Symphony No. 4 in D Minor, Op. 120: IV. Langsam - Lebhaft

Recording by Robert Schumann.

Recording identifiers

ISRC
NLB152400555
CopyrightID (CopyrightChains transaction hash)
0x93ff85897a2db8733930f4b7e32197078d31947c665a5c2742b552f7eaea6146
Copyright registration time
2026-07-07T04:51:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bcf0eaa9d2ad83f1a0db9c7896949aa90136d3faebcc453e3860e50f32784b85

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.