ISRC GBJ2F1010747
Verified recording
GBJ2F1010747 is “The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xbd4c1d10d84e7f605c9421e6877a796759658250f88e4b1d567390d056929815 and independently timestamped
in Bitcoin block 960247 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010747.
Recording identifiers
- ISRC
- GBJ2F1010747
- Title
- The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xbd4c1d10d84e7f605c9421e6877a796759658250f88e4b1d567390d056929815
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T10:42:33+00:00
- Bitcoin block
- 960247
- Canonical record hash
sha256:74c544a12a30318e2a9a1ba57788eed5c286089bd497f8488bff8d4b050f6c3f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010747
- Bitcoin block existence check
- https://blockstream.info/api/block/960247
Full record
Track page: The Merry Widow: Act II, "Nun lasst uns aber wie daheim...Viljalied" · Machine-readable JSON-LD