OT-2026-000028897
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000028897) never changes.
Identity and time
| Publication number | OT-2026-000028897 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-79aa-805e-61df43c7bdb1 · 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-2026-000028897 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a97030763452aa7da022402cc11ab77d5dfcd72c383572d780a34381bcb8d2a |
|---|---|
| Markdown | 5e415a83bcdfb8454847fdb2ecbd6292f7c957822f4b19ea12549f99323c6889 |
| Publication page | f5747a9df312785be815ce7f8a5d392e239ce0be836a0f898eccd97e7109cf46 |
| Manifest | aa3e48a20f769bdcb88619172e20fb9488aa543036a936303cbd59b3b2f8eb3b |
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 | scvsYrzdm5CS3VWHzheAxMk4265cu7l3vvcxa+kNcVM9ociW2h+7c/CFUASuqS3CnwZ4uXVhfu7td16g4CB9CA== |
| 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
| 2026-09-17T08:20:11.226857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028897observed f5747a9df312785be815ce7f8a5d392e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:11.209377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028897/manifest.jsonobserved aa3e48a20f769bdcb88619172e20fb94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.187452Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028897/publication.mdobserved 5e415a83bcdfb8454847fdb2ecbd6292...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:11.042933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028897/publication.txtobserved 9a97030763452aa7da022402cc11ab77...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. |
|---|