OT-2026-000077253
Publication integrity record
Three cup vacuum gripper, three 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-2026-000077253) never changes.
Identity and time
| Publication number | OT-2026-000077253 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7cde-9335-691be6d6e4b4 · 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-2026-000077253 |
| Status | PUBLIC |
Content hashes
| Canonical text | 88c30cf68868f5888ed0687594e52371b02631b16ae55bbaefa9ec0af0325dfd |
|---|---|
| Markdown | 02814ba185f40fb54f3522a21a65ddbe97d0850c41cfb64e69d0f343e1d0ba66 |
| Publication page | cad340df10d61eecdd06b739336f6d596cf1b249229d9fd6a98a9e434dc38efe |
| Manifest | c5c843d644a9949c1b7af8dbd18c93518fa426a35b25e5753143be3c554c9d4f |
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 | sFxvLmX/XHwjt7zCmbN9DVpNhZjHpY7dQZS8d5rA/Ijyx6sGT93C1qR0JPrXJwZBJfBRMedht95p8oXTZEP0CQ== |
| 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
| 2026-09-17T10:08:52.343642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077253observed cad340df10d61eecdd06b739336f6d59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:08:52.323306Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077253/manifest.jsonobserved c5c843d644a9949c1b7af8dbd18c9351...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:52.303282Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077253/publication.mdobserved 02814ba185f40fb54f3522a21a65ddbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:52.284308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077253/publication.txtobserved 88c30cf68868f5888ed0687594e52371...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. |
|---|