OT-2026-000020168
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000020168) never changes.
Identity and time
| Publication number | OT-2026-000020168 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7ded-8024-fbd4867441f2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020168 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8474de75125feb7acaf4c428707dd148061da0d1b0ccbaf3eff1a7db6310acd6 |
|---|---|
| Markdown | f5b9063688fa0aab6131f0f4bc7d891184f731a9021112670e3b9f726be433b7 |
| Publication page | c2b6f305bde20c8db37d9cee07482bd2558cd291acb516f5c8a4b1e7c6287716 |
| Manifest | 7185f46f3950b40f8833d16ab6513de0a48ff8fefb680ef4944a3a07f0656378 |
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 | 2xrZp7yz4yCai/F2Izyfx8El0e55vZ0SX3+EzCCb8nMMElFECdlx+1bytVSSRJiIpmEmTazCh1b+JLr2zQxgDA== |
| 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
| 2026-09-17T16:43:05.400562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168observed c2b6f305bde20c8db37d9cee07482bd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T16:43:05.090005Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/manifest.jsonobserved 7185f46f3950b40f8833d16ab6513de0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.919753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/publication.mdobserved f5b9063688fa0aab6131f0f4bc7d8911...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T16:43:04.749356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/publication.txtobserved 8474de75125feb7acaf4c428707dd148...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.146026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168observed c2b6f305bde20c8db37d9cee07482bd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.127861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/manifest.jsonobserved 7185f46f3950b40f8833d16ab6513de0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.108598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/publication.mdobserved f5b9063688fa0aab6131f0f4bc7d8911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.086692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020168/publication.txtobserved 8474de75125feb7acaf4c428707dd148...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. |
|---|