OT-2026-000077305
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, two 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-2026-000077305) never changes.
Identity and time
| Publication number | OT-2026-000077305 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7e58-a083-2888ef0ddb90 · 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-2026-000077305 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9a926fac1b8944b323f07ed34622dc0b2c23764cbfa07202caaaaf477cc552cd |
|---|---|
| Markdown | 488cce23aa91d4f7326e0f6e2221d647ca017286d809821def3485fce54c4d53 |
| Publication page | a61027406b8304132b402e6ff70915d15e773a5db87f60da592ca98a2debc314 |
| Manifest | cf045acd553f46a0c79bbbd9349059ecac238c6b260a89c55b9ab0e753f833ad |
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 | PTNcQvxrSDG+ZVXTGanYFiMc1CD+M8EWy53Of8Njb+d89h4GlfWPYeAXEmtztv8/73gtGY8ipRpH8FwaiwWYDA== |
| 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
| 2026-09-17T10:08:56.477851Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077305observed a61027406b8304132b402e6ff70915d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:56.459843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077305/manifest.jsonobserved cf045acd553f46a0c79bbbd9349059ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:56.440935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077305/publication.mdobserved 488cce23aa91d4f7326e0f6e2221d647...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:56.422761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077305/publication.txtobserved 9a926fac1b8944b323f07ed34622dc0b...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. |
|---|