OT-2026-000004821
Publication integrity record
Vacuum cup gripper, four zone face, two outlet manifold, pump fed, contact triggered
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-2026-000004821) never changes.
Identity and time
| Publication number | OT-2026-000004821 · never reused |
|---|---|
| Internal UUID | 01a0a924-65a7-782e-a220-befc271114c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:35:29.962958Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004821 |
| Status | PUBLIC |
Content hashes
| Canonical text | 16317ddc8e87f2158f4eb21e89e7445e24943baae66b59de3d575549cfd44de9 |
|---|---|
| Markdown | 2644fb5c03ad0f7d80881e56e56991beef6b013636be3292e7459b8230cdaedf |
| Publication page | ea0d639218b5978e8363389352da21016579368e82a63e85d2ff0d994871e0f4 |
| Manifest | c38eacd8d167461e08c5a4df7c553c1b45fa99bf83c40911858345d68a9acbd5 |
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 | BaHsg8GWHvBwBxh85o2FjXPEPTrPeY63mkKqDE/61wbIYBifxJA1Q2TffhjiDifS794wmLc3S6Hr5tpvqufjAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:15.431759Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004821observed ea0d639218b5978e8363389352da2101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:15.417674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004821/manifest.jsonobserved c38eacd8d167461e08c5a4df7c553c1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.404177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004821/publication.mdobserved 2644fb5c03ad0f7d80881e56e56991be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:15.388113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004821/publication.txtobserved 16317ddc8e87f2158f4eb21e89e7445e...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. |
|---|