OT-2026-000077180
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, vented after 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-2026-000077180) never changes.
Identity and time
| Publication number | OT-2026-000077180 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-78e4-a36d-615d64c7d9d8 · 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-2026-000077180 |
| Status | PUBLIC |
Content hashes
| Canonical text | e209f47dd491830222d71e1aacb03100c04594a897e9641955a8a14be9169441 |
|---|---|
| Markdown | 4c8b90479d3f95138009c665126dcb5290715ea8c8d1644e00badafe5f1b1537 |
| Publication page | 19e10f3d8838a6aa2c228a44142c175c14837fd986f9d9d54bcc676f70aa3078 |
| Manifest | 0c82b0844814db380c6c4d57a26ee7babacab25eadf92af4a19df9fcaa8b29ae |
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 | g/Q/lOyFaofy2mkUXpybtEcCG0vWcIHaR6CkDJpHAZk8Gz/IzQt5HSmtO0+qW0pbU9igtYVABN6QA+782+tICA== |
| 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
| 2026-09-17T10:12:01.552892Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180observed 19e10f3d8838a6aa2c228a44142c175c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:12:01.534812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/manifest.jsonobserved 0c82b0844814db380c6c4d57a26ee7ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:12:01.517808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/publication.mdobserved 4c8b90479d3f95138009c665126dcb52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:12:01.498985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/publication.txtobserved e209f47dd491830222d71e1aacb03100...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:39.178829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180observed 19e10f3d8838a6aa2c228a44142c175c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:39.161343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/manifest.jsonobserved 0c82b0844814db380c6c4d57a26ee7ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:39.142827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/publication.mdobserved 4c8b90479d3f95138009c665126dcb52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:08:39.123908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077180/publication.txtobserved e209f47dd491830222d71e1aacb03100...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. |
|---|