OT-2026-000021258
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000021258) never changes.
Identity and time
| Publication number | OT-2026-000021258 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-74fb-a31d-ea8cf1193089 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021258 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2cedaa78cb405c6d8fd97f7ba0f5cf7a94030141c658ee4e0c8c1b14a0fb9e3 |
|---|---|
| Markdown | 3c45aba153b1fee2d7cae70b038a40612d871cf2912e16d101eb864a33ce7c93 |
| Publication page | 9968285a1706d4d41341db89ef79968dcb67e3fe182d5d029910784961f16aba |
| Manifest | ce5bc72ca95db68b40e787c8175f0618ee9b1fd5af260acb64f9c58655e3c2d4 |
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 | cZ6RrUf6UNgMK16bUW0voTZHR46KgRL3Pc41rnb70gD1hle1Kw7e1Mv7+1enlhsYyJYbCv36kbnasXB1BYKPDA== |
| 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
| 2026-09-17T11:55:04.876056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021258observed 9968285a1706d4d41341db89ef79968d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:04.860506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021258/manifest.jsonobserved ce5bc72ca95db68b40e787c8175f0618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.840980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021258/publication.mdobserved 3c45aba153b1fee2d7cae70b038a4061...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:04.822899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021258/publication.txtobserved b2cedaa78cb405c6d8fd97f7ba0f5cf7...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. |
|---|