Symphonic Studies, Op. 13: Var. III

Recording by Robert Schumann.

Recording identifiers

ISRC
NLA507000563
CopyrightID (CopyrightChains transaction hash)
0x07eda6966839bb7dd8afb608967426353f732bfd19e359a82667f2fa356b76d3
Copyright registration time
2026-06-22T19:17:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dca763d3180ffddc226d857ccaaed612d8e84b8aa27850eda25d400faff0e701

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.