OT-2026-000017990
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000017990) never changes.
Identity and time
| Publication number | OT-2026-000017990 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-96fc-778a-9bb3-5094b4d9f2de · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:38.350302Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000017990 |
| Status | PUBLIC |
Content hashes
| Canonical text | 210fc3b619cab28390ba36b406080104a9b48111e6474a446e47c920e17f9c58 |
|---|---|
| Markdown | 508f0095905bde8cc4745b77873c3b23c0e7ff3013d2f65728aa4f31151cc367 |
| Publication page | 541e42de0530f7deca08dd52b235f0d37297ceb11396c0b78c3511431e838946 |
| Manifest | e8d044fcb3cf797675ed70ff4cbe8ce0c79a73b0b2f8e91b7a8a1622ac7cf2ac |
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 | 2Y1CmlPWvSo6q++7937vKo1oHlSCWqF15GLwBM+RRu98GWcxI3QjZ/CSqdh4N6qdUwKY4OOF6GVF1rp0qRAvCQ== |
| 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
| 2026-09-17T12:02:00.604504Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017990observed 541e42de0530f7deca08dd52b235f0d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:02:00.587263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017990/manifest.jsonobserved e8d044fcb3cf797675ed70ff4cbe8ce0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:00.569537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017990/publication.mdobserved 508f0095905bde8cc4745b77873c3b23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:02:00.551906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000017990/publication.txtobserved 210fc3b619cab28390ba36b406080104...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. |
|---|