OT-2026-000090409
Publication integrity record
Foam pad vacuum gripper, three 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-2026-000090409) never changes.
Identity and time
| Publication number | OT-2026-000090409 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-721d-8da4-b284fb2891eb · 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-2026-000090409 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fc62c4f6a9e45013d3de7a7d8a9854af468adc84785c166c31be73e3a68c9eb |
|---|---|
| Markdown | 369eb867966587f796d3f43956f08657f15b26cfda9c4a98e8cfc667b9efa269 |
| Publication page | d633cbbac6f59e6f10608e3e61695a3c4cc62ceb94f728f2c240bafbaef85cdf |
| Manifest | 0547fc26ef138cb41370b1c31ede1868450254b0c7df50d240d1733ac44f117a |
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 | QB+wOAzBCl9KaipM09T4j+rYLP3/nIywdPuim1quT5BRxQ8LNGQZVBRVsfcL8V/FfvRdElV+VDYSK9DtJj7LDw== |
| 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
| 2026-09-17T09:44:31.381558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090409observed d633cbbac6f59e6f10608e3e61695a3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:31.364692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090409/manifest.jsonobserved 0547fc26ef138cb41370b1c31ede1868...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.347426Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090409/publication.mdobserved 369eb867966587f796d3f43956f08657...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:31.329952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090409/publication.txtobserved 7fc62c4f6a9e45013d3de7a7d8a9854a...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. |
|---|