ISRC GBJ2F1010755
Verified recording
GBJ2F1010755 is “The Merry Widow: Act II, "Sieh dort den kleinen Pavillon"” by Franz Lehár,
registered on the CopyrightChains blockchain with CopyrightID
0xff6653d3a31f1d06e3eecc07d14b1b7bc0f85490c733b21b72e84c15947925a7 and independently timestamped
in Bitcoin block 960179 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010755.
Recording identifiers
- ISRC
- GBJ2F1010755
- Title
- The Merry Widow: Act II, "Sieh dort den kleinen Pavillon"
- Artist
- Franz Lehár
- CopyrightID (CopyrightChains transaction hash)
0xff6653d3a31f1d06e3eecc07d14b1b7bc0f85490c733b21b72e84c15947925a7
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T00:39:11+00:00
- Bitcoin block
- 960179
- Canonical record hash
sha256:11c965c2bd22077a2cab7c04afaa99543c7d1467cec642d3c6fd087121432440- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBJ2F1010755
- Bitcoin block existence check
- https://blockstream.info/api/block/960179
Full record
Track page: The Merry Widow: Act II, "Sieh dort den kleinen Pavillon" · Machine-readable JSON-LD