Symphonic Studies, Op. 13: Etude III

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100884
CopyrightID (CopyrightChains transaction hash)
0xb8ce5db700db989b22d7a298006d9a6a8d0b30692401a39b928cde6586748a86
Copyright registration time
2026-07-06T20:25:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:be7c0db5aec9b1fcd1bcb8b397488a74e902504e8391fd62ea630270dde6f104

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.