OT-2026-000004161
Publication integrity record
Vacuum cup gripper, common isolation valve, six outlet manifold, three 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-2026-000004161) never changes.
Identity and time
| Publication number | OT-2026-000004161 · never reused |
|---|---|
| Internal UUID | 01a0a90f-b396-769f-b609-314b6962c6e5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:53.656958Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004161 |
| Status | PUBLIC |
Content hashes
| Canonical text | 500f31d66e81e9fb3b77883310df08d8e22e77f5d586f0b93a144ec3c7e9d9fa |
|---|---|
| Markdown | 456ccef0ba3a42406fab2a0615a2d12240ad78eac6b828afed858cb31a0bdac0 |
| Publication page | bdaa56e2447a8c2a68f433e3693d17480b014e040d8c2886e7742fe4a4ba7778 |
| Manifest | f78d4c733b865d0e8863cad41f217e98471605460a94c3089a1740bf27a8e47a |
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 | yvNax0eILiZgphas/UT4PvbM4kQQLMxn8Q5d9VIjORKgW+VDuR+Dkfx3/dmhurbees0G8a3j8/rxxGTNPRvADA== |
| 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
| 2026-09-16T07:20:29.486431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004161observed bdaa56e2447a8c2a68f433e3693d1748...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:29.473241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004161/manifest.jsonobserved f78d4c733b865d0e8863cad41f217e98...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.460239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004161/publication.mdobserved 456ccef0ba3a42406fab2a0615a2d122...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.443568Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004161/publication.txtobserved 500f31d66e81e9fb3b77883310df08d8...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. |
|---|