OT-2026-000004743
Publication integrity record
Porous face vacuum gripper, per zone isolation, six outlet manifold, ejector fed, 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-2026-000004743) never changes.
Identity and time
| Publication number | OT-2026-000004743 · never reused |
|---|---|
| Internal UUID | 01a0a921-e8cc-79e6-a5d4-740c0abe70e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:32:46.927245Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004743 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9322969e2e505be883278a5ffc07ea3d376d3627519828b348dcaf276e7cd7e |
|---|---|
| Markdown | 43072a950c32edca60c838d902453f1fd1062da16087b2ee40458b4f85f0f235 |
| Publication page | ccf30cca392b8ed0a9db32979e13a9f2a958bb388d01cab3c1ddea35d15e59ec |
| Manifest | 640eeb9ecb0a832feb3811f61b4c8a674c7ede7eb635bf03e11d8497c89e7f13 |
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 | 7PGA7KqiOdmbFC5ZrkksKFuvXgrZhbC5My5GUbTGG4b8CQnNyDz+VlScfutbIl5Hodrc7/jGUBy6feSGyZmiCA== |
| 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
| 2026-09-16T07:40:23.701335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004743observed ccf30cca392b8ed0a9db32979e13a9f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:23.685466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004743/manifest.jsonobserved 640eeb9ecb0a832feb3811f61b4c8a67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.673079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004743/publication.mdobserved 43072a950c32edca60c838d902453f1f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:23.661352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004743/publication.txtobserved d9322969e2e505be883278a5ffc07ea3...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. |
|---|