OT-2026-000077297
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000077297) never changes.
Identity and time
| Publication number | OT-2026-000077297 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7bb2-b040-766ad68f82df · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077297 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3eb6be8c479ff28985ad347cb1a1688ebfd557916aa229ae26a0655e6b28f4b6 |
|---|---|
| Markdown | 94c312ad58b35ad244316794dd5f42f9ce444036a7adc313d5fc2eeea2796b83 |
| Publication page | a5953dd58f4925d0d3677f2afd7aca218a3e3b16ce9605c5437a2bb330255a57 |
| Manifest | e7ffefc1b7dd0d3ea544bb4614b4b03fefef9ea975e35ac22cb228f8180e4774 |
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 | rKQoTt2BMY5kv6hCTWkjb+MSuAZtLDFq90Vrd1ArtjUKxTmF2lnCU6MYdK7S1AhpcL802JCTvyJ2XjTOPKlGDg== |
| 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
| 2026-09-17T10:08:55.929172Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077297observed a5953dd58f4925d0d3677f2afd7aca21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:55.910836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077297/manifest.jsonobserved e7ffefc1b7dd0d3ea544bb4614b4b03f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.890532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077297/publication.mdobserved 94c312ad58b35ad244316794dd5f42f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:55.871677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077297/publication.txtobserved 3eb6be8c479ff28985ad347cb1a1688e...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. |
|---|