Symphonic Studies, Op. 13: Etude I

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058330202
CopyrightID (CopyrightChains transaction hash)
0x39992a74295a174aec68fddb8752bc63f39266375c602d5d90a9472c21eb87d0
Copyright registration time
2026-07-07T19:31:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ef61e3820b1a1d02704531a8a2362f5a6172962c991b0c6d054a9973cce920c5

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.