OT-2026-000075639
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000075639) never changes.
Identity and time
| Publication number | OT-2026-000075639 · never reused |
|---|---|
| Internal UUID | 01a0ae94-29fd-799f-870f-c41984541a22 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:55:40.814795Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000075639 |
| Status | PUBLIC |
Content hashes
| Canonical text | 874d09c34c6a8c42d1e96d63d0f017112ed4e320bcc985996900f992b32d1857 |
|---|---|
| Markdown | 560c05953ee013b8d6ca8cdb67fa47d5103c457c33818d56bb4e9f34e4410060 |
| Publication page | b3135dee30315769bb3f4d6e6ecbbbe90565b2b7e41bfcf7e21e60e503455431 |
| Manifest | 3f91386f84521b16704274c5f650538a093a687acf57fe4c475d2b9f8a55578b |
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 | wrV6ypipN+2XSUN1WWUT5vDqdDoWQHesQa+axqBy6eqI0vOVozj/N/Ro6hlwgTEvVMjUtfFnn3tmYpHQIKJ8DA== |
| 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
| 2026-09-17T10:13:34.022957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075639observed b3135dee30315769bb3f4d6e6ecbbbe9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:13:33.988495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075639/manifest.jsonobserved 3f91386f84521b16704274c5f650538a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:33.798882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075639/publication.mdobserved 560c05953ee013b8d6ca8cdb67fa47d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:13:33.763718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000075639/publication.txtobserved 874d09c34c6a8c42d1e96d63d0f01711...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. |
|---|