OT-2026-000031877
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, pulsed blow-off 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-2026-000031877) never changes.
Identity and time
| Publication number | OT-2026-000031877 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7e7e-af41-79ac9cacae6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031877 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3f347b8ebef512d22528d713d7c4c6b770f2c637c2ae388b4ac8085805890f58 |
|---|---|
| Markdown | e632f9388bd7425dca6d343359dbbb35be8648d43f58eb928d35dd4f4aa99b03 |
| Publication page | 782580e2433f998a8aa5642650bf1aea858958dcfb2f1f2871edab14b0ac76a6 |
| Manifest | ffec28ec87291d6395409ca57cc80f80ec59a17f6d0cc5f9103d9a2f8eac3cae |
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 | iG2P/bs/LyfQcych46/22w4Hclf67dcwIfEcKyKocfdb+M9RKG7KUIfXT7Apw3AkDAjj+6b1aWIKvzGHNd5wDA== |
| 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
| 2026-09-17T11:35:08.414951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031877observed 782580e2433f998a8aa5642650bf1aea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:08.397934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031877/manifest.jsonobserved ffec28ec87291d6395409ca57cc80f80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.378149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031877/publication.mdobserved e632f9388bd7425dca6d343359dbbb35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.359658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031877/publication.txtobserved 3f347b8ebef512d22528d713d7c4c6b7...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. |
|---|