Warum, weshalb und wieso

Recording by Kurt Widmann & sein Orchester.

Recording identifiers

ISRC
DEUM70801330
CopyrightID (CopyrightChains transaction hash)
0x40a1c3f955be97823a5040ea1b17012eee2bb6e3640c525d69d640158b0a9690
Copyright registration time
2026-07-07T17:48:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:749d99d4bd9401f51099da65bf96679f81b91210904f082cac68dc08c243d3cd

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.