OT-2026-000074981
Publication integrity record
Four bellows cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000074981) never changes.
Identity and time
| Publication number | OT-2026-000074981 · never reused |
|---|---|
| Internal UUID | 01a0ae93-ac2d-7fbb-a83f-c9e723085b17 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:08.693295Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000074981 |
| Status | PUBLIC |
Content hashes
| Canonical text | 044fd760cc743c254721742df1191ffc1d148fe75feafecd16cd050c4a798dc8 |
|---|---|
| Markdown | 302384a207a02928eb46cc6160a2fb13b3060507dff18ba630bec343cbcccc84 |
| Publication page | 9d71b5e7924e4776a7e9ec76d47bfbfcb47dd8b3b2d99f2d7a1300be5df0e672 |
| Manifest | a7de7e9df3f27e98b9190ffdf9f11d9cadbacf28fdd5b1ca94af7b1dacbd223f |
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 | B9WvXP9izPDFyL6WKZDqAFTsv2zOoBlitE7Cpwn7UuKdkaIJsmEH2e21RqXK1IHtzb2Z7tv2/yJYWXDzmetmBQ== |
| 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
| 2026-09-17T10:18:47.129475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074981observed 9d71b5e7924e4776a7e9ec76d47bfbfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:18:47.110542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074981/manifest.jsonobserved a7de7e9df3f27e98b9190ffdf9f11d9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:47.092789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074981/publication.mdobserved 302384a207a02928eb46cc6160a2fb13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:18:47.075303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000074981/publication.txtobserved 044fd760cc743c254721742df1191ffc...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. |
|---|