OT-2026-000042542
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000042542) never changes.
Identity and time
| Publication number | OT-2026-000042542 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cd-7a98-aa1d-e0f146881a56 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042542 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f18e2f4383cd459b13e68a198a13e3bbbeed89edf20426ac9ace55b98183c8b |
|---|---|
| Markdown | 9752acaa04f366f705502c0c60bcbc88ce3c1046253f4222d5ed9bca9d67a638 |
| Publication page | 76a8fc54c0f638c1846fd5b239ce93c9724db3acc284f1f1bbf2984753a61731 |
| Manifest | 766e634e74b4b11049431b34258675e06c4105f5baf57b8868a3f17b71e59bdc |
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 | ebqUbYdymS1iCNwOhhLxBss8VljEgsUD37vlCWtyAqPjvoC3ZSxQCOQvgM04C4bMnI3Z6viVKTKo8glFzr0tBg== |
| 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
| 2026-09-17T11:14:14.737643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042542observed 76a8fc54c0f638c1846fd5b239ce93c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:14:14.716459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042542/manifest.jsonobserved 766e634e74b4b11049431b34258675e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.694334Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042542/publication.mdobserved 9752acaa04f366f705502c0c60bcbc88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:14:14.675365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042542/publication.txtobserved 4f18e2f4383cd459b13e68a198a13e3b...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. |
|---|