OT-2026-000028823
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, two stage ejector, 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-2026-000028823) never changes.
Identity and time
| Publication number | OT-2026-000028823 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7895-940d-8fb5ddbdb70f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028823 |
| Status | PUBLIC |
Content hashes
| Canonical text | 71dab2207e2bf72e08cb11d6b7214f3108971e17fbe0af65dc8a51f20039674d |
|---|---|
| Markdown | c43587580aed0daa85ec9e81115f82fcd88c49b14611759594f95d4c443d7e5a |
| Publication page | 638790f69c90e50ad957a2d315440408d003c7f8397db75781481bbbacefb88f |
| Manifest | 35f7517546ba87a1a7ae86f952ccc3b18f9abb6e7bcc3bdbdbd96c81b65bbee9 |
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 | vn4xrOXBYCXvP8FsOvFBVxP67c0AE9pD7DTz0L0QPJXvlNiLVNJGKQTAGwe+XSqFtlwFVO61SzuPVqY5dlWiCQ== |
| 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
| 2026-09-17T08:20:04.004140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028823observed 638790f69c90e50ad957a2d315440408...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:03.980053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028823/manifest.jsonobserved 35f7517546ba87a1a7ae86f952ccc3b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:03.960561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028823/publication.mdobserved c43587580aed0daa85ec9e81115f82fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:03.941854Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028823/publication.txtobserved 71dab2207e2bf72e08cb11d6b7214f31...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. |
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