Symphonic Studies, Op. 13: Etude X

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100893
CopyrightID (CopyrightChains transaction hash)
0xa9f49ee3807b34262384683b71295037b87cd3effebd4ca54eb909ce606f85eb
Copyright registration time
2026-07-07T02:56:45+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:dccdf0eaca603a2149c121df2575cb342984f5b0b7312f09cf9d60d6392523ea

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.