ISRC GBF077642412
Verified recording
GBF077642412 is “The Grand Duke / Act 1: The good Grand Duke of Pfennig Halbpfennig” by Arthur Sullivan,
registered on the CopyrightChains blockchain with CopyrightID
0xc7411e3a245528f82c948ac2d88f55e98cb96add62e046c2acc4d47d209b1829 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/GBF077642412.
Recording identifiers
- ISRC
- GBF077642412
- Title
- The Grand Duke / Act 1: The good Grand Duke of Pfennig Halbpfennig
- Artist
- Arthur Sullivan
- CopyrightID (CopyrightChains transaction hash)
0xc7411e3a245528f82c948ac2d88f55e98cb96add62e046c2acc4d47d209b1829
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:db71d6aa923164e434d6482585d7e0e65417bd99dc4b49ae38eca7e78d5cfce5- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642412
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Grand Duke / Act 1: The good Grand Duke of Pfennig Halbpfennig · Machine-readable JSON-LD