Das Land des Lächelns / Act 1: Von Apfelblüten einen Kranz

Recording by Franz Lehár.

Recording identifiers

ISRC
DEF066802350
Release date of the album this recording appears on
1968-01-01
CopyrightID (CopyrightChains transaction hash)
0xcc794a14f8c0865a09d9844b3ba6078288173726490a75916296b5ac26fca0d6
Copyright registration time
2026-07-30T07:13:34+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T07:28:30Z
Bitcoin block
960220
Canonical record hash
sha256:82e07696276016040869c40cb30ed560133ab103c3a5eaed5bbfe95ca8de0584

What this proof establishes

This recording was released in 1968, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and 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.