OT-2026-000022442
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, sustained blow-off before set-down
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-2026-000022442) never changes.
Identity and time
| Publication number | OT-2026-000022442 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fd-7e37-9541-52c04f559318 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022442 |
| Status | PUBLIC |
Content hashes
| Canonical text | 812ef51c00cde4d81c7beaab97669494d7b8210e438c706d35a426eea5a080e1 |
|---|---|
| Markdown | 3cd8723cfb2f2dfcef8d49f98accec13cec8b7765ab61a7ff527323080a1ba4e |
| Publication page | 11767d2b10ca3f51dd9c29c9f50ce94e45adf9a80ad52bdaf52e45ee03ff3c72 |
| Manifest | d98a9b61fab4f2ef39215a6ff6f22850e33c28fadfd0285d906b49daa899bff3 |
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 | Qk5FL5el5NCMrgmP1KpS/7amdLMVF5ONL6ykVzE4IqyjAmzD+HAF6xwItE4CeQZH//MBWEQpAOdtpLxtz3J9Cw== |
| 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
| 2026-11-03T04:41:04.817903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442observed 11767d2b10ca3f51dd9c29c9f50ce94e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T04:41:04.678998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/manifest.jsonobserved d98a9b61fab4f2ef39215a6ff6f22850...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:04.477569Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/publication.mdobserved 3cd8723cfb2f2dfcef8d49f98accec13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T04:41:04.324989Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/publication.txtobserved 812ef51c00cde4d81c7beaab97669494...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:51.144192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442observed 11767d2b10ca3f51dd9c29c9f50ce94e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:51.097867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/manifest.jsonobserved d98a9b61fab4f2ef39215a6ff6f22850...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:51.044064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/publication.mdobserved 3cd8723cfb2f2dfcef8d49f98accec13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:50.991361Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022442/publication.txtobserved 812ef51c00cde4d81c7beaab97669494...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 |
|---|