OT-2026-000091154
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, 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-2026-000091154) never changes.
Identity and time
| Publication number | OT-2026-000091154 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-7ee9-8fdb-849f042986d9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091154 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0ebc6f9a4669876210ab9dc5bfc48bbedbe01502ed3aa7643b73c245220cd9af |
|---|---|
| Markdown | f9e6ce7681f3f53c33c00a104e2705491f3d63eb66c035de6773674ec9072884 |
| Publication page | 10a6de304d11c209d92ce1cf3d98dbd603a55f3e5f77a85537eef00709d69adb |
| Manifest | 8f1f12a25476f8bb50a6a9706ebdcd003568d460b364c5b80360e91db2364f13 |
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 | 30hqZhA8KvETX4x+1k8/kQAR7d+hh5jMAv11UX6ihaR+qKcU1dt1QuhwA+ORTzUVxuiYf3vtco92DDchXv9aCw== |
| 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
| 2026-09-17T09:43:18.444609Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091154observed 10a6de304d11c209d92ce1cf3d98dbd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:18.426810Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091154/manifest.jsonobserved 8f1f12a25476f8bb50a6a9706ebdcd00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.411265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091154/publication.mdobserved f9e6ce7681f3f53c33c00a104e270549...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:18.394723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091154/publication.txtobserved 0ebc6f9a4669876210ab9dc5bfc48bbe...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. |
|---|