OT-2026-000090230
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000090230) never changes.
Identity and time
| Publication number | OT-2026-000090230 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-779d-9838-89dac0f51157 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090230 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65a8349fc42eeff043b61ab515261089f3425a8e94d36bba4f2083bd708d91fe |
|---|---|
| Markdown | 6e8448fd85b1838e4d107dafc4339e8119e757dc1a413eaceffd523182d0dcc7 |
| Publication page | a6858ee5db08e902634e7f9c76c04f70dfac466fafdc0ccb3bd8404e95c61489 |
| Manifest | d43688840ed542e7243c819146c2bdc7eaaa0ab46ce8743a262cf04abbdfd3ae |
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 | 4uPb0SaKMs8PQnNeu2AlCrW7lVZAnt/BteZubohXbf1DwJW7JC5mUxDTByg4eeZ+7QIbmCQjT9wpV/gqHVEeAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:18.741508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090230observed a6858ee5db08e902634e7f9c76c04f70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:18.724650Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090230/manifest.jsonobserved d43688840ed542e7243c819146c2bdc7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.705718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090230/publication.mdobserved 6e8448fd85b1838e4d107dafc4339e81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.685513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090230/publication.txtobserved 65a8349fc42eeff043b61ab515261089...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. |
|---|