OT-2026-000028189
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single 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-2026-000028189) never changes.
Identity and time
| Publication number | OT-2026-000028189 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7bf9-801a-5060849bee37 · 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-2026-000028189 |
| Status | PUBLIC |
Content hashes
| Canonical text | 628050ca9323e8e9632af5b9f40b8fb5d588e103c5dbe51684cd070ea2d210d9 |
|---|---|
| Markdown | eb79620652474b5df8daaa786b7e3263ce933f0a96c422e17a42714c93242569 |
| Publication page | 32d42eff78ca46a5b0c1f7ab323ae71d35d9eba02f90739a5fdc387580eb1a2b |
| Manifest | d257f9c619cb312c6e4d8ab3a9c2caa8090eb998076e531ddc59b56f24114469 |
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 | F+YiirttPsuQznN06P/DeeAiedMvxNSLx28XNfTW/8XPrkm8pZCBykapvCGi1QK2B/Fc9DugqWMj7AMhjQKvCg== |
| 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
| 2026-09-17T11:42:33.077322Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028189observed 32d42eff78ca46a5b0c1f7ab323ae71d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:33.062287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028189/manifest.jsonobserved d257f9c619cb312c6e4d8ab3a9c2caa8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.045358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028189/publication.mdobserved eb79620652474b5df8daaa786b7e3263...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:33.027730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028189/publication.txtobserved 628050ca9323e8e9632af5b9f40b8fb5...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. |
|---|