OT-2026-000020289
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020289) never changes.
Identity and time
| Publication number | OT-2026-000020289 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-765f-95d0-698bed77c92c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020289 |
| Status | PUBLIC |
Content hashes
| Canonical text | de71ce287e2b9e80f4780c5a74e2b8639bf67a519e6348328c6557365a751db1 |
|---|---|
| Markdown | 3b3e5ea261b505da0cd675004349846d7fa485c45aa2c4ed59882280b23f4df4 |
| Publication page | 62616df7623fd2a09071119db2153dd92346f69df3d4d73c7602c0f1ff814b6c |
| Manifest | 42fb4216153dfabb2afb44c53083eaebf9f72685e6f793e8d83fb3a7ec9bb7f0 |
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 | 8+F2JZWN7dNj9HTAlDdSPonMIaknYqJl74D7TIYswj4Jzqc36w1zDh5NBv8jk3FuMrHmK1RYg9OkWLnw8syaBg== |
| 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
| 2026-09-17T11:56:38.746345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020289observed 62616df7623fd2a09071119db2153dd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.726814Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020289/manifest.jsonobserved 42fb4216153dfabb2afb44c53083eaeb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.707865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020289/publication.mdobserved 3b3e5ea261b505da0cd675004349846d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.688474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020289/publication.txtobserved de71ce287e2b9e80f4780c5a74e2b863...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. |
|---|