OT-2026-000090231
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000090231) never changes.
Identity and time
| Publication number | OT-2026-000090231 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-78a7-9f21-8652fe196486 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090231 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5ff4b68907ee8b27bb2749dba17cfaed16de121845e096df381ddf568767070 |
|---|---|
| Markdown | 32a35b956a5844e09e44386eeeb442b12d6b9b4e309050ce4aa5849fd71fc970 |
| Publication page | ca41d6c674beaa3e00f5612de0aa2b23b39807e9ff5f2fac07c3df2bc11c2835 |
| Manifest | ed61f84b7d48dae52e073bd6f512898674712dcee894f74f6168d6d661aa8455 |
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 | HGBFW9AT18YtUuUcjBUMpPcoOf+PlJKnhQKt1qZjynbyZw9zO5Fbd6QlyA7tlI9ep8oUfuYIaNX84b695mXaAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:18.815317Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090231observed ca41d6c674beaa3e00f5612de0aa2b23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:18.798406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090231/manifest.jsonobserved ed61f84b7d48dae52e073bd6f5128986...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.779466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090231/publication.mdobserved 32a35b956a5844e09e44386eeeb442b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.761130Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090231/publication.txtobserved b5ff4b68907ee8b27bb2749dba17cfae...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. |
|---|