OT-2026-000028404
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000028404) never changes.
Identity and time
| Publication number | OT-2026-000028404 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7919-b8d2-93ebd3d9513a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028404 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c477c17966aed75d4133abd77b644be64aceee7410eaed44007ffb123b7d312 |
|---|---|
| Markdown | c091441b9aef46c95778b1c2b48b478ed294466064c9633171599742aef020a6 |
| Publication page | 1f92b2b7b05bbdcfa92d2d46323f3350239a0da81f324eb7c738481b7f8946dd |
| Manifest | 4c9af0e572634fdc82a66bbb9eef575f11157cf2b985215f60ad9c21dde3665e |
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 | rqlQR1t+XeNP1S0XP2ZIgEn3X/heks4jZWlIZeuWEXBnclt4UmquXjbsS2cmTQoUNVdgDVB5zVTePpnjxQD3CA== |
| 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
| 2026-09-17T11:40:06.099720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028404observed 1f92b2b7b05bbdcfa92d2d46323f3350...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:06.079199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028404/manifest.jsonobserved 4c9af0e572634fdc82a66bbb9eef575f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.061023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028404/publication.mdobserved c091441b9aef46c95778b1c2b48b478e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:06.042887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028404/publication.txtobserved 5c477c17966aed75d4133abd77b644be...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. |
|---|