Das Land des Lächelns: Bei einem Tee a deux

Recording by Franz Lehár.

Recording identifiers

ISRC
DEL111402157
CopyrightID (CopyrightChains transaction hash)
0xe189d66655514c58f87669c227ec7ee994e363dc9c9b43fbeceae151de0d3938
Copyright registration time
2026-07-07T06:57:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:45217faf13a0d0bee6d6d3776ec9a406d55ec151362219e8b00dc6a4ba143e00

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.