hash)
0x3c27593655794982840da5453bd5b2365f9c0c3f5615e564a7d0562b44070230
Copyright registration time
2026-06-09T18:21:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:04:01Z
Bitcoin block
957046
Canonical record hash
sha256:915598d71bf05cb87fa12621ec0afe59fa42ecb7e0ee1eb20e9ff4a9e9657bbf

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.