OT-2026-000020194
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, 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-2026-000020194) never changes.
Identity and time
| Publication number | OT-2026-000020194 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7731-8ca8-c53cc21edf89 · 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-2026-000020194 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7015e9d963d3c5e4e75754d23c9746b7efaa8b9f49d6ef63107c33eea85521ff |
|---|---|
| Markdown | 0fe0f29fd34d494256b09e83dbfbc6517b72ae6823bb24b303148a179ddcb07a |
| Publication page | a75fd4b81cf18895a5617f02d133539cf35b0e44df08eeba45f4affebe9da5b3 |
| Manifest | 5d8cf75109a4c57c2d5c35c2590d1790c8075af2d6466a829fd7a71c8a63de73 |
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 | 4LJwl8JMeOZE9ZJbxvW1OuQ2WVnaKY+JbCQ+zaKQX1v7VDpT/Zj1Ps4XFbv9bdlk3ujvfVcfqlbUH/W+1ZoeCA== |
| 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
| 2026-09-17T11:56:31.477895Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020194observed a75fd4b81cf18895a5617f02d133539c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:31.456914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020194/manifest.jsonobserved 5d8cf75109a4c57c2d5c35c2590d1790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.434397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020194/publication.mdobserved 0fe0f29fd34d494256b09e83dbfbc651...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:31.414966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020194/publication.txtobserved 7015e9d963d3c5e4e75754d23c9746b7...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. |
|---|