ISRC GBJ2F1010735
Verified recording
GBJ2F1010735 is “The Merry Widow: Act I, "Verehrteste Damen un Herren"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xe2b78f912a725f0bf4f0b9c8cf0c5cbcdd0072ebeaac3a97db5bd9151b02855c and independently timestamped
in Bitcoin block 960160 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010735.
Recording identifiers
- ISRC
- GBJ2F1010735
- Title
- The Merry Widow: Act I, "Verehrteste Damen un Herren"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xe2b78f912a725f0bf4f0b9c8cf0c5cbcdd0072ebeaac3a97db5bd9151b02855c
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T22:48:59+00:00
- Bitcoin block
- 960160
- Canonical record hash
sha256:f2a53f3b5e853f7befd39759b284de518fc39827e57718b5597060b2e944ad3f- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010735
- Bitcoin block existence check
- https://blockstream.info/api/block/960160
Full record
Track page: The Merry Widow: Act I, "Verehrteste Damen un Herren" · Machine-readable JSON-LD