OT-2026-000028838
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000028838) never changes.
Identity and time
| Publication number | OT-2026-000028838 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-763f-883f-34d592d4d7bb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028838 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86f65e92c74e0afc4824e235a8912189f2ce32bf4ec1b46c960451c142289068 |
|---|---|
| Markdown | 0766babe2ba2722e4cf09b7d6de0cc8e94969e18b750bc0a41a9012db3d8bd53 |
| Publication page | 2efd9acd9a0c155ec79b71271580d473c046442a66162494c16fbbfee04935b9 |
| Manifest | bcc7baf2d87a85a5bb21238868500379818ea658f07ebeeb114f7e509155e309 |
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 | d3DrCCeyHhaP9E8lHqgfTWtxHDRBr8gxWP53WJmbQH9pCH6CKuzOekSj1ilGekUmCizSBvWdOkpwHjHTIG5mBQ== |
| 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
| 2026-09-17T08:20:07.191001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028838observed 2efd9acd9a0c155ec79b71271580d473...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:07.043864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028838/manifest.jsonobserved bcc7baf2d87a85a5bb21238868500379...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.018750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028838/publication.mdobserved 0766babe2ba2722e4cf09b7d6de0cc8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:06.994754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028838/publication.txtobserved 86f65e92c74e0afc4824e235a8912189...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. |
|---|