Symphony No. 4 in D Minor, Op. 120: I. Ziemlich langsam - Lebhaft

Recording by Robert Schumann.

Recording identifiers

ISRC
NLB152400552
CopyrightID (CopyrightChains transaction hash)
0x5ea2a71ca2944805777577fc63b7dfa31b852142e00a9fb1bb47f0c2d58537c3
Copyright registration time
2026-07-07T06:36:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e581282fb5363b6e7be0de4253f1082343f130e9afd3cf7499d27d19587d9681

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.