OT-2026-000031482
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031482) never changes.
Identity and time
| Publication number | OT-2026-000031482 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-722f-ae29-a086c38e4529 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031482 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3c66d014973383956708ef4ff71741f643afb4839e15817e1cdcd61f227e72ed |
|---|---|
| Markdown | 177a35b927e913a7c6e4c3deb03bf437aa7d2d4e36456c82d1e4b8aa2f0ad278 |
| Publication page | f0f6d5411407e2396d004f40ede1041747871e13bda8cf9f94c804153f9c8e3d |
| Manifest | 69935b98e40c34ba931ef14fb0dcc03ed963565bec7d3cd92a8e86700a93a994 |
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 | Up6e6URUNwF+nK8mmRcA2SJGxxUYiZtEPAN69XzEsNE/tyifuu8f62uhZ5qPTiO+MZ/owL4zgGpVMqbEre/2CQ== |
| 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
| 2026-10-25T16:41:03.298116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482observed f0f6d5411407e2396d004f40ede10417...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T16:41:03.231893Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/manifest.jsonobserved 69935b98e40c34ba931ef14fb0dcc03e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.157147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/publication.mdobserved 177a35b927e913a7c6e4c3deb03bf437...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T16:41:03.096682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/publication.txtobserved 3c66d014973383956708ef4ff71741f6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:24.051812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482observed f0f6d5411407e2396d004f40ede10417...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:24.026951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/manifest.jsonobserved 69935b98e40c34ba931ef14fb0dcc03e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:24.010617Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/publication.mdobserved 177a35b927e913a7c6e4c3deb03bf437...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:23:23.990796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031482/publication.txtobserved 3c66d014973383956708ef4ff71741f6...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|