Symphonic Studies, Op. 13: Etude I

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058100882
CopyrightID (CopyrightChains transaction hash)
0x595c8ec2d63467ed1177b1e7e19f48cadd4cdc4453aeb54fb958fce747f5ebba
Copyright registration time
2026-07-30T02:49:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T03:35:13Z
Bitcoin block
960203
Canonical record hash
sha256:1fb1b0b99d9099600bb30fdb3dfaf16c70c1ff76b4b04fb57a409eeaabffd538

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.