Das Land des Lächelns: Willst du nicht das Märchen sehen

Recording by Franz Lehár.

Recording identifiers

ISRC
DEF066802410
Release date of the album this recording appears on
1968-01-01
CopyrightID (CopyrightChains transaction hash)
0xb6ebdeb3f8ce6890159cf3e1368ab055cc1d0a04ba7c06041785b015e21a203d
Copyright registration time
2026-07-07T04:38:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e3937032c2917f08b527d8199570139cf79fc0e9fdd0181b21c6b8f2b742791d

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.