OT-2026-000090819
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000090819) never changes.
Identity and time
| Publication number | OT-2026-000090819 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7bfe-ba79-e5f190b21cdb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090819 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28a9f2d49185452e82ebe3db78554fb68baea1a662b2f1abdf112fc229daa2a2 |
|---|---|
| Markdown | e473dd90e0cf3354a22d939e6230391bc807bd943f6656a6c756ecba0616f67f |
| Publication page | 8ac1212bcdd018ace3dce217e3d00d8d8eba8eb53a84c90f3791ac8a871605a0 |
| Manifest | b35412f0dca1fd2288cd96a70ee6f04bfce294a7d91dc494cf040198fdd53e43 |
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 | +QKYp2HtgzzFoAWhL27P+n+SYitYZUEvAQMsIYcGnDLw6Yu3YuUJd+sAQWQkMdfWOhTd2YeQPetnm6/dRj6IDw== |
| 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
| 2026-09-17T09:44:00.757188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090819observed 8ac1212bcdd018ace3dce217e3d00d8d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.739245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090819/manifest.jsonobserved b35412f0dca1fd2288cd96a70ee6f04b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.722876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090819/publication.mdobserved e473dd90e0cf3354a22d939e6230391b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.704095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090819/publication.txtobserved 28a9f2d49185452e82ebe3db78554fb6...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. |
|---|