Die Zirkusprinzessin, Akt I: Ouvertüre

Recording by Emmerich Kálmán.

Recording identifiers

ISRC
DEHB51286667
CopyrightID (CopyrightChains transaction hash)
0x10072e9360424d4201b29832c579b5c3a087f32285cb9670abb7742dacae8cdd
Copyright registration time
2026-07-31T10:55:49+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T12:24:41Z
Bitcoin block
960397
Canonical record hash
sha256:9da5ba631abed91e46e350c29b6099de74a98ba0bb192ceb5819ba755215a18b

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.