Das Klavierkonzert

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058331286
CopyrightID (CopyrightChains transaction hash)
0xea60b5a30546ae69d3ac6ed0379f08bc127f6c9a559be5a5f2a8c275659e1528
Copyright registration time
2026-07-07T17:03:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5cd5be98c11d2ac1467949c68b4dcb9243016e1a08e89d89df42b5d21db5c49b

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.