Symphonic Studies, Op. 13: Etude V

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100886
CopyrightID (CopyrightChains transaction hash)
0xa97c4a95e16a9d42b122929bcc259047aecd9ba910e69d4f09184d7c7b7c3fe6

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T19:42:40Z
Bitcoin block
960300
Canonical record hash
sha256:a2af4731caba4e25764b0bfba45083f6a86019367f198b226e4841e6e62da340

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.