OT-2026-000020190
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020190) never changes.
Identity and time
| Publication number | OT-2026-000020190 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7cf0-af1f-951514238f03 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020190 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6212c1b97ebf1ec068c8b20fd3166f2f0ca4a3aa50ec71c93a92f51b74abc3f |
|---|---|
| Markdown | 9e13273c113c900e56b591895f16e19869735743b0a21580c8a6dc27b74ff997 |
| Publication page | 8b1638cbb2d271184356f07167df9712922fcc27966ca1a07015dc62042fa353 |
| Manifest | e5c7b7faec2032bc9c2d6d026590413b2d8971a17d19634273b03581d01d824a |
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 | ivIU/7pvuwJ8JihGuRfSFQKvhmL7w3wvSkmcIhfGSRBsC+RR9sLqYDps1Ubb6GYHaVYagrYd3NvAmHDKFCTzBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:31.077718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020190observed 8b1638cbb2d271184356f07167df9712...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:31.060991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020190/manifest.jsonobserved e5c7b7faec2032bc9c2d6d026590413b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.041529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020190/publication.mdobserved 9e13273c113c900e56b591895f16e198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.022355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020190/publication.txtobserved e6212c1b97ebf1ec068c8b20fd3166f2...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. |
|---|