OT-2026-000066891
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000066891) never changes.
Identity and time
| Publication number | OT-2026-000066891 · never reused |
|---|---|
| Internal UUID | 01a0ae8f-14fd-77c8-a11a-5b9078aa813b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:50:07.760615Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000066891 |
| Status | PUBLIC |
Content hashes
| Canonical text | 76ae2175b16e8aaab70ac0a21822e1e59bb88d96a7261dd15ea6b8aca8fbc892 |
|---|---|
| Markdown | 14e3151a708a9d4cb4cb8b340b35672477606ff45f8dc4622cf0550f2ffec742 |
| Publication page | 38512f11021841cb372f231aa0b29cd317042b0ef92c4ca3ae44c9aa0b347ec0 |
| Manifest | 868277ba1e92739f4c7164558291e22c28d556a6a4d4b46d69c51bd2349dd566 |
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 | MYRnBm3vLrxTvV1m3NeoYhY8AuJ/19zBCaISlLOYn9wTcxWbF4j0FEvajSjJs6Nyk78imtoJCPLyoJ3QolmCAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
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Independent retrieval
| 2026-10-28T20:41:46.147851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891observed 38512f11021841cb372f231aa0b29cd3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T20:41:46.055149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/manifest.jsonobserved 868277ba1e92739f4c7164558291e22c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:45.985755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/publication.mdobserved 14e3151a708a9d4cb4cb8b340b356724...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T20:41:45.885163Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/publication.txtobserved 76ae2175b16e8aaab70ac0a21822e1e5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:37.035190Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891observed 38512f11021841cb372f231aa0b29cd3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:36.947545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/manifest.jsonobserved 868277ba1e92739f4c7164558291e22c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:36.838244Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/publication.mdobserved 14e3151a708a9d4cb4cb8b340b356724...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T08:43:36.637356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000066891/publication.txtobserved 76ae2175b16e8aaab70ac0a21822e1e5...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 |
|---|