OT-2026-000028449
Publication integrity record
Six cup vacuum gripper, six outlet manifold, 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-2026-000028449) never changes.
Identity and time
| Publication number | OT-2026-000028449 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7efb-a9ac-49cf750ccec5 · 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-2026-000028449 |
| Status | PUBLIC |
Content hashes
| Canonical text | d641ae1aa03b193ed0a305d91cc731d04e47a66a36b77161d22d4fada57e383e |
|---|---|
| Markdown | f5309c4b3289d4bac0dd939cccfafa6d8b1dc4b825eb231d60152279ef4e5762 |
| Publication page | ea54052ff5607fd41f848a426c2af13e3fc9e885e09cf54ccc7a3af753922311 |
| Manifest | 789402ec06715652148846b9da61e07c7654b37f5a3567b78e1bdefe5f0195bb |
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 | gMtWDLvwduoXYGvoqiQ6KvHgfZ6FSw4M350IgOjGEqtkpnmQuwWYlNmmrnm707N3jIS2ykyeHx29gSlc0lZSAQ== |
| 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
| 2026-09-17T11:40:35.235270Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028449observed ea54052ff5607fd41f848a426c2af13e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:35.214083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028449/manifest.jsonobserved 789402ec06715652148846b9da61e07c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.187671Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028449/publication.mdobserved f5309c4b3289d4bac0dd939cccfafa6d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:35.168392Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028449/publication.txtobserved d641ae1aa03b193ed0a305d91cc731d0...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. |
|---|