OT-2026-000004239
Publication integrity record
Porous face vacuum gripper, per zone isolation, two 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-2026-000004239) never changes.
Identity and time
| Publication number | OT-2026-000004239 · never reused |
|---|---|
| Internal UUID | 01a0a912-0001-7d22-a209-ddc4369591ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:24.292769Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004239 |
| Status | PUBLIC |
Content hashes
| Canonical text | fb31f49fc97ab13da1a4e2266d8857c5e917d033377ac2e1fcf36f52c98a4566 |
|---|---|
| Markdown | ae8e01c43e922aea1cc3802ba98af689ef48a1b9c6e7bbee189def773ca134d8 |
| Publication page | f3811a0159434ab13ff865d14781a6ae388873a11d7140ef7e9eb052ffe0f8b8 |
| Manifest | c0314ada3c96f37a95e5ce79059e3a8f1ad389c2480b609e7d688ea091c3282f |
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 | cr0aAamUHbjlP2o++pmWWoDcqr+WdVkPV0o4ifbgWpFCwOZWXtIx01rVPWgYYUkPv+mai65VC9ggSmwywrQ/AA== |
| 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
| 2026-09-16T07:20:20.439299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004239observed f3811a0159434ab13ff865d14781a6ae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:20.427054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004239/manifest.jsonobserved c0314ada3c96f37a95e5ce79059e3a8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.413665Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004239/publication.mdobserved ae8e01c43e922aea1cc3802ba98af689...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:20.400073Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004239/publication.txtobserved fb31f49fc97ab13da1a4e2266d8857c5...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. |
|---|