OT-2026-000003879
Publication integrity record
Porous face vacuum gripper, common isolation valve, six 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-2026-000003879) never changes.
Identity and time
| Publication number | OT-2026-000003879 · never reused |
|---|---|
| Internal UUID | 01a0a90b-56a7-7c11-9ecf-68b676bd5ba1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:07.721724Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 971636c7ae31bb1a84cdc71836f7c005d81ecb0c326e50ed2839e31ba2f76b38 |
|---|---|
| Markdown | 3c43aa847289f38a8c44291f4cb5d6433b7453f045d0ca7d901a758328e17aef |
| Publication page | 21fa993f50e68660ffdb4252e054b978f1292abbb5ac139569fb91c9937a1813 |
| Manifest | ebc2b2d3cb9d4c6f53ac371b6413a9ac5ef8dce2d69a9a74d8414d1de97e18fd |
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 | TfcNzyU3bkqgI1yWlVXhJobL2EIxkWymQ8vsGkIbPlVKkLMo7pwUVIqOpl68qBeV9Y49ULFbZBV/b5rKXrcADw== |
| 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
| 2026-09-16T07:10:14.791250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003879observed 21fa993f50e68660ffdb4252e054b978...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:14.774301Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003879/manifest.jsonobserved ebc2b2d3cb9d4c6f53ac371b6413a9ac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.760942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003879/publication.mdobserved 3c43aa847289f38a8c44291f4cb5d643...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:14.747484Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003879/publication.txtobserved 971636c7ae31bb1a84cdc71836f7c005...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. |
|---|