OT-2026-000090320
Publication integrity record
Two bellows cup vacuum gripper, two zone face, 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-2026-000090320) never changes.
Identity and time
| Publication number | OT-2026-000090320 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-760a-8255-5fc96d36c3c9 · 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-2026-000090320 |
| Status | PUBLIC |
Content hashes
| Canonical text | 613dc80068fd16fa71af121598540e4603e721f236a6c1dee7dfaf59e275343a |
|---|---|
| Markdown | 6392f2096f15d47f17e5c91ea7cb396450b9cfd3e30247108281b2b6c830fe9a |
| Publication page | c41f996ff90ee85ad5f3b13018149ce3977b531543279bb625f488c03eddab79 |
| Manifest | f88b12f955dbb6e107fe5087d3e42395dda74d38b6217f7aa7e8f9696eb424fe |
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 | CvXJP7l+lGSyVTaynVGbmYyN+JkhYGgEw//7lmcIOids3i98iGYbALJFbgGmDV5Rb0NXfM+mjyst9p2VUuJOBQ== |
| 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
| 2026-09-17T09:44:24.342120Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090320observed c41f996ff90ee85ad5f3b13018149ce3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:24.323393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090320/manifest.jsonobserved f88b12f955dbb6e107fe5087d3e42395...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.305160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090320/publication.mdobserved 6392f2096f15d47f17e5c91ea7cb3964...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:24.286822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090320/publication.txtobserved 613dc80068fd16fa71af121598540e46...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. |
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