OT-2026-000076931
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076931) never changes.
Identity and time
| Publication number | OT-2026-000076931 · never reused |
|---|---|
| Internal UUID | 01a0ae94-b071-7d5a-8fb3-6726e8bc5e78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:15.236414Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000076931 |
| Status | PUBLIC |
Content hashes
| Canonical text | c36ffa53b924c944f7457664d06f9fc72ebd54a168dff54347ce18b1d5caa93d |
|---|---|
| Markdown | 2d661d31a24874db853c21bb5c5b7675f0a994105ccf824c8d6475f63ed9faa3 |
| Publication page | d4ca55d3de66e94486eea09a2fd3136beecb773bf3e72f0eac87cc74a4151c94 |
| Manifest | 6045aef11d72447dd5a795f25e22d8ff76f4f07928b7af7dee942822ac5be3ae |
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 | YNIwsJfqUrkvQOryrsbcwrl7BnIU2jOoj+MGdFtKoxkYSgzi6tRSMW2KmcTniQo61wEIIvl+0IUc8LnDgVHyAQ== |
| 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
| 2026-09-17T10:09:54.053636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076931observed d4ca55d3de66e94486eea09a2fd3136b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:09:54.035080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076931/manifest.jsonobserved 6045aef11d72447dd5a795f25e22d8ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:54.015997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076931/publication.mdobserved 2d661d31a24874db853c21bb5c5b7675...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:09:53.997506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000076931/publication.txtobserved c36ffa53b924c944f7457664d06f9fc7...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. |
|---|