OT-2026-000014721
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed 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-2026-000014721) never changes.
Identity and time
| Publication number | OT-2026-000014721 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-d093-75ca-851f-b889df05d0d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:47.560717Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014721 |
| Status | PUBLIC |
Content hashes
| Canonical text | eadceeedb3450811d8dfd52df09c78e9173c6378365587d9238e50c668e04e5b |
|---|---|
| Markdown | af76408a34f1b1ebfb606e4de7ab21c937d89e4ef39be6d959c03acbd2f34ce8 |
| Publication page | 6d17e0aea6a6fc92c5d02f39d8a7c65122a515da531839c373cb643bb69d897d |
| Manifest | c7ec9423cc2509527357441da76290e75bbd3ac065ae18be7287975f2e0b4159 |
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 | zioopQWf1YG+B0zWpIL4iYh4UTgyC/s7jGnAS6+XHaq/JtHapk/mk6HERJ1pNIyg4vfn2lwrtpOdaNpUAg6rDQ== |
| 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
| 2026-10-30T00:41:12.220259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721observed 6d17e0aea6a6fc92c5d02f39d8a7c651...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T00:41:12.153910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/manifest.jsonobserved c7ec9423cc2509527357441da76290e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:12.070761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/publication.mdobserved af76408a34f1b1ebfb606e4de7ab21c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T00:41:11.981304Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/publication.txtobserved eadceeedb3450811d8dfd52df09c78e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:40.677685Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721observed 6d17e0aea6a6fc92c5d02f39d8a7c651...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:40.580733Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/manifest.jsonobserved c7ec9423cc2509527357441da76290e7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:40.516465Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/publication.mdobserved af76408a34f1b1ebfb606e4de7ab21c9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T08:41:40.380077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014721/publication.txtobserved eadceeedb3450811d8dfd52df09c78e9...fetched by grabo-systems from 34.44.131.203, 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 |
|---|