OT-2026-000004233
Publication integrity record
Porous face vacuum gripper, four outlet manifold, three stage ejector, contact triggered on the face
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-2026-000004233) never changes.
Identity and time
| Publication number | OT-2026-000004233 · never reused |
|---|---|
| Internal UUID | 01a0a911-e729-7321-978b-9acf55a3bd5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:17.932492Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004233 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd49166c4817611b0535707d7e7db4ec63cdf218f49332f4d3eed08530ac13db |
|---|---|
| Markdown | 7b22d8edce9a030582fdd4602c2d5765afe1e4387c3560b3682e514049c84132 |
| Publication page | fc49957d303759a9201ab7895c29923fd49c23b7a05a7dc16d76eda92fc00802 |
| Manifest | f22c72207e302e1b5fa4042b533d4b69d244dc73055e80fe99320927992c7bac |
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 | EMxnR8JfKzi3TxfTDV0tU/D6deddOc/46CbSAx8kFSpLD+ktr3efgrsTf0B67mrNGsfERtwnaXE0k0kSbbBPCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:21.154589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004233observed fc49957d303759a9201ab7895c29923f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:21.141276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004233/manifest.jsonobserved f22c72207e302e1b5fa4042b533d4b69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:21.127426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004233/publication.mdobserved 7b22d8edce9a030582fdd4602c2d5765...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.993959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004233/publication.txtobserved cd49166c4817611b0535707d7e7db4ec...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. |
|---|