OT-2026-000072921
Publication integrity record
Four cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000072921) never changes.
Identity and time
| Publication number | OT-2026-000072921 · never reused |
|---|---|
| Internal UUID | 01a0ae92-c814-70d5-8951-85530a5087e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:54:10.336919Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072921 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7418cc40fb45f47c7315a80066c9f12bd67fb217a5c4e228280af12db175da7 |
|---|---|
| Markdown | 5eb52263e2501398745bd370968a34c705c5025d776f515b96290b8a75dfc3d9 |
| Publication page | 309bec231b9667acb7b650678e95f00364e7991dca14d47c5a3abd2d12af3771 |
| Manifest | c273c9c9b79ff3b3e779d1ee91ee1e1b4033e2962055322159574f2e1e65ab43 |
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 | F/RdiIFYhxJ2+GAJRS8QlP4Z88o0OHKHGXKgRJIAj4ALpq9KluDob/bCVb3hCkCQKZPulsMYFFxXIHTZMxEkDQ== |
| 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
| 2026-09-17T10:21:50.104391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072921observed 309bec231b9667acb7b650678e95f003...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:21:50.085557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072921/manifest.jsonobserved c273c9c9b79ff3b3e779d1ee91ee1e1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:50.067791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072921/publication.mdobserved 5eb52263e2501398745bd370968a34c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:21:50.050385Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072921/publication.txtobserved a7418cc40fb45f47c7315a80066c9f12...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. |
|---|