OT-2026-000004705
Publication integrity record
Porous face vacuum gripper, three zone face, two stage ejector, contact triggered, closed cell
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-2026-000004705) never changes.
Identity and time
| Publication number | OT-2026-000004705 · never reused |
|---|---|
| Internal UUID | 01a0a920-ba1b-7959-9908-41f9b8ad2fc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:31:29.439104Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004705 |
| Status | PUBLIC |
Content hashes
| Canonical text | ad23abd832a5ee504cf5ece23adb18357c319178eae0f06912f8a47878fd159b |
|---|---|
| Markdown | 438bf971f8d4de913e7309fe739f96b336f831c3db6ad5b12ed5b0512e19b05b |
| Publication page | d89e97c9b1c858be3d2c60592c201329b85f0bea2b1fd3a3d8a84551ed982c24 |
| Manifest | e3744598d4837b878c4c33b3e77a3e798ee2794c7025d9a2f80ed9046351aea5 |
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 | upZwqNXeLMwAgqxNhdeYmvLIlr1j2oRfIv0iIJTBAMKW7F/X2olzLvlCdiu45YEqY99bU7QsBtqVfpdC4C/5AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:27.673714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004705observed d89e97c9b1c858be3d2c60592c201329...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:27.661600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004705/manifest.jsonobserved e3744598d4837b878c4c33b3e77a3e79...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.648575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004705/publication.mdobserved 438bf971f8d4de913e7309fe739f96b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:27.636055Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004705/publication.txtobserved ad23abd832a5ee504cf5ece23adb1835...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. |
|---|