OT-2026-000028258
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000028258) never changes.
Identity and time
| Publication number | OT-2026-000028258 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-76ef-b396-e6fc4d2dd726 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028258 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f7b2f0055f71e69eda8ad6c31ea8d91d909338098cd7429e944c77b15eb915a |
|---|---|
| Markdown | c5e342b9a8472d769a3b896234b9b4a85062cfa782fc338c0dd277558e4a3122 |
| Publication page | c042c3942bf1bd9c8244dd6568ab907131cae742823c7fa24601163651905283 |
| Manifest | b56e69529172805d75122b025d5c43081d9c2267bab5a541c0eaf03e5f1ebbb2 |
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 | tf2l747z1VkhP3CXk/rIBypoCgY84jcH8qdmCaRjwdrK0x4j4kUo+wi388U7Woo0Jxo9GaRWnkjHowvAQJzACQ== |
| 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
| 2026-09-17T11:40:07.868287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028258observed c042c3942bf1bd9c8244dd6568ab9071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:07.851097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028258/manifest.jsonobserved b56e69529172805d75122b025d5c4308...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.833879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028258/publication.mdobserved c5e342b9a8472d769a3b896234b9b4a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:07.816140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028258/publication.txtobserved 0f7b2f0055f71e69eda8ad6c31ea8d91...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. |
|---|