OT-2026-000004257
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, two stage ejector
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-2026-000004257) never changes.
Identity and time
| Publication number | OT-2026-000004257 · never reused |
|---|---|
| Internal UUID | 01a0a912-b750-7dc2-9d04-81463f73d6c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:11.219231Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 206a68f4dac434a7ea118ae1dede982e2763dfc3a1c6c354ccdd7365c2a04723 |
|---|---|
| Markdown | 3617cb8b13ca1bfbb2843aed36f8d3d3881cd63e8021f702799f7fc31ec6f516 |
| Publication page | 4140857e7dae7526fe088a0accf0e920956f63eb177c4c98bf908a57cb5d896a |
| Manifest | 8dfffcaa99b95bf6f697a721df7d94723ab9dcb2d881ac3a63e51cda572389c7 |
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 | fVBuq1h13VtaNNLWAnyHvE2yIIt3qSqjGYZPOTzbbsMj3vpZ9z/1AIF5VOKYRW8GFwGbZ1sGuWNA+hiDXrpMDw== |
| 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
| 2026-09-16T07:20:18.423261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004257observed 4140857e7dae7526fe088a0accf0e920...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:18.407829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004257/manifest.jsonobserved 8dfffcaa99b95bf6f697a721df7d9472...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.391563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004257/publication.mdobserved 3617cb8b13ca1bfbb2843aed36f8d3d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:18.377917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004257/publication.txtobserved 206a68f4dac434a7ea118ae1dede982e...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. |
|---|