OT-2026-000033430
Publication integrity record
Foam pad vacuum gripper, pump fed, pulsed blow-off after 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-2026-000033430) never changes.
Identity and time
| Publication number | OT-2026-000033430 · never reused |
|---|---|
| Internal UUID | 01a0ae75-a38d-77ad-a48f-6e1264e8f6c3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:20.325649Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000033430 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3fa7e5fa0bea1473c321456b51d2a3a71085f6a176bc55983777f334caf134ad |
|---|---|
| Markdown | 2cf26addccdb94421d44bc2fc8dd3a2871f1ca17b6a307533f0b0d8afd5aad25 |
| Publication page | 787874f6dd8d3626ea45b8948ef4827c7b5ca2c6d405aa0c783fcd3a23306f4e |
| Manifest | 18742f93922d39e45612a22415efe5f95f3559ec83c260f7ba2cae19b895b821 |
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 | R70HgAPjlxJ7aibZ+mHC+aXevRrlLiwAXc65SgxEqAyQSIaAlRSehl/A0I6vxFpcK56dxwPJSZpMLklksLuPDg== |
| 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
| 2026-09-17T11:31:09.468387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033430observed 787874f6dd8d3626ea45b8948ef4827c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:31:09.450964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033430/manifest.jsonobserved 18742f93922d39e45612a22415efe5f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:09.433611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033430/publication.mdobserved 2cf26addccdb94421d44bc2fc8dd3a28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:31:09.414516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000033430/publication.txtobserved 3fa7e5fa0bea1473c321456b51d2a3a7...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. |
|---|