OT-2026-000028713
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000028713) never changes.
Identity and time
| Publication number | OT-2026-000028713 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-73fc-b234-2c55a0e245cf · 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-2026-000028713 |
| Status | PUBLIC |
Content hashes
| Canonical text | 575c367d9069a45ba9b2eebf555d20a0d04e6b2cf185c93d966d11f5fcc01dad |
|---|---|
| Markdown | 25a4997351fb9de6eb70257b959368ee7df012579cdb35868bf4cf8802e93b94 |
| Publication page | 713b540ccacf85c8e2ee620bc3ad2d9d3317e974abb051ce24a980257987313b |
| Manifest | b2f3df7df7a107cf106e0168b1af13a9f2759b3da675a588f04ed7d80a66643b |
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 | SbYQkyDmzaXHNy2VV9hdE3+rRK82UN5M7NDfZjCsyk63sFmLV6hbVRdikSHd+y8M8DY1ynmiuL41Y7u3GkjwBw== |
| 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
| 2026-09-17T11:41:43.079516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028713observed 713b540ccacf85c8e2ee620bc3ad2d9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.059315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028713/manifest.jsonobserved b2f3df7df7a107cf106e0168b1af13a9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.036516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028713/publication.mdobserved 25a4997351fb9de6eb70257b959368ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.012215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028713/publication.txtobserved 575c367d9069a45ba9b2eebf555d20a0...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. |
|---|