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

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF057100131
CopyrightID (CopyrightChains transaction hash)
0xbc6930b839b32518d5b9c3bf1c9868d5f1b9baa2f8ea71bde4f4b926a881f85a
Copyright registration time
2026-06-24T10:12:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:dd4a1a88ab71e3e1b54a6dc18bc90fa9008f9c0d106305872a1ce783f7e1d20e

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.