OT-2026-000005653
Publication integrity record
Porous face vacuum gripper, common isolation valve, pump fed, contact triggered
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-2026-000005653) never changes.
Identity and time
| Publication number | OT-2026-000005653 · never reused |
|---|---|
| Internal UUID | 01a0a940-5322-72a5-a22e-48052c76f238 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:06:00.229821Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005653 |
| Status | PUBLIC |
Content hashes
| Canonical text | 05b4d40ac64941648746f5dd0bbe04066405316255d852544f83c2bc7796d190 |
|---|---|
| Markdown | d2ada44407b38be76077adddea94efb18a5bfef8b97500a21ae7fbabb067186a |
| Publication page | 0e3ce3669c76b796ea28383e630e6d69e0b230ec8a7d0a419d221419158826f0 |
| Manifest | 19970763f1b72f688dcdf7cf63d755294321e68a2ba5224a06105c777ec76645 |
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 | oahZEWh2EBMYxn+dPQ/6dxwnuyIUrI3GkzjjNgWE5Et/wu9rBQZAe0cGqXIYEqqFuurxSDFSwQZko+dJSYD2Aw== |
| 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
| 2026-09-16T08:10:15.928513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005653observed 0e3ce3669c76b796ea28383e630e6d69...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:15.914825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005653/manifest.jsonobserved 19970763f1b72f688dcdf7cf63d75529...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:15.899183Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005653/publication.mdobserved d2ada44407b38be76077adddea94efb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:15.883973Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005653/publication.txtobserved 05b4d40ac64941648746f5dd0bbe0406...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. |
|---|