OT-2026-000004337
Publication integrity record
Porous face vacuum gripper, common isolation valve, three outlet manifold, three stage ejector, pressure verified
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-2026-000004337) never changes.
Identity and time
| Publication number | OT-2026-000004337 · never reused |
|---|---|
| Internal UUID | 01a0a914-6c9e-7a89-a0aa-bbae39e2f493 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:18:03.169662Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004337 |
| Status | PUBLIC |
Content hashes
| Canonical text | d75e0d8a57642d68be40a08f6b9d2fc9b2048f94c665a93eafa8379897211cea |
|---|---|
| Markdown | 4a9b29b192907cd68a27222f2fdd8cab42f269e32d7cd85c7c8099132711d2da |
| Publication page | 61613ddd1b84a7ee560511c20a6f8510a0d8434de1b7aaa02c65a77370a81834 |
| Manifest | 565524c18e0f373e77aa983e030aa5487edc81aa1f8d3f31d6a60ecb0d1bf3bc |
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 | iZQ+v+5LS6s3DmeNrFvDxwm6dtsSYXLtRpEdV3y97RKLb0RqKJfBI6QjfwpTLFhMZAc7VruFDAK/VF4UMr9XAw== |
| 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
| 2026-09-16T07:20:09.396023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004337observed 61613ddd1b84a7ee560511c20a6f8510...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:09.381227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004337/manifest.jsonobserved 565524c18e0f373e77aa983e030aa548...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:09.240896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004337/publication.mdobserved 4a9b29b192907cd68a27222f2fdd8cab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:09.226152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004337/publication.txtobserved d75e0d8a57642d68be40a08f6b9d2fc9...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. |
|---|