OT-2026-000091160
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000091160) never changes.
Identity and time
| Publication number | OT-2026-000091160 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-7f46-b5c8-e2607eb97f64 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091160 |
| Status | PUBLIC |
Content hashes
| Canonical text | ef897f0ee9c19fac511b401909f3812830d545cb641f4ffdd206e7b66cda88b5 |
|---|---|
| Markdown | 3c413302af16b2b667f2fb284973cd3538065bad79f7fe94d839fa169145b132 |
| Publication page | a3b6c558c4bb4a2b2c6beafc16af6d5b690b3d0fa0d64935b3169140c8e19094 |
| Manifest | 55610bd3ebd79d404b069363a480f27e5c7588dfc7bc3dfb0c2f68fa20520c13 |
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 | VUpgTakEiVBMvB8qjWmlhQOTc6hnbygjdqndSso9BID9LRLOsdKOuJMZNQAGZqNIKP/fbud0GaZFys/DSudrAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:18.863761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091160observed a3b6c558c4bb4a2b2c6beafc16af6d5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:18.845542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091160/manifest.jsonobserved 55610bd3ebd79d404b069363a480f27e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.827993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091160/publication.mdobserved 3c413302af16b2b667f2fb284973cd35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.811416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091160/publication.txtobserved ef897f0ee9c19fac511b401909f38128...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. |
|---|