OT-2026-000005427
Publication integrity record
Porous face vacuum gripper, common isolation valve, three stage ejector, pressure verified, 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-2026-000005427) never changes.
Identity and time
| Publication number | OT-2026-000005427 · never reused |
|---|---|
| Internal UUID | 01a0a938-ab38-7c83-a093-079ceb637aad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:38.492525Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005427 |
| Status | PUBLIC |
Content hashes
| Canonical text | d810fc7388eb44c6981025a18ddf3e3dd16c96b016542c81a028184ab6142fdb |
|---|---|
| Markdown | ba59a6dce431412e8f9a9a858069e5e7901b3b8fbbad4d6f69495503f351f704 |
| Publication page | 55c82e1f579fe7fcca1e5c93e7b7dea9f713db79253970e5482c8e1f6577120b |
| Manifest | b29d00bb588dab59fbdaee5382716f455de48c6ebb1987353d31e219499556f1 |
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 | zEUgk3wmmw4H5ZnPM335RxXbt6c/aUO2Fitn7sGgOyojvAJ4qAOLFsdyHh2dtnSK7DDkAFaoYdXoXy0IDh7VBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:10.736116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005427observed 55c82e1f579fe7fcca1e5c93e7b7dea9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:10.721756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005427/manifest.jsonobserved b29d00bb588dab59fbdaee5382716f45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:10.708359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005427/publication.mdobserved ba59a6dce431412e8f9a9a858069e5e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:10.694652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005427/publication.txtobserved d810fc7388eb44c6981025a18ddf3e3d...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. |
|---|