OT-2026-000019091
Publication integrity record
Two bellows cup vacuum gripper, two zone face, single 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-2026-000019091) never changes.
Identity and time
| Publication number | OT-2026-000019091 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-7bf3-afff-d3bfc8f70215 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019091 |
| Status | PUBLIC |
Content hashes
| Canonical text | 071909e018391f2b6719f94b55d239d1d7524a37c21a71a8de6d6df57711700a |
|---|---|
| Markdown | 0df1c3d7bc8c2fa44114ea7ba45540dc8b509f041ab9b0b8a43b6faef64a4894 |
| Publication page | baa1695eb1af7e6e9161e7302ae5ef3fbead76682d8eed343a8c369101b59c53 |
| Manifest | 0837e1929337de21712514cbc2ce8190e1ca1e4fa390f95c778570aae521a083 |
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 | we8nFKBeKTba8hEkuCz/TkB1xp6wDP7gUu+0XipyafzbQewMtbxvoZU6aZZyjpMAysKdqCpMgXf/Kjr2ULjtAw== |
| 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
| 2026-10-02T04:23:32.686936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091observed baa1695eb1af7e6e9161e7302ae5ef3f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T04:23:32.671717Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/manifest.jsonobserved 0837e1929337de21712514cbc2ce8190...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:32.656223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/publication.mdobserved 0df1c3d7bc8c2fa44114ea7ba45540dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-02T04:23:32.635895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/publication.txtobserved 071909e018391f2b6719f94b55d239d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:09.738148Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091observed baa1695eb1af7e6e9161e7302ae5ef3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:09.684748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/manifest.jsonobserved 0837e1929337de21712514cbc2ce8190...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:09.633457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/publication.mdobserved 0df1c3d7bc8c2fa44114ea7ba45540dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T00:41:09.576714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019091/publication.txtobserved 071909e018391f2b6719f94b55d239d1...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
| 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 |
|---|