OT-2026-000028859
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000028859) never changes.
Identity and time
| Publication number | OT-2026-000028859 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7cfd-9109-6e79ce3faeb9 · 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-2026-000028859 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6f9a630cc73386ac3bf03dbb4f222e1306e944337f83058f14eb95e9ebc0bde |
|---|---|
| Markdown | 0134162845c0c0fc4f3a918676771652443a4b0626c0874e2f602b93ef81dde0 |
| Publication page | 86b749cca2d005df715e65c36334c1157c124d228cc462992f63ddb9bec1e4eb |
| Manifest | 0e954e79e7280a62ae460084bbd7cff09d05a109b06da0217fe0a8b69b55e8ac |
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 | Za7XfOYOxoUIHXtc5D2hF3cCaBchjwgO5SzEMONmSTe+T65/y8CHlWRTJCNvM0oaBB2Qlcst9gks9wizmtBSDA== |
| 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
| 2026-09-17T08:20:10.757887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028859observed 86b749cca2d005df715e65c36334c115...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:10.741414Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028859/manifest.jsonobserved 0e954e79e7280a62ae460084bbd7cff0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.723788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028859/publication.mdobserved 0134162845c0c0fc4f3a918676771652...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:10.706937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028859/publication.txtobserved f6f9a630cc73386ac3bf03dbb4f222e1...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. |
|---|