Symphonic Studies, Op. 13: Etude VI

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100887
CopyrightID (CopyrightChains transaction hash)
0xfb503d5e2364fa978a528c3fda14cdb69d9d3b715c40d1bbb411479cd7ad7e98
Copyright registration time
2026-07-29T23:40:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:52:38Z
Bitcoin block
960170
Canonical record hash
sha256:f4d4c17579ebeeb555da0cc45d0bae163e59bf22ebbdd8fcf4f557486c03f32d

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.