OT-2026-000004767
Publication integrity record
Vacuum cup gripper, two zone face, plant vacuum fed, pressure verified, contact triggered
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-2026-000004767) never changes.
Identity and time
| Publication number | OT-2026-000004767 · never reused |
|---|---|
| Internal UUID | 01a0a922-b609-72af-844f-7a4e38ca7522 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:33:39.468504Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004767 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2f18819fe9b8f26b868150e8be828f852d7948a6aef059ce50b16a536d6f3475 |
|---|---|
| Markdown | f1ffc52cb46bc245af8f298f85c37154cd1d5b35fefdfbefa102f292c0546a2b |
| Publication page | 20c5415cb0f3d8a6f37a1d5108563cb0305fdc733a5a0cac0ec7b2926e55e725 |
| Manifest | 9070daabb9e91cef1b4671c555023ade96dc4d937d9d561ccad88cfa1e38fc04 |
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 | A8WtmWkviaLvudCyYo6yVWE+dEdOZq3880tl0aQ1b6ZOT4SWenbLnOKsLc+V5JggLNt2WCYiD/NT5RjIzfKgCA== |
| 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
| 2026-09-16T07:40:21.189004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004767observed 20c5415cb0f3d8a6f37a1d5108563cb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:21.176098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004767/manifest.jsonobserved 9070daabb9e91cef1b4671c555023ade...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:21.162997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004767/publication.mdobserved f1ffc52cb46bc245af8f298f85c37154...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:21.148942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004767/publication.txtobserved 2f18819fe9b8f26b868150e8be828f85...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. |
|---|