OT-2026-000008228
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, vented before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000008228) never changes.
Identity and time
| Publication number | OT-2026-000008228 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908d-74aa-95c9-23819221ad5d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008228 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8739cbeecb36f87f487fd34a1e36d250a8ebffa294b90b5f63c341d76bbaf37 |
|---|---|
| Markdown | bf61babd3659bdc509051569e6423967ea41693222a8761d84c448fb6d2395b0 |
| Publication page | 536e01d6df575ec0e8477dd1b42d98bb20869f7228e731b70c8d5674f13ef4c8 |
| Manifest | a88d1f47b515f19b3051ffda54e55adad2177e0e8d81c44a164dd834bc3e77b4 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | 04j33G9V48o8/wW7Oxf/YRv7MTb+fDIm2LhNMXYg6qCCyTsTWPUGBGDEQP/2tvOFKCA0UiT/Sc+5R/OKL1cHDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:38.905782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008228observed 536e01d6df575ec0e8477dd1b42d98bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:38.887514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008228/manifest.jsonobserved a88d1f47b515f19b3051ffda54e55ada...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:38.868215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008228/publication.mdobserved bf61babd3659bdc509051569e6423967...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:38.850306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008228/publication.txtobserved e8739cbeecb36f87f487fd34a1e36d25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|