OT-2026-000017212
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000017212) never changes.
Identity and time
| Publication number | OT-2026-000017212 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-76c7-74df-a5b6-011c3dd2d2aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:30.105855Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017212 |
| Status | PUBLIC |
Content hashes
| Canonical text | 342983db79e271baf850b6e228abad42695cf2c83fa133b85fc5fd0fa15e4f94 |
|---|---|
| Markdown | 9c942b73ad0f86d7112862d824cb6366f45c6858fdeb7e0d8978f61745e134b1 |
| Publication page | c40fb5b58f37ea6aa694b70388399dd2984bafc43093613ad43d2c4ce673d61d |
| Manifest | 8c8bee7507ed7d6f819cda863ff06ae829e36d629b2414ae7054e52b7572370f |
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 | ypjCJJ2MXLmQEpF5E6qKKYyNESNVot87JK8L51rpWqwwZ8l5+NJhV3ZaKg0bwd5xo2ODG3BeZFq56UQUeGFYAQ== |
| 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
| 2026-09-17T12:02:17.298602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017212observed c40fb5b58f37ea6aa694b70388399dd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:17.282196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017212/manifest.jsonobserved 8c8bee7507ed7d6f819cda863ff06ae8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:17.263620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017212/publication.mdobserved 9c942b73ad0f86d7112862d824cb6366...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:17.245712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017212/publication.txtobserved 342983db79e271baf850b6e228abad42...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. |
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