OT-2026-000028849
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000028849) never changes.
Identity and time
| Publication number | OT-2026-000028849 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7c4c-a43e-184d20c820ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028849 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8ae09bd02ae7e8ab830fccc7aa22de8fcbeea6cb7faa558928d0d75627eced9 |
|---|---|
| Markdown | a82132fef19f3df0bd430c975509b61af7d88c320573f4ee50099539d1ee31eb |
| Publication page | 5374d7849dba8bbd449b58924a863e3549d5c55f56e6d9533df862cd05418310 |
| Manifest | 5c3a7bd452cda4220fade46aa29b2dc2a1d15efa682337856ebef9d7f95d79b8 |
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 | ZiWHQUYEafHHa/ox/6Pzv8aLtBVVSXJKH/YsqZIEnrzBEn+bSD/YpL3n6+ibhS5WOc/DCpi7IN7PNd+u71RMAQ== |
| 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
| 2026-09-17T08:20:07.930667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028849observed 5374d7849dba8bbd449b58924a863e35...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:07.786076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028849/manifest.jsonobserved 5c3a7bd452cda4220fade46aa29b2dc2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.756065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028849/publication.mdobserved a82132fef19f3df0bd430c975509b61a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:07.738122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028849/publication.txtobserved c8ae09bd02ae7e8ab830fccc7aa22de8...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. |
|---|