OT-2026-000004405
Publication integrity record
Bellows cup vacuum gripper, common isolation valve, three outlet manifold, two stage ejector, pressure verified
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-2026-000004405) never changes.
Identity and time
| Publication number | OT-2026-000004405 · never reused |
|---|---|
| Internal UUID | 01a0a916-93ad-7f02-917b-649d9536b35d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:20:24.240887Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004405 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4efe7ba2e0192e44aebd2bf235fdd2158b1eda120721663899a7b73708aaaecc |
|---|---|
| Markdown | 1336fd1b6613e4887754b8f9ad50bd6819171e6c4c97a9e791aea984c7a353f3 |
| Publication page | cabdc4972b9b7c80ffd3ba7e08ae0c409f3cd526dac9f3153a8c8ced25b81eea |
| Manifest | c67223c8c322ca02214bbf31979469999f649b4ef9e7fd5ca3c6954feb2adcce |
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 | p75towHeWTY+DtWty270jFwxjaxaEp3WZ+mgs25AXGw9yagqqOZ+OSTyk1rqzNCO2zUp2cLWOYR7GEKX3pYDCQ== |
| 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
| 2026-09-16T07:30:31.428056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004405observed cabdc4972b9b7c80ffd3ba7e08ae0c40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:31.415161Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004405/manifest.jsonobserved c67223c8c322ca02214bbf3197946999...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:31.400822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004405/publication.mdobserved 1336fd1b6613e4887754b8f9ad50bd68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:31.388725Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004405/publication.txtobserved 4efe7ba2e0192e44aebd2bf235fdd215...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. |
|---|