OT-2026-000021134
Publication integrity record
Two pad foam vacuum gripper, two 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-2026-000021134) never changes.
Identity and time
| Publication number | OT-2026-000021134 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7fed-a2ef-848e7bbe0a40 · 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-2026-000021134 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87a15ca8cd219b6c7256fa7e0e8131b8f9ba018061b1fed6a04548d0c9c5aeca |
|---|---|
| Markdown | 0873abfcba61db48862d9b0d65e71c7bfc80b5d73cec6963fec5d5a5bd2dbc66 |
| Publication page | d12dfcb7e21f67b79ff1e46fcaa02397a1508c26f323a0800c91c3a6f333654e |
| Manifest | a6ce24503eca6583dbd7d6b3deefebdc6edf6a975e1dbc904ea46eeaf6d3870f |
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 | v7STIpstQMzCQT8C3HYmb0P0LiMcrsVh+OYtUYaFw0TMRiAWNoNWL59PsB6tv4NPy2d599fzBx1t8xtXKcNECQ== |
| 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
| 2026-09-17T11:54:53.166154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021134observed d12dfcb7e21f67b79ff1e46fcaa02397...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:53.146684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021134/manifest.jsonobserved a6ce24503eca6583dbd7d6b3deefebdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.127860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021134/publication.mdobserved 0873abfcba61db48862d9b0d65e71c7b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:53.107295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021134/publication.txtobserved 87a15ca8cd219b6c7256fa7e0e8131b8...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. |
|---|