ISRC USBZE1200004
Verified recording
USBZE1200004 is “Calligraphy” by Laura Sullivan,
registered on the CopyrightChains blockchain with CopyrightID
0x1b39a4c5c10f3f47ad8eb052235d103bafc8c052dc3ef026a97aea626a2b05dc and independently timestamped
in Bitcoin block 956302 on 2026-07-02.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBZE1200004.
Recording identifiers
- ISRC
- USBZE1200004
- Title
- Calligraphy
- Artist
- Laura Sullivan
- CopyrightID (CopyrightChains transaction hash)
0x1b39a4c5c10f3f47ad8eb052235d103bafc8c052dc3ef026a97aea626a2b05dc
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-02T03:30:09+00:00
- Bitcoin block
- 956302
- Canonical record hash
sha256:2e7d678d441043cbf7d0443991ec171c52be917980318dbf73bd6f93eaa85694- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBZE1200004
- Bitcoin block existence check
- https://blockstream.info/api/block/956302