OT-2026-000028213
Publication integrity record
Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000028213) never changes.
Identity and time
| Publication number | OT-2026-000028213 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a521-710c-b35c-284e111836b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028213 |
| Status | PUBLIC |
Content hashes
| Canonical text | 930859a66b9d3cd6b6dd51b4a5db213a69865d7ac06ed77311760d50248a3654 |
|---|---|
| Markdown | 3ef5995b9636025d8f70e391613c67227bf5fcd8ffe93114c31a97f2199584de |
| Publication page | b7b8e68258ef4fa5a554487cfd8cc383fb7b4fac36a03867c2036cfe185d7d10 |
| Manifest | 81cb560cd964430ab4e3df120916df4ff343d1e55602b30189a439a2c361a84a |
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 | oUNdJqqYdFiPY4PisETjF62moWO4JAXESaPq6R+jH9ni+iXY8DsHd9eMaGk3xwXybRwr8+eg/xkQonO8fif4AA== |
| 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
| 2026-09-17T11:42:34.559533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028213observed b7b8e68258ef4fa5a554487cfd8cc383...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:34.543779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028213/manifest.jsonobserved 81cb560cd964430ab4e3df120916df4f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.527648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028213/publication.mdobserved 3ef5995b9636025d8f70e391613c6722...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:34.511497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028213/publication.txtobserved 930859a66b9d3cd6b6dd51b4a5db213a...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. |
|---|