OT-2026-000048343
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000048343) never changes.
Identity and time
| Publication number | OT-2026-000048343 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de4-723a-936a-f998faaf8f0e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048343 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c497328a97da0d9202ae6f888c4b3dfed2a44c28a579dc4e7a12d961da2d3a7 |
|---|---|
| Markdown | 6d32b4d3255b2e15efa1ab9ef69ef8e88c84031cab4db60ca80f02c12b12c119 |
| Publication page | 78d4e593acd1f8979a9b3d0d9e48428937bf408f8293f5190bdd91ced65d2d26 |
| Manifest | 22e1928d83d64dc6106fe9fa2bdac938e411b9aade372e1e91107918bd781ff0 |
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 | sqQrmayiXP5+tGBV3YZZBbS2r2bmVIrh7d4XZmQ17Hsq7XHYRWz0WUQI/6YPgES1rwkukw+VpsNY0GTSI324BA== |
| 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
| 2026-09-17T11:04:57.270137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048343observed 78d4e593acd1f8979a9b3d0d9e484289...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:57.250055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048343/manifest.jsonobserved 22e1928d83d64dc6106fe9fa2bdac938...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:57.229004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048343/publication.mdobserved 6d32b4d3255b2e15efa1ab9ef69ef8e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:57.204137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048343/publication.txtobserved 4c497328a97da0d9202ae6f888c4b3df...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. |
|---|