ISRC GBJ2F1010749
Verified recording
GBJ2F1010749 is “The Merry Widow: Act II, "Heia, Mädel, aufgeschaut"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xc5bc6e589c1063208f3a328f64127f5132ab5cdfb8621c2b90d8fa0737ed1f1d and independently timestamped
in Bitcoin block 960273 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010749.
Recording identifiers
- ISRC
- GBJ2F1010749
- Title
- The Merry Widow: Act II, "Heia, Mädel, aufgeschaut"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xc5bc6e589c1063208f3a328f64127f5132ab5cdfb8621c2b90d8fa0737ed1f1d
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T15:42:38+00:00
- Bitcoin block
- 960273
- Canonical record hash
sha256:baafce538759e0b49948032af208c7aa3f18e953899600aded736493ff59fcb9- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010749
- Bitcoin block existence check
- https://blockstream.info/api/block/960273
Full record
Track page: The Merry Widow: Act II, "Heia, Mädel, aufgeschaut" · Machine-readable JSON-LD