OT-2026-000091138
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000091138) never changes.
Identity and time
| Publication number | OT-2026-000091138 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-7ca8-9c1d-e67cfae3bb9d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091138 |
| Status | PUBLIC |
Content hashes
| Canonical text | 58bf299641fb26565a41e3fb29914ce1ce48cbfc988ebd3587dadd6b32d7184e |
|---|---|
| Markdown | 44cfd06b792f815e48fc1487bfc6e7503070c7cdd73f561a0adf8bc473c8d843 |
| Publication page | 9be4270f9056632b540e83442fe983d7dff7a8f75c40626a672f4edd299d2ff6 |
| Manifest | 050fefb97bf9f1ea3baba8d8c0bb98e698bcbc8aee1977f19325f7a7f9fec8a2 |
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 | Im4KhQEGvWuNVQznHYUidKeTJ6j6o/ZD8PDLPagHjFDHyMD5LXh7/FE1KBvUYufxZQQNJaA1qtlbwaRsHfJSCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:17.785540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091138observed 9be4270f9056632b540e83442fe983d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:17.768034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091138/manifest.jsonobserved 050fefb97bf9f1ea3baba8d8c0bb98e6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:17.750082Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091138/publication.mdobserved 44cfd06b792f815e48fc1487bfc6e750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:17.732499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091138/publication.txtobserved 58bf299641fb26565a41e3fb29914ce1...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. |
|---|