OT-2026-000090455
Publication integrity record
Four cup vacuum gripper, four zone face, plant vacuum 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-2026-000090455) never changes.
Identity and time
| Publication number | OT-2026-000090455 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7f1a-a1a5-0f01228fdec6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090455 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb8f11760c7bc929286a201ea7104196ff9c1d554121ad0cf55c65357efd3009 |
|---|---|
| Markdown | 58d89fc2d63e5e15e318c4d6125195fabf4d73aeb6b1ade64cd604dfd67ac988 |
| Publication page | a66589a5594403f7e3c031a9477e0eb749e957a736a47d658329f6390aca96ec |
| Manifest | 6cff60ab7dd40ec6b679dc2947c4910ebe3fba58eef210cbf872025397c8f29d |
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 | bEjtVq2OmqjOJ5O4xkrPSxjvYXNTpb29qQ8meXV4AgTJB3JNBAh5bEnDfF7Usf8yS4mnCoCwUGCaAKzQ5mGjDQ== |
| 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
| 2026-09-17T09:44:34.748258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090455observed a66589a5594403f7e3c031a9477e0eb7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:34.732608Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090455/manifest.jsonobserved 6cff60ab7dd40ec6b679dc2947c4910e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.714799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090455/publication.mdobserved 58d89fc2d63e5e15e318c4d6125195fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:34.697160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090455/publication.txtobserved cb8f11760c7bc929286a201ea7104196...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. |
|---|