OT-2026-000004566
Publication integrity record
Porous face vacuum gripper, two zone face, per zone isolation, 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-2026-000004566) never changes.
Identity and time
| Publication number | OT-2026-000004566 · never reused |
|---|---|
| Internal UUID | 01a0a91c-290e-77b7-a73a-dc629489be5e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:30.161278Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004566 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6e99d85312f71f0a007ea51fff25720efe600111cda7e55876af327d2ffb0878 |
|---|---|
| Markdown | aed0819848117e8ffa9931725bce12557e2e9d1fea48aeaec7dfb1da665106a9 |
| Publication page | d8e62c3871e48e14946c1250972d2169df6260c0eb3bd6df90ded0bab5afb9ca |
| Manifest | d4aaecc6887acf15d525d448dd0f7eef1ba6edf8ba81c0a7718ad2367608db39 |
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 | D3dE1fzfiAQJ1F7Cv9p3hEES54/ZuOOSOSF6KTvTvJquROcVHa2BSIFFd9bIzS8Cd5Ed5xZE3LjW87WnAgwEDQ== |
| 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
| 2026-09-16T07:30:14.180137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004566observed d8e62c3871e48e14946c1250972d2169...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:14.167491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004566/manifest.jsonobserved d4aaecc6887acf15d525d448dd0f7eef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.148828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004566/publication.mdobserved aed0819848117e8ffa9931725bce1255...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:14.135955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004566/publication.txtobserved 6e99d85312f71f0a007ea51fff25720e...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. |
|---|