OT-2026-000004422
Publication integrity record
Porous face vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure verified
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-2026-000004422) never changes.
Identity and time
| Publication number | OT-2026-000004422 · never reused |
|---|---|
| Internal UUID | 01a0a917-2eed-7a76-b96a-d8977afe22ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:21:03.984719Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004422 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50abf31e7b09d8a8fcda8187c818525acf995f63303252f611966712bfabfb97 |
|---|---|
| Markdown | 93d99f9daa491295f50ed1c372aef5d5d2947db948cf4090fef45abbedaa4b48 |
| Publication page | 0f7542acc1ec11cb9edc3d9be2a341b3d2ad897d6ded327080d68ddb427355f6 |
| Manifest | b41d60bcd65e1a13200fef8b05e86f42582a3fa0edf335ccd6d419565f4765be |
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 | XOtW1p8Q+xD3h32U3Or40vT+xLKKvr+/E1ayhwotnG8iYcuSawTtNma4FXO9WeP+hYaf8y2rG0FAH1kzymM5Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:29.400641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004422observed 0f7542acc1ec11cb9edc3d9be2a341b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:29.385249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004422/manifest.jsonobserved b41d60bcd65e1a13200fef8b05e86f42...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.371133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004422/publication.mdobserved 93d99f9daa491295f50ed1c372aef5d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:29.238843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004422/publication.txtobserved 50abf31e7b09d8a8fcda8187c818525a...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. |
|---|