OT-2026-000028830
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000028830) never changes.
Identity and time
| Publication number | OT-2026-000028830 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9c-7163-bc51-90661997a212 · 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-2026-000028830 |
| Status | PUBLIC |
Content hashes
| Canonical text | 170ac4f68d4a73ad530b107399c8de88418dda69f89ab973ecf982ccbbb7d3e3 |
|---|---|
| Markdown | 78539023f235e5e9df6fe83132754af24383731a4f8e6984715360c1a1655281 |
| Publication page | c97a020a58825ef50309190b398d973a4827538baa2a38fd5ca2c100a6cc331e |
| Manifest | 559da16de4840e1882239938669e12bc5615981faaab3ef4eb023001b74e7126 |
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 | /oJvHN43jctmdUwhmtvy6r0wr7aXOqPKLTXhpAnCqATOumiv5g2jyUrwrCSPdx857MpoFSwThlTVy5mO12DRAw== |
| 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
| 2026-09-17T08:20:05.498168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028830observed c97a020a58825ef50309190b398d973a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:05.478403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028830/manifest.jsonobserved 559da16de4840e1882239938669e12bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.459730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028830/publication.mdobserved 78539023f235e5e9df6fe83132754af2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:05.440877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028830/publication.txtobserved 170ac4f68d4a73ad530b107399c8de88...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. |
|---|