OT-2026-000028851
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000028851) never changes.
Identity and time
| Publication number | OT-2026-000028851 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-70b5-bc38-f36db5eded20 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028851 |
| Status | PUBLIC |
Content hashes
| Canonical text | d192c7cec19949876ba2e11baffa60a760ce257b6b518f15a7c2679aacffff09 |
|---|---|
| Markdown | e233519e5fddefb9aa5b8981b620c70ebcc22f3638dcf256c3a05555edefc59f |
| Publication page | e842f8591a4d16d6230ed9274a54abd2d3f021f1cba5e4000ffa61dc8ae01dcf |
| Manifest | 0c5490719cba56d7b0e5cae72a5586d09303546ce884d7b75262b03147fa9bc4 |
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 | 5ZW0mVrnb4FlEBE/mKe/ump65PuHMGshyjhLU9sUrcHZ18y6KTcCLlXoFDcBnQ+IVBd4D6u3Adc0pVBV+WEABA== |
| 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
| 2026-09-17T08:20:08.973160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028851observed e842f8591a4d16d6230ed9274a54abd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:08.955994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028851/manifest.jsonobserved 0c5490719cba56d7b0e5cae72a5586d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:08.937567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028851/publication.mdobserved e233519e5fddefb9aa5b8981b620c70e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:08.799267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028851/publication.txtobserved d192c7cec19949876ba2e11baffa60a7...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. |
|---|