OT-2026-000004191
Publication integrity record
Porous face vacuum gripper, two outlet manifold, ejector fed, contact triggered, vented after set down
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-2026-000004191) never changes.
Identity and time
| Publication number | OT-2026-000004191 · never reused |
|---|---|
| Internal UUID | 01a0a911-2ab7-73a8-bff1-5ada876d2f58 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:14:29.690594Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004191 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c5ab0c08a43ff5e3e4b4ac512cf33b0a893921acd1e0153d1c28a859b0cff48 |
|---|---|
| Markdown | ef8d070135b8d5f2ec217bd0456429db91cf01e077ecbfcf440cb738c2d6788b |
| Publication page | 6066ecf962a74f8f85ad97a47974e96dc3ee5c47ca3e3c42bb113a6634a3c747 |
| Manifest | cf6beb3054487633d6cc80e5289d1ea586b910b50962aad8a08ffd2f59f18001 |
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 | D85qolZzkUHUsiVqM6/gWQJXCOOkxjQpa4uK5wmsBTRcaGP9wXFmRTlhaEToi45Nqh5dHPxvXo5yxfv4uyQoCA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:20:25.932352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004191observed 6066ecf962a74f8f85ad97a47974e96d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:25.916488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004191/manifest.jsonobserved cf6beb3054487633d6cc80e5289d1ea5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.901158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004191/publication.mdobserved ef8d070135b8d5f2ec217bd0456429db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:25.886174Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004191/publication.txtobserved 4c5ab0c08a43ff5e3e4b4ac512cf33b0...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. |
|---|