OT-2026-000004249
Publication integrity record
Porous face vacuum gripper, per zone isolation, two outlet manifold, three 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-2026-000004249) never changes.
Identity and time
| Publication number | OT-2026-000004249 · never reused |
|---|---|
| Internal UUID | 01a0a912-948d-761e-841a-b7c9b84e87df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:02.320170Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004249 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60b4efb4ffd201909ab4d4e734d10a712b9af91abfc90a3b004e9247acb73f1a |
|---|---|
| Markdown | c164e4fe7c8033e9fa82c294c2aea1d54c6d40dd0ef65a69ec36701be6335ac3 |
| Publication page | 2f14ae03d9f2746ade1938143fc547e7d14651a8c9a790f687a8a6cf8f8376e0 |
| Manifest | 3a17697405cfd07d4ec89703122c106c1c1e64738e062e27cd741a77fd599480 |
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 | UXGIeLvf13zJ6OlKSsgZX/7W4mPBSm2k0hCzgVUYinn7X2QF2szw9bMx3gT1zd6z0oY9bFVwgPSF3Gpk+A8DCA== |
| 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
| 2026-09-16T07:20:19.386344Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004249observed 2f14ae03d9f2746ade1938143fc547e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:19.371618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004249/manifest.jsonobserved 3a17697405cfd07d4ec89703122c106c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.239618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004249/publication.mdobserved c164e4fe7c8033e9fa82c294c2aea1d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:19.223162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004249/publication.txtobserved 60b4efb4ffd201909ab4d4e734d10a71...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. |
|---|