OT-2026-000069446
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000069446) never changes.
Identity and time
| Publication number | OT-2026-000069446 · never reused |
|---|---|
| Internal UUID | 01a0ae90-b52a-7203-98b7-19570b0cc4d3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:51:54.310022Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000069446 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1ac3343e280d70a391d34d3b6f51919aff795104eb39d7b12362bc0f1a4f748 |
|---|---|
| Markdown | 4efbd7f4c123f780fa51255b777767aa9713884db9390a4baad2090daa02547f |
| Publication page | 7eb333ed1e72182297fc786d2fbdf22bc0d6276b5e0e9cdd13806165bb3fcdab |
| Manifest | bdaae7c59eec52e9af5feafa43b07a73d2650136dbcf77697f55f820409a5422 |
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 | Q8ziyDYesn4lGOTa7EYc8l908tFV9cy4wH695o4VKy9tg4LPHAMGxkHb6iGyl8RqxrdTcqt0AxbyaxV+NKg/Dw== |
| 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
| 2026-11-03T08:41:18.139152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446observed 7eb333ed1e72182297fc786d2fbdf22b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-03T08:41:18.092021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/manifest.jsonobserved bdaae7c59eec52e9af5feafa43b07a73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:18.029848Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/publication.mdobserved 4efbd7f4c123f780fa51255b777767aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-03T08:41:17.970551Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/publication.txtobserved e1ac3343e280d70a391d34d3b6f51919...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:05.279142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446observed 7eb333ed1e72182297fc786d2fbdf22b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:05.188863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/manifest.jsonobserved bdaae7c59eec52e9af5feafa43b07a73...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:05.113679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/publication.mdobserved 4efbd7f4c123f780fa51255b777767aa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:42:04.996119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000069446/publication.txtobserved e1ac3343e280d70a391d34d3b6f51919...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 |
|---|