Fünf Stücke im Volkston, Op.102: II. Langsam

Recording by Robert Schumann.

Recording identifiers

ISRC
FRZ140302060
CopyrightID (CopyrightChains transaction hash)
0xef6939a54c93a1b0ffcc148e94b1e29311522a3a891cd9ce2f88ba6ec3f6aa2d
Copyright registration time
2026-07-07T23:23:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:74449e13b84a46292cec88572775d91c66d4821b922ce80e1398b6f3e421ecbe

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.