OT-2026-000028811
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off 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-2026-000028811) never changes.
Identity and time
| Publication number | OT-2026-000028811 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7be2-96b6-29a05d677818 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028811 |
| Status | PUBLIC |
Content hashes
| Canonical text | 96b30f1e11c17689e97e6deb4ed868b0f98fd3979b49c3a6b3c6ed6a2344463b |
|---|---|
| Markdown | e908c81480c5537e198625e35afb08e3fa987ccce652c2d3eab8e135403ce382 |
| Publication page | 6b10290a7bcd7c7d64f81c42e1b96de05a48d32326824953baf075af703720a4 |
| Manifest | 676697f17b7be040f01339afed2ab98e65c0fff7b3b1f4cc6beeeb215522182f |
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 | YW+mEQDUE5NooNiavTPOHJlwMZlqQsAxrQM7uZ0GcOIamU1PeL72GZynFkgnqQk5BRdFIjTfrjtFCCpmQU2EAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T08:43:45.973584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028811observed 6b10290a7bcd7c7d64f81c42e1b96de0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:43:45.558074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028811/manifest.jsonobserved 676697f17b7be040f01339afed2ab98e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:45.082915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028811/publication.mdobserved e908c81480c5537e198625e35afb08e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:43:44.830274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028811/publication.txtobserved 96b30f1e11c17689e97e6deb4ed868b0...fetched by grabo-systems from 34.44.131.203, 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. |
|---|