OT-2026-000004564
Publication integrity record
Porous face vacuum gripper, four zone face, common isolation valve, plant vacuum fed
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-2026-000004564) never changes.
Identity and time
| Publication number | OT-2026-000004564 · never reused |
|---|---|
| Internal UUID | 01a0a91c-195d-7a46-8db3-560d242c98f7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:26.143849Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004564 |
| Status | PUBLIC |
Content hashes
| Canonical text | d52bec3f36cc1ad98a6a60ec82d10e858174ab2827659d04c129c5441c776a04 |
|---|---|
| Markdown | 459341bd9820c714f8bb64316a91e729a79b45a708304613944ccb1708783d41 |
| Publication page | c48f0f282e91ac2916bc52beff512d2eb4f4967fefc8db6ebf0a008f1969bd47 |
| Manifest | e8689ee7791f44fa0b8715d5ef292d75ba623614eaae0b12c5c7bfeecef572d9 |
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 | uQsD9rw2fWpeEb75C667FH081ZUotdSr+e8GFX1IdAGXnjn55PEOA97P3+JJPxvrQ9VYusOuGZcYgovP4plyCQ== |
| 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
| 2026-09-16T07:30:14.398413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004564observed c48f0f282e91ac2916bc52beff512d2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:14.385187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004564/manifest.jsonobserved e8689ee7791f44fa0b8715d5ef292d75...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.372696Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004564/publication.mdobserved 459341bd9820c714f8bb64316a91e729...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.243420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004564/publication.txtobserved d52bec3f36cc1ad98a6a60ec82d10e85...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. |
|---|