OT-2026-000090643
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000090643) never changes.
Identity and time
| Publication number | OT-2026-000090643 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f30-71f7-a150-090ff3e6cfa0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090643 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4a3e1f7f7b82ec34a11c4e600c35a065b3b5953675df7efc41cc5f351654b692 |
|---|---|
| Markdown | 2aa25115043ae5d388888ec621c667b4d167fc1d564789d67bf6d47e4978aa21 |
| Publication page | d3a5b62c9dfaa8421cb7c222856d4e23d09f468a05d9cbbae84d752112e10772 |
| Manifest | af33798a7b86191f8e84b3bb16aa13bcac25ea4fd0a55b18eaca284511852690 |
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 | kkNzIc6v4MjCkEzENHIIh2Rf/GwD1hPHtc73k8jbYEFjDEdKf8RiBTe2FKjdG0pibvZOzNDSW4z58sSjU1LcCA== |
| 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
| 2026-09-17T09:44:49.834074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090643observed d3a5b62c9dfaa8421cb7c222856d4e23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:49.815505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090643/manifest.jsonobserved af33798a7b86191f8e84b3bb16aa13bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.797319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090643/publication.mdobserved 2aa25115043ae5d388888ec621c667b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:49.780871Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090643/publication.txtobserved 4a3e1f7f7b82ec34a11c4e600c35a065...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. |
|---|