OT-2026-000004005
Publication integrity record
Porous face vacuum gripper, two stage ejector, pressure verified at each zone
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-2026-000004005) never changes.
Identity and time
| Publication number | OT-2026-000004005 · never reused |
|---|---|
| Internal UUID | 01a0a90c-a8e2-79a4-98c4-1f9b9932b562 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:34.309597Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004005 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6a9dd0e9fc8587e6117d6aba11bdcd47bd07c4d65a0d8fd6a5fa90bdf09be716 |
|---|---|
| Markdown | 1de5ada6156822b6fbf38f3ed28f3b34c845c6095cf74e8561dd0b7c5dfc14d1 |
| Publication page | e06fe823c184dfdf4a1318de786f75dcab344dee4b1c6ea8dde90aca6c250a33 |
| Manifest | 3affa716428933f8381ccf5a5447e4ae75a164f4905f103cb2fde16cdec7b2d8 |
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 | i0DIDVVwWQ8oyh+ZHlKsWzPpELhvJOjnnoJymau1IDXmBZaSNFuCEjJN1o0xL9bvGz60FA0/PO4NKbwu0Zv/Cg== |
| 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
| 2026-09-16T07:10:06.838154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004005observed e06fe823c184dfdf4a1318de786f75dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:06.824122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004005/manifest.jsonobserved 3affa716428933f8381ccf5a5447e4ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.798385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004005/publication.mdobserved 1de5ada6156822b6fbf38f3ed28f3b34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.777889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004005/publication.txtobserved 6a9dd0e9fc8587e6117d6aba11bdcd47...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. |
|---|