ISRC GBJ2F1010742
Verified recording
GBJ2F1010742 is “The Merry Widow: Act I, "O Vaterland du mächst bei Tag"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xbd8e453147925fb5b42a9fbb75af9585bad09c0a3f171988ab67ccbaa9111057 and independently timestamped
in Bitcoin block 957118 on 2026-07-08.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010742.
Recording identifiers
- ISRC
- GBJ2F1010742
- Title
- The Merry Widow: Act I, "O Vaterland du mächst bei Tag"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xbd8e453147925fb5b42a9fbb75af9585bad09c0a3f171988ab67ccbaa9111057
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:b645ab2294ed86f31d8feeb199b9eceef1f7670b14ede6c718dc2d3bbd6f89cd- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010742
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Merry Widow: Act I, "O Vaterland du mächst bei Tag" · Machine-readable JSON-LD