OT-2026-000028835
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000028835) never changes.
Identity and time
| Publication number | OT-2026-000028835 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7e85-ad27-3fd9bda34ab2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028835 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94dd8c8cf22a292cd52ccf807aec707676c5af07ff9dc5df62034f620d314092 |
|---|---|
| Markdown | 86aa6e8c774b14ff29763c6c3191bf31276c63435ccb864517802808133f71ef |
| Publication page | 8159eb319cfa2839c18c9e4563149d610787e0aa7c549cd2679df9c8ac8d024c |
| Manifest | f149edbafb5a1f93b29b72ccca7cb29bfd45c05bab96d9c2b594fad4a52ff74e |
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 | NHt2g69nJa5KnBkCEneAqtUWT4oAno8rAYttzLvLGsKb4BzN2IJKxi/7Ut6QtpuHF5obUC0Iosm9Y8vGsltyDA== |
| 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
| 2026-09-17T08:20:06.270148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028835observed 8159eb319cfa2839c18c9e4563149d61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:06.248659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028835/manifest.jsonobserved f149edbafb5a1f93b29b72ccca7cb29b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:06.229005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028835/publication.mdobserved 86aa6e8c774b14ff29763c6c3191bf31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:06.210992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028835/publication.txtobserved 94dd8c8cf22a292cd52ccf807aec7076...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. |
|---|