OT-2026-000004797
Publication integrity record
Porous face vacuum gripper, common isolation valve, plant vacuum fed, contact triggered on the face
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-2026-000004797) never changes.
Identity and time
| Publication number | OT-2026-000004797 · never reused |
|---|---|
| Internal UUID | 01a0a923-a631-7a59-927d-8082f6022e57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:40.947860Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004797 |
| Status | PUBLIC |
Content hashes
| Canonical text | d3a3aa9fd8104bd2b522d957a55430ae9aadd91145ad3c0de40eecfec65e1754 |
|---|---|
| Markdown | abaf3ba77c39315901e3f514e1f5bbf84a22269d86b5199a11537bebd3376a43 |
| Publication page | 703e8d052fbd409a10e4bb592e69b6c8e308e35638a0f47b98270ff45d442fc6 |
| Manifest | d03f17fda8d70f9e2469c0df660b9d7086b0c88f33d2cde51f458456a277e52a |
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 | BInjskh+1S07AqYz61V/amKlgz6mPEo+ksPa0Ufn7FK1BnbnOgOT2es0TJtCfcYxFMqjKjhPUG2MKo1j0Da9CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:17.971281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004797observed 703e8d052fbd409a10e4bb592e69b6c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:17.957894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004797/manifest.jsonobserved d03f17fda8d70f9e2469c0df660b9d70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.945428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004797/publication.mdobserved abaf3ba77c39315901e3f514e1f5bbf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.933226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004797/publication.txtobserved d3a3aa9fd8104bd2b522d957a55430ae...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. |
|---|