Der gestrenge Lehrer

Recording by Robert Schumann.

Recording identifiers

ISRC
DEF058331277
CopyrightID (CopyrightChains transaction hash)
0xfcfeba528302ec89e11ca07870a15806e5b7fa0ca627a37f61a141f2953e0569
Copyright registration time
2026-07-07T16:58:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:7f583890ab21f92c685f17315aff9e95cfb7cc1e6ec0e4ede96261fe18cc8d03

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.