Symphonic Studies, Op. 13: Etude VII

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100888
CopyrightID (CopyrightChains transaction hash)
0xf44594a5579cd87a11f578fe6a446c4323ce4dbdac3a680c850abd20afe87091
Copyright registration time
2026-07-07T00:45:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:74401d34c963669fc5b873bb74f7ce9fbbd99a6632a85ce7dd6e3db9ab188f69

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.