ISRC GBF077041207

Verified recording

GBF077041207 is “Die Zirkusprinzessin - Operetta in 3 Acts / Act 1: Zwei Märchenaugen” by Emmerich Kálmán, registered on the CopyrightChains blockchain with CopyrightID 0x9badb98b1043afed28175d1ba772ddaf87e81e93d8e93c17d82b5507bc8b41c3 and independently timestamped in Bitcoin block 960448 on 2026-07-31. Verify the canonical record, hash, and Bitcoin attestation at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041207.

Recording identifiers

ISRC
GBF077041207
Title
Die Zirkusprinzessin - Operetta in 3 Acts / Act 1: Zwei Märchenaugen
Artist
Emmerich Kálmán
CopyrightID (CopyrightChains transaction hash)
0x9badb98b1043afed28175d1ba772ddaf87e81e93d8e93c17d82b5507bc8b41c3

Dual-chain proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12+00:00
Bitcoin block
960448
Canonical record hash
sha256:525ea4022442d7fd2fad7b463b0e38c9b78f41f1f6bf1fed4a2b385837a3ee02
Verification API (6-check server-side result)
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077041207
Bitcoin block existence check
https://blockstream.info/api/block/960448

Full record

Track page: Die Zirkusprinzessin - Operetta in 3 Acts / Act 1: Zwei Märchenaugen · Machine-readable JSON-LD