OT-2026-000078972
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000078972) never changes.
Identity and time
| Publication number | OT-2026-000078972 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbe-723e-8fa5-85fa74a283ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c659028bba26081589e1eb99e593775484d46bee3186b33e40ac356ef8f8136 |
|---|---|
| Markdown | 2cfdb7ca955b4f0b3c7b08d3430dded99d6a32eab0ba99d4894305ad9d2094aa |
| Publication page | 5c9ea75df0681edd77e837448093c4196cc727bbeb961aadba7a8faa7f082198 |
| Manifest | 5588635daa9f3910478d80f8de3a8f28dac85e6dca3d336621a8eb3da679d868 |
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 | pqCtJzNNnQTdwoEmTWcD6ThBwXYmOHkM7745L45eBpd/VS5QWa5lV7qTAuks+/QRcXbSz9B1nIjkIPvnl/1ZDQ== |
| 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
| 2026-10-30T20:41:49.766986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972observed 5c9ea75df0681edd77e837448093c419...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-30T20:41:49.703156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/manifest.jsonobserved 5588635daa9f3910478d80f8de3a8f28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:49.633373Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/publication.mdobserved 2cfdb7ca955b4f0b3c7b08d3430dded9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T20:41:49.486732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/publication.txtobserved 4c659028bba26081589e1eb99e593775...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:01.558377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972observed 5c9ea75df0681edd77e837448093c419...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:01.484856Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/manifest.jsonobserved 5588635daa9f3910478d80f8de3a8f28...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:01.400348Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/publication.mdobserved 2cfdb7ca955b4f0b3c7b08d3430dded9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-22T16:42:01.316839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078972/publication.txtobserved 4c659028bba26081589e1eb99e593775...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|