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

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058704701
CopyrightID (CopyrightChains transaction hash)
0x53e864842919e63d4bb847a8cad05e06a4b99ccac51b63705b09f5a29a1b6952
Copyright registration time
2026-07-02T22:44:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:63cd2888dec4afba90b375999ed18c6f11a09b3e4f7e15eaf298ef91afd20fa1

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.