OT-2026-000028629
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer
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-2026-000028629) never changes.
Identity and time
| Publication number | OT-2026-000028629 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7f4a-ac32-7e770b54717e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028629 |
| Status | PUBLIC |
Content hashes
| Canonical text | cf7a6ad688d11fdfc08af812f9f94f32613b62e7b0e2b256cb264f00d1605ec1 |
|---|---|
| Markdown | bce60e8b5a62120ff3c4db398f6dd64854dabed615c0fb432ad8b91561a3ccbc |
| Publication page | defcf9c9932ed4fb0ecd0ae1877352987c6f129dc03a3b29120125bf5725d987 |
| Manifest | 361355e65b58b6add9c85890dccbe2685571ff08da2c36b1fc66e7d36960fc25 |
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 | amhRXbpTFXoFnZtvxS4cPcqLKcp7jV5NqnQe8F+r11T6wYtoT6vJ8fkMkL5WPGUKwmFcN2aIaGKy48ImkD8ZAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:29.824085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028629observed defcf9c9932ed4fb0ecd0ae187735298...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:29.804472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028629/manifest.jsonobserved 361355e65b58b6add9c85890dccbe268...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.787980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028629/publication.mdobserved bce60e8b5a62120ff3c4db398f6dd648...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:29.770431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028629/publication.txtobserved cf7a6ad688d11fdfc08af812f9f94f32...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. |
|---|