OT-2026-000020538
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020538) never changes.
Identity and time
| Publication number | OT-2026-000020538 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-73c3-ad9d-86b725e886b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020538 |
| Status | PUBLIC |
Content hashes
| Canonical text | d826b6403e794f67806e8a32ad519a87fb41bd397843adf7cef1528ec37f56cd |
|---|---|
| Markdown | ced676735544750bacdc7c1faad1dd390e0af8419a7c59458440ff6ffe07466e |
| Publication page | ce5ece7dff086987b2df052bf7998ccf46e6389ff65cbce5c7ba5a1cf70e32d9 |
| Manifest | 5ab89c28d942dbd27ac176f499ef4b1b6bee9ae2a6e34f6889486682c55d3b84 |
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 | HeZZCikpaBQqdlNcs94N/18FLlWPIfctnxqZPnB8LXYfgAPEHBfMMlaFbi7QfbD9s0g3bZXzaaSaLxQDcUTqDQ== |
| 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
| 2026-09-17T12:00:31.233724Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538observed ce5ece7dff086987b2df052bf7998ccf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:31.214134Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/manifest.jsonobserved 5ab89c28d942dbd27ac176f499ef4b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.194054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/publication.mdobserved ced676735544750bacdc7c1faad1dd39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.174560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/publication.txtobserved d826b6403e794f67806e8a32ad519a87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.764079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538observed ce5ece7dff086987b2df052bf7998ccf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.745454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/manifest.jsonobserved 5ab89c28d942dbd27ac176f499ef4b1b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.727554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/publication.mdobserved ced676735544750bacdc7c1faad1dd39...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.706359Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020538/publication.txtobserved d826b6403e794f67806e8a32ad519a87...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. |
|---|