OT-2026-000030890
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000030890) never changes.
Identity and time
| Publication number | OT-2026-000030890 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-739d-b78d-a629f0b4593c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030890 |
| Status | PUBLIC |
Content hashes
| Canonical text | e41e17d032092bd446cfe39d6dc09dec6fee4c3a47ea17fb2b556d6e08486988 |
|---|---|
| Markdown | 0eb8b3464b452112bb0f4f915f4c94699397e06dbb1f6d65b2d5d71df58f6b1a |
| Publication page | 70e7578bcc232cb4c924bbc1f33ac5b1d78f809c1ca79aae204e741811aecf34 |
| Manifest | 95e6def7e41652bd52a9c3c966d3c524fbed4ee852afff3ab2040e003b85389b |
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 | IWZzWBzQPJDaBwIVaknGpSjuwSyS6xiFiyxOAMqRqoc2SQ2pad5YGyCCLHJ4tpvy8ircFR1dEyQTfIpDa1BYAA== |
| 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
| 2026-09-17T11:36:52.456332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030890observed 70e7578bcc232cb4c924bbc1f33ac5b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:52.438592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030890/manifest.jsonobserved 95e6def7e41652bd52a9c3c966d3c524...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.421185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030890/publication.mdobserved 0eb8b3464b452112bb0f4f915f4c9469...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.404408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030890/publication.txtobserved e41e17d032092bd446cfe39d6dc09dec...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. |
|---|