Fantasiestücke, Op. 12: III. Warum?

Recording by Robert Schumann.

Recording identifiers

ISRC
DEN962004910
CopyrightID (CopyrightChains transaction hash)
0xbcd9fd56e0190525f4b754f9df1cbcae3809c6c912cdb6ea76c2c35e913573a3
Copyright registration time
2026-07-29T13:13:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T13:21:01Z
Bitcoin block
960111
Canonical record hash
sha256:a896b719f2f5b8e1224f2b42005ec1aa832750351ddd2b0c2ced9f30c95aa1ac

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.