OT-2026-000028090
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000028090) never changes.
Identity and time
| Publication number | OT-2026-000028090 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7079-9579-0c68823dc699 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028090 |
| Status | PUBLIC |
Content hashes
| Canonical text | 91d77fe3d0b0a1c80c2621e0ac3e4b3d7d6b37dbb382b842f00f80010e6991ec |
|---|---|
| Markdown | 4aeb6a0d7beaba8e6bc1276ef5680dbc43770416f51cb18c8a3415890b4f3c1c |
| Publication page | e3da645b4257b4a6f732721eac84fe8fde58329373db274bdd32b02184d20241 |
| Manifest | f720dbbe4ca17220790e013072748a14cc0d8d2c516bf41b959dba1768a1e6d5 |
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 | VvRkVSWJOdn+oatLRy6NE/dbUD4Q4bknXY6pexPyZN4LVxH9JDdlsy8CjGeNfO3WtpYCxYOI2M2WyHF4Om2pCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:42:26.066485Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028090observed e3da645b4257b4a6f732721eac84fe8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:26.048998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028090/manifest.jsonobserved f720dbbe4ca17220790e013072748a14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:26.031424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028090/publication.mdobserved 4aeb6a0d7beaba8e6bc1276ef5680dbc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:26.011751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028090/publication.txtobserved 91d77fe3d0b0a1c80c2621e0ac3e4b3d...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. |
|---|