OT-2026-000019808
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000019808) never changes.
Identity and time
| Publication number | OT-2026-000019808 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-7fb2-8c04-fab551a7cbe4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019808 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b25e328d868edecb43bb30277adcce91aa061cb5e63312b8db51bb016695c97 |
|---|---|
| Markdown | 9d7aaa99f7fc9f1fdf3da95a34a7789ffb03a381c059749c3fc7ba4e8fcb0ae0 |
| Publication page | e52f77c3b10af0423fc156c305208b64e892af7ea1aeb1bc041871bf47f0e0d2 |
| Manifest | 4378b722bf349bec6b6908545ea3a6ea0e2068f4b5b69029575569a3ebd79d9d |
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 | Avd6TNnoDzutqjDAuzq7JKPq3++FAuM5xa9jZ/LYWg1KnViUROk+5zAAT2e02V/UYZmo0QEiptI6QlIXWG0cBg== |
| 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
| 2026-09-17T11:57:59.707347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019808observed e52f77c3b10af0423fc156c305208b64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:59.690393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019808/manifest.jsonobserved 4378b722bf349bec6b6908545ea3a6ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:59.673319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019808/publication.mdobserved 9d7aaa99f7fc9f1fdf3da95a34a7789f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:59.655454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019808/publication.txtobserved 7b25e328d868edecb43bb30277adcce9...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. |
|---|