OT-2026-000038394
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000038394) never changes.
Identity and time
| Publication number | OT-2026-000038394 · never reused |
|---|---|
| Internal UUID | 01a0ae78-2d52-78f4-87ea-6e161624f366 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:25:06.661829Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000038394 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3bd3e4d288c1f721c5f90a50d6fcb8ef99d9f5a09abcc184bbf3325d9f2991a1 |
|---|---|
| Markdown | 081f617bdbb72799a050a33b245a2ea0be2c01f13e8e9be711afe557a18696f3 |
| Publication page | ab83c996b7b9ff9ba2db48676f758e14151a1f9dd96718811e94e76e221fae00 |
| Manifest | e9417a7a789220c9105061c02a787a3570268b10e6307bb8063dc8039ac82154 |
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 | NDDcxtsy3BzR9EjgzjWZF1q39qdIp/GKnMH1MmpdM3QyIdnYPdfF/Y9yJqa35fUGEj32mY/lKYpKVm7KpsFLAA== |
| 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
| 2026-10-27T04:42:01.784516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394observed ab83c996b7b9ff9ba2db48676f758e14...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T04:42:01.704900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/manifest.jsonobserved e9417a7a789220c9105061c02a787a35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:42:01.571390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/publication.mdobserved 081f617bdbb72799a050a33b245a2ea0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T04:42:01.453913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/publication.txtobserved 3bd3e4d288c1f721c5f90a50d6fcb8ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:18.343611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394observed ab83c996b7b9ff9ba2db48676f758e14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:18.323974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/manifest.jsonobserved e9417a7a789220c9105061c02a787a35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:18.297286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/publication.mdobserved 081f617bdbb72799a050a33b245a2ea0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-07T04:23:18.260423Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000038394/publication.txtobserved 3bd3e4d288c1f721c5f90a50d6fcb8ef...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|