OT-2026-000004284
Publication integrity record
Porous face vacuum gripper, per zone isolation, six 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-2026-000004284) never changes.
Identity and time
| Publication number | OT-2026-000004284 · never reused |
|---|---|
| Internal UUID | 01a0a913-2579-79c5-a161-83d3d80130b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:16:39.420711Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004284 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8984f578d9ebe54f36ba0d63d73c6d40e23e591344c36a910aff15d6a85d7d0f |
|---|---|
| Markdown | 99a36d961d4cb02059ab47b9356053d4b604f6a9b8806e1552e73b8e3fe84f5e |
| Publication page | b27b20b20e3d7c3a2b17adcd9a550d7cc368be8ba33128e3f9e065c70f90b7b4 |
| Manifest | 991f239cb0f8ae88184c5232f71e2b92700f9e8cb2ceb9bb27781ffb89af650e |
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 | G92WSmRdLHG7x+r911KTELJvbrdgMokceqCL6zI1Zr2EqYciI4Vw0KfloSCu79weD5hLhT51CVWdCNjohPLiAQ== |
| 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
| 2026-09-16T07:20:15.376647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004284observed b27b20b20e3d7c3a2b17adcd9a550d7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:15.240638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004284/manifest.jsonobserved 991f239cb0f8ae88184c5232f71e2b92...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.225926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004284/publication.mdobserved 99a36d961d4cb02059ab47b9356053d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:15.212177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004284/publication.txtobserved 8984f578d9ebe54f36ba0d63d73c6d40...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. |
|---|