ISRC GBJ2F1010737
Verified recording
GBJ2F1010737 is “The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0x634c49908e7a356322572f00f47e3771ce28350a0ab37247d1320c364dc738e0 and independently timestamped
in Bitcoin block 960164 on 2026-07-29.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010737.
Recording identifiers
- ISRC
- GBJ2F1010737
- Title
- The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0x634c49908e7a356322572f00f47e3771ce28350a0ab37247d1320c364dc738e0
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-29T23:23:05+00:00
- Bitcoin block
- 960164
- Canonical record hash
sha256:3515f2c7b66bbcdefbd75e170f0eb6339d06876c7dc380b747f6bf7812fdf6e1- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010737
- Bitcoin block existence check
- https://blockstream.info/api/block/960164
Full record
Track page: The Merry Widow: Act I, "So kommen Sie!...Ich bin eine anständ'ge Frau" · Machine-readable JSON-LD