OT-2026-000004094
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000004094) never changes.
Identity and time
| Publication number | OT-2026-000004094 · never reused |
|---|---|
| Internal UUID | 01a0a90e-983e-789c-ae53-dd57d3bee4ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:41.120933Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004094 |
| Status | PUBLIC |
Content hashes
| Canonical text | 624b17d96482687bf8faa42e949de31ac5672a8943066c235e78585881912a4f |
|---|---|
| Markdown | 6059f26d83fe87ccad449c0a3ce6b758790daebd19a25791a6fcefd29f02f31b |
| Publication page | b653b9bb4977b8a13dbfcb9649e513fd0e6b62f53de9d2a2a51d5fece30ea6df |
| Manifest | 9da7a4f124112853774e50c263cf9194d903765a9f4e3d07908879a66ef8fbe0 |
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 | oseATWX8z6nqYr6oYZlx705PTA9AjTvqc0AJotRIH2hHVeyWs5rDKL1tkojBxfQwiOZdzRVusrvWD9XTEznoCg== |
| 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
| 2026-09-16T07:30:32.651618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004094observed b653b9bb4977b8a13dbfcb9649e513fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:32.637296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004094/manifest.jsonobserved 9da7a4f124112853774e50c263cf9194...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.622645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004094/publication.mdobserved 6059f26d83fe87ccad449c0a3ce6b758...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:32.487074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004094/publication.txtobserved 624b17d96482687bf8faa42e949de31a...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. |
|---|