OT-2026-000019520
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019520) never changes.
Identity and time
| Publication number | OT-2026-000019520 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7e19-a846-16e880c909f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019520 |
| Status | PUBLIC |
Content hashes
| Canonical text | b90a2a89b3ddf4921482caf977eacc1b1ada607646c6b1713a004fb7ee3d158f |
|---|---|
| Markdown | 079ad0901ea4282e493ec955d44f8fbbd3fc9b659d0b7f0c814486fa85991653 |
| Publication page | c4f36b26c711e2eb22e75135362631c351ae7e2bf4b9b10d5dd29f0046b07fbc |
| Manifest | 15d167614c0ee1a9e679e9bdfea1cceb07c5a11d30158bb7e030ac176cb031ef |
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 | 7ZTb/yc7uPgF6LXCJFaeS0vaxeBQEqcepFE3wH5jPA6KEkOS0/LEQ1g2kb9FN5IIt/nGTSPd1XMiBwQ69GK4Cw== |
| 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
| 2026-09-17T11:58:57.329643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019520observed c4f36b26c711e2eb22e75135362631c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:57.310856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019520/manifest.jsonobserved 15d167614c0ee1a9e679e9bdfea1cceb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.290970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019520/publication.mdobserved 079ad0901ea4282e493ec955d44f8fbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:57.270864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019520/publication.txtobserved b90a2a89b3ddf4921482caf977eacc1b...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. |
|---|