OT-2026-000090248
Publication integrity record
Two cup vacuum gripper, two zone face, single stage ejector, 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-2026-000090248) never changes.
Identity and time
| Publication number | OT-2026-000090248 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-76a6-9233-06ddf104295f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090248 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6956c9e00614d1462cd71a6219b79561e389416d15fb59e81230be93e1e0e5a1 |
|---|---|
| Markdown | 1648d54e94d22780aa44bfc2be372f1c3053271628fc9f9fa241020beaea3931 |
| Publication page | fd87faa284c68ef0e09dca94d651c1bf457bcaf7f75aeecf1800326e6ae142c4 |
| Manifest | a4284049a7ee45db158b65f03fc032522033de6f0f4a6f2eb43302f61d1eeaa3 |
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 | bhJVVtaEIyL/BB2b0UPgdmi4PGnIS5GM8e52LDnh9OYycpJn4iW5F1HXWZSpJpIcfN/9AykXH5Fxs9XFfO/5DQ== |
| 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
| 2026-09-17T09:45:11.433794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090248observed fd87faa284c68ef0e09dca94d651c1bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:45:11.415935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090248/manifest.jsonobserved a4284049a7ee45db158b65f03fc03252...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:11.397444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090248/publication.mdobserved 1648d54e94d22780aa44bfc2be372f1c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:45:11.372255Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090248/publication.txtobserved 6956c9e00614d1462cd71a6219b79561...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. |
|---|