OT-2026-000028814
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000028814) never changes.
Identity and time
| Publication number | OT-2026-000028814 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-76b4-88c9-b0aa6ba216ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028814 |
| Status | PUBLIC |
Content hashes
| Canonical text | 481e34ce9aa64f30e3d05f5b5fd38261725e859462377bb6826551ab20aae65f |
|---|---|
| Markdown | 332b520d4d4199db7e496543c98a266b0446e5ada3ec5210ff19bfdd7f5e61f9 |
| Publication page | d8994ff96085b176885d455cd2df2fd5eee65b8bd00bad833ac76e3e9c4d52eb |
| Manifest | fc8a5afff69ff95e69ebc659178f09a838afc28bc2f1bea41b587b0456d334b8 |
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 | QDJJhV1+bOOAhGGXRZF17vP6qxoUgTAcI9TDCYnZdjzyrzqEcC2ycTorPeuqEKEqzsQQD5YAhMFNaMh2erQ7CA== |
| 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
| 2026-09-17T11:40:04.638258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028814observed d8994ff96085b176885d455cd2df2fd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:04.620668Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028814/manifest.jsonobserved fc8a5afff69ff95e69ebc659178f09a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.601883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028814/publication.mdobserved 332b520d4d4199db7e496543c98a266b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:04.582752Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028814/publication.txtobserved 481e34ce9aa64f30e3d05f5b5fd38261...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. |
|---|