Fantasiestücke, Op. 12: III. Warum

Recording by Robert Schumann.

Recording identifiers

ISRC
SEWDL6142744
CopyrightID (CopyrightChains transaction hash)
0x95aea14c7fa151d026d4d89c528834ba7d1a4117663fb608b99f292d4a8ee880
Copyright registration time
2026-06-20T08:04:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3ac71610e2fc7b9b0537045a19ef1dfe703566f8aabc439f51ff8398a20ee219

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.