OT-2026-000005200
Publication integrity record
Porous face vacuum gripper, common isolation valve, plant vacuum fed, closed cell
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-2026-000005200) never changes.
Identity and time
| Publication number | OT-2026-000005200 · never reused |
|---|---|
| Internal UUID | 01a0a931-1480-7605-8c6a-16ac0bbf5ee2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:49:21.155728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005200 |
| Status | PUBLIC |
Content hashes
| Canonical text | 971fa188dd3dfc27e77ba247b781cf6b5e90d0b0b9904f78821ccff6b1471f3e |
|---|---|
| Markdown | c5a87915b51cf5b54fa7be725de50a8ee3685cb96fa173bf6f44625428b16d83 |
| Publication page | 126b901e0d8cd749a000f8317e888d94ccafd7ca760220fc9d28ba4aab2821e6 |
| Manifest | 44494ed16ca7ba747a5ee42bb3264eb194cbcab4f410401602517842b5fca3c1 |
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 | AG8t4VUTSB1plS9sa/yUd7KkTqfta+W2pVY/iLd4h4gzVCXgzeNDxYTrLmuafbXs/V4dVqCAMn0kuVgc4PxnCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T07:50:04.440909Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005200observed 126b901e0d8cd749a000f8317e888d94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:04.426929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005200/manifest.jsonobserved 44494ed16ca7ba747a5ee42bb3264eb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:04.413268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005200/publication.mdobserved c5a87915b51cf5b54fa7be725de50a8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:04.400286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005200/publication.txtobserved 971fa188dd3dfc27e77ba247b781cf6b...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. |
|---|