Piano Sonata No. 7 in E flat, D. 568: I. Allegro moderato

Recording by Franz Schubert.

Recording identifiers

ISRC
DEN961401241
CopyrightID (CopyrightChains transaction hash)
0xa74ec47a2fa8cc87f4ae47656e38208a5a1945f477311ffc9c15781e034adfe4
Copyright registration time
2026-06-26T11:27:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:2a19bb3bd7a3c71e9eec75945b7824be6d7b730b922b4d4b9f70888b6b127d47

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.