OT-2026-000004473
Publication integrity record
Vacuum cup gripper, per zone isolation, ejector fed, vented before set down, polyurethane cups
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-2026-000004473) never changes.
Identity and time
| Publication number | OT-2026-000004473 · never reused |
|---|---|
| Internal UUID | 01a0a919-3780-7385-82df-e4149067f6f1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:17.251507Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004473 |
| Status | PUBLIC |
Content hashes
| Canonical text | a923f3373c639830b90ff07ebfd6bf2e16524e0e06c1595ee329636109a00383 |
|---|---|
| Markdown | c0321a67c82fe5eee619dd364156fadabe93195b0e8dec60c159e1db9ff70391 |
| Publication page | f7cc226e58dc1463c3ea149a1122463f75ba51e1b22ffcc79d6e44c9468bc4dd |
| Manifest | e4727cbbcbf107811582d6913ebf05b6107c63ae92c802a2fc498efdab625b4e |
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 | chJjdUuKk0BNo9R5m9d+Cduh2JgO9WvX/aRizzb0ZIUhcY7IGaDFDUZci9fwz4DjL8/aBQ3tryFKGScAaupdBA== |
| 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
| 2026-09-16T07:30:23.710776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004473observed f7cc226e58dc1463c3ea149a1122463f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:23.697367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004473/manifest.jsonobserved e4727cbbcbf107811582d6913ebf05b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.686284Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004473/publication.mdobserved c0321a67c82fe5eee619dd364156fada...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:23.673867Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004473/publication.txtobserved a923f3373c639830b90ff07ebfd6bf2e...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. |
|---|