The Merry Window: Vilja Song

Recording by Franz Lehár.

Recording identifiers

ISRC
HKI199295312
CopyrightID (CopyrightChains transaction hash)
0x88279d0726314a08276e0c1892410cab21010a8e534ff5336516547d3a046644
Copyright registration time
2026-07-06T07:09:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:032f3a98ef156d1c122ceef85225544c62551289f2d1bac6076aa0d0f94f7c1c

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.