OT-2026-000020404
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000020404) never changes.
Identity and time
| Publication number | OT-2026-000020404 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-72f3-a7b6-7b08a967509f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020404 |
| Status | PUBLIC |
Content hashes
| Canonical text | dc3f5a7ded5641e42bbcac030ec892c230ab25aefd8aa2d5f81661ee84eabef6 |
|---|---|
| Markdown | ce374025f099634bc54433bb2a13c325c76c66fb62034ae54ce78b8f939bce3f |
| Publication page | 31076e68bab3fa65196bc3e0fa35db5889afd4e6c2018680aa21360d87031aae |
| Manifest | dd9764cb942cc4bc3363ac67b534545f8e89ee6b163ad9d15e7b92f7a87217e3 |
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 | gPHiK7rzkE0LOYM6ybSm2OrvQ63HLLe6Iicc3piBiSFE/mFfjw/Tnb9L23oFbAu6wP/2Cro/mExJ4j31HFmRBw== |
| 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
| 2026-09-17T12:00:18.068734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404observed 31076e68bab3fa65196bc3e0fa35db58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:18.050869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/manifest.jsonobserved dd9764cb942cc4bc3363ac67b534545f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.032257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/publication.mdobserved ce374025f099634bc54433bb2a13c325...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.014474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/publication.txtobserved dc3f5a7ded5641e42bbcac030ec892c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.829994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404observed 31076e68bab3fa65196bc3e0fa35db58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.810778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/manifest.jsonobserved dd9764cb942cc4bc3363ac67b534545f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.790311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/publication.mdobserved ce374025f099634bc54433bb2a13c325...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.769383Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020404/publication.txtobserved dc3f5a7ded5641e42bbcac030ec892c2...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. |
|---|