ISRC GBF077642418
Verified recording
GBF077642418 is “The Grand Duke / Act 2: Your loyalty our... At the outset I may mention” by Arthur Sullivan,
registered on the CopyrightChains blockchain with CopyrightID
0x4c9ce070c31260403ba712ee57b5cc26131f195da4ae1f667e212aae47843ed4 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/GBF077642418.
Recording identifiers
- ISRC
- GBF077642418
- Title
- The Grand Duke / Act 2: Your loyalty our... At the outset I may mention
- Artist
- Arthur Sullivan
- CopyrightID (CopyrightChains transaction hash)
0x4c9ce070c31260403ba712ee57b5cc26131f195da4ae1f667e212aae47843ed4
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-08T03:20:19+00:00
- Bitcoin block
- 957118
- Canonical record hash
sha256:0913834eeafb8590dfcb856905c474d9d3220a39e38ed3164bd45aeef85b1469- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF077642418
- Bitcoin block existence check
- https://blockstream.info/api/block/957118
Full record
Track page: The Grand Duke / Act 2: Your loyalty our... At the outset I may mention · Machine-readable JSON-LD