OT-2026-000004176
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, two stage ejector
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-2026-000004176) never changes.
Identity and time
| Publication number | OT-2026-000004176 · never reused |
|---|---|
| Internal UUID | 01a0a910-01bc-7495-91e3-0e14068ca94f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:13.663806Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004176 |
| Status | PUBLIC |
Content hashes
| Canonical text | c1cf6c90d3a761878fb24cecfb9216215e5771787bb02ff6915f03535b6f2f6c |
|---|---|
| Markdown | 05cfcd8bc08b7d49c82f37380a4e438629f89c40dcd33b8507f052d6077e4941 |
| Publication page | f225e58e319d7e205554e316a4573547edcf7d2dae5e80647fd6b983117fd530 |
| Manifest | 031d08e16619dd7725d647045e094f7e5afdc244999a42d491010c69dc306b5b |
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 | 1IpbQIyQe7X9u3FAvRiYW05+NTAJH4lJelKyQrpCxuebb5/tCKqjjVUKRJgxx8d5ibyLsvy7hunRF+/Xnsp5Dw== |
| 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
| 2026-09-16T07:20:27.722772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004176observed f225e58e319d7e205554e316a4573547...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.706599Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004176/manifest.jsonobserved 031d08e16619dd7725d647045e094f7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.489151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004176/publication.mdobserved 05cfcd8bc08b7d49c82f37380a4e4386...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.471098Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004176/publication.txtobserved c1cf6c90d3a761878fb24cecfb921621...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. |
|---|