OT-2026-000004313
Publication integrity record
Porous face vacuum gripper, two zone face, three outlet manifold, pump fed, 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-2026-000004313) never changes.
Identity and time
| Publication number | OT-2026-000004313 · never reused |
|---|---|
| Internal UUID | 01a0a913-ae25-7b4e-9c54-adb1cba84d2a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:17:14.408513Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004313 |
| Status | PUBLIC |
Content hashes
| Canonical text | ee81ad83ebeb5040f802c29ed97bffba3c3e3678785a37d7d85909758a153254 |
|---|---|
| Markdown | 462ac4dbdbb203f7d107f60f4efe3744d9a389d82a596e7ceb47e31f5e34540d |
| Publication page | 1d9166c560b59cb6ec773d9d1ac7d0478a706cb738bb1fa094435dc7f5a35196 |
| Manifest | 823341bee373a8eaa3798615833216c154f4a867156b0664011ff9a651f6e240 |
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 | KEATstBkY6am7CLfv0T7nQ/Ogxz97cox9QqfFfVgQrOQorje+S+MFNC/AzlLFwkWLhp/iHKJEH3HB/Utm7e9BQ== |
| 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
| 2026-09-16T07:20:12.120079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004313observed 1d9166c560b59cb6ec773d9d1ac7d047...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:11.991947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004313/manifest.jsonobserved 823341bee373a8eaa3798615833216c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.979754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004313/publication.mdobserved 462ac4dbdbb203f7d107f60f4efe3744...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:11.966381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004313/publication.txtobserved ee81ad83ebeb5040f802c29ed97bffba...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. |
|---|