OT-2026-000090256
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two 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-2026-000090256) never changes.
Identity and time
| Publication number | OT-2026-000090256 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-7a8a-9c9f-b11c2d2542ff · 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-2026-000090256 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9cad5e52d26003bb44ab1261b90084fe4430bc8463bcf40d8b575dac3159a57 |
|---|---|
| Markdown | df0b15b5cdcd453baeb305574d57b923e00dff701c03f4b724cc812bb559e42c |
| Publication page | 2558bb544ef1c02ce891d843eddde9ea843f5dbafd87e3db4438cb4a3c00dacb |
| Manifest | b7b0835de1ce337ebaa1b60bcf2538601e8dedb7a277982d4f7c24bae024425b |
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 | 2HuTcJuG+P9GEEf5VTFhYKZlCcBk8/QxlhNchgRdB85kE7REZ+iuFP187Wpb60mUJt5tuogFcepKwyd0+kZJCw== |
| 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
| 2026-09-17T09:46:19.903561Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090256observed 2558bb544ef1c02ce891d843eddde9ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:19.885375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090256/manifest.jsonobserved b7b0835de1ce337ebaa1b60bcf253860...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:19.867004Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090256/publication.mdobserved df0b15b5cdcd453baeb305574d57b923...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:19.849687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090256/publication.txtobserved c9cad5e52d26003bb44ab1261b90084f...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. |
|---|