Variations On A Original Theme, In A Flat, D.813: Variation 3 - Live

Recording by Franz Schubert.

Recording identifiers

ISRC
GBCAD0000921
CopyrightID (CopyrightChains transaction hash)
0x33de63add3e23aada6a6c910af351445e588fd551d1895da8147bf5db8a0f717
Copyright registration time
2026-07-07T04:31:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e7cf217d1c400edf663d68264019dff5cf3ae61e83ee2bf59cc04ec7d5e598a0

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.