Die lustige Witwe: Da geh' ich zu Maxim

Recording by Franz Lehár.

Recording identifiers

ISRC
DEE860700876
CopyrightID (CopyrightChains transaction hash)
0xc2b688e3594bb5978ee93de64f0577108aaffc0ec0b04b565d00700f90bb8afc
Copyright registration time
2026-07-06T05:08:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:48c1deb99c74cbc7305132c9af78bf25e2b07acb1a50264816d0f6e4d0ec3e16

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.