OT-2026-000004035
Publication integrity record
Vacuum cup gripper, common isolation valve, two outlet manifold, pump fed
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-2026-000004035) never changes.
Identity and time
| Publication number | OT-2026-000004035 · never reused |
|---|---|
| Internal UUID | 01a0a90d-0570-762c-b248-5e6d7dd535a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:58.002777Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004035 |
| Status | PUBLIC |
Content hashes
| Canonical text | c23cb16c78b513910b0dbf3b38403b5eb450d6c51be3a2b617e44e5e61d37a97 |
|---|---|
| Markdown | 40b39b477c7ef5cf1230e577d4d8f2b315d50b76e0cbc656686fe2eff9d351b7 |
| Publication page | d9529449a3bd8a7015bf39eee784c764c29d8e11cf8925d1dc6d1bf80724ff3f |
| Manifest | b93551042749af12407a05d314aca2f7753c27ee2fa5a7ef4f1b138e6245fb19 |
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 | pfv5spwRt0ZTzv2/99/+68KAMvGUDxV+J0eCfbaDUKTwZ2Mim1uP0e/ccz/V31t7F8R6QGmUAW2XXM+3ZV+jAg== |
| 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
| 2026-09-16T07:10:04.916532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004035observed d9529449a3bd8a7015bf39eee784c764...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:04.903675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004035/manifest.jsonobserved b93551042749af12407a05d314aca2f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:04.888603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004035/publication.mdobserved 40b39b477c7ef5cf1230e577d4d8f2b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:04.874705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004035/publication.txtobserved c23cb16c78b513910b0dbf3b38403b5e...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. |
|---|