OT-2026-000087881
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000087881) never changes.
Identity and time
| Publication number | OT-2026-000087881 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa5-7d16-a483-ce9020f786ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f55c55411d02d639c9c4894f5db50dcbbba1b45277496ada9a72f603750ec22 |
|---|---|
| Markdown | ccc2ee9e294b570992366fa076f1c8b3de364643c0df1e90254320b97f450346 |
| Publication page | 4e7a7a920014abb1ba9ff704f5afefe622b9d04f4c35dce8e0ca083f41d4fd6f |
| Manifest | 86f65ef5f01938ffd7b6732dfbfc729dbcdca34ca7d777f6bccfd084f998263f |
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 | LWrv+jRmVulQoiYf1EHQpLz5jx+ErZgO/73LPJv84SZPKx8nqdzsPcCj0ASaCm4dJ2MpeJX24kDSSb/jrlbPAw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T09:49:08.843155Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087881observed 4e7a7a920014abb1ba9ff704f5afefe6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:08.822018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087881/manifest.jsonobserved 86f65ef5f01938ffd7b6732dfbfc729d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:08.802108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087881/publication.mdobserved ccc2ee9e294b570992366fa076f1c8b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:08.782263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087881/publication.txtobserved 5f55c55411d02d639c9c4894f5db50dc...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. |
|---|