OT-2026-000004397
Publication integrity record
Vacuum cup gripper, common isolation valve, ejector fed, pressure verified at each zone, contact triggered
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-2026-000004397) never changes.
Identity and time
| Publication number | OT-2026-000004397 · never reused |
|---|---|
| Internal UUID | 01a0a916-4856-708c-b171-70cc72ad8dcf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:04.953117Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004397 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5456a8d9c2826a9ab9c56283e0738ca57ad2a7997fe61fe966ffd226a6d7bf0a |
|---|---|
| Markdown | c3141067a22ebb62ef8998f9c2ffa0c19b101587f817ad45704afe82d2bd1153 |
| Publication page | f9387bd570059d5df7a48da41929f4f42706621cbb82a2d3931307d68605ce38 |
| Manifest | 619d56c97fddeaf5a39d804d1a70f00f464e57558534e466b647232e7a1cd4ca |
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 | BDg3l6/DcnnT+8ec8CRVGGe/fArMLfAOYC0t64RL4FEDDxqQHuz+t6qmJ+65PzyTwlwqNYiIYnWSg5L6YCcXCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:30:32.215358Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004397observed f9387bd570059d5df7a48da41929f4f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:32.202868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004397/manifest.jsonobserved 619d56c97fddeaf5a39d804d1a70f00f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.190775Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004397/publication.mdobserved c3141067a22ebb62ef8998f9c2ffa0c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.175744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004397/publication.txtobserved 5456a8d9c2826a9ab9c56283e0738ca5...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. |
|---|