OT-2026-000066219
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066219) never changes.
Identity and time
| Publication number | OT-2026-000066219 · never reused |
|---|---|
| Internal UUID | 01a0ae8e-8dc3-7e12-b4bb-027b28eb1c40 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:49:33.262219Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000066219 |
| Status | PUBLIC |
Content hashes
| Canonical text | 220ac1edcd1bb8ba464fdac6c1f4c1ac8d934ba4987881a9954f2456992b4e57 |
|---|---|
| Markdown | f7b7c1531e276ec4a2cec895ef6d17ab0dca3b5b5758c18a70fbbf5f77ad8ab5 |
| Publication page | 8c294dc7d98a37905c80fd11c4c6317928eda3fc93cff5c284aa9ccdf3b165c9 |
| Manifest | 17f0fbf1bdeaa835de2e6c176ccf41c2b69e1e38ade83a665a6f1285a5a67011 |
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 | LBlYe28TRfc3wWCMu8eRI3YYDpYyX91e2I6VKz3fnB/B1je9XJSCT9jSzwKcdHwBtPn/20a76AsW8RyRhYeuBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:33:22.889723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066219observed 8c294dc7d98a37905c80fd11c4c63179...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:33:22.872049Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066219/manifest.jsonobserved 17f0fbf1bdeaa835de2e6c176ccf41c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:22.854620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066219/publication.mdobserved f7b7c1531e276ec4a2cec895ef6d17ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:33:22.837374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066219/publication.txtobserved 220ac1edcd1bb8ba464fdac6c1f4c1ac...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. |
|---|