OT-2026-000004493
Publication integrity record
Vacuum cup gripper, three zone face, ejector fed, pressure verified at each zone, contact triggered
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-2026-000004493) never changes.
Identity and time
| Publication number | OT-2026-000004493 · never reused |
|---|---|
| Internal UUID | 01a0a919-d65b-78e6-a4f4-6ab853a595b1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:23:57.918700Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004493 |
| Status | PUBLIC |
Content hashes
| Canonical text | 92f8f31045c0b32f648ca2e271bd8eaa92a51562b50c0ba8934e2b9265cfd89f |
|---|---|
| Markdown | c783646ff61229486950806972a21377890d07c603a5917a1dd07335cbbcf718 |
| Publication page | f7b76002536fea7af956801e0b279ef74f2ca29669b9ac57372600fce861d512 |
| Manifest | 36be9c8ee86de0a0dfeb6bfacbddd2d3cf88518c70159f40d1380591724e09c1 |
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 | rnp38c+htELc5zRDXJ5nfSVc1EhPbNtLoq6TO2lDavYzYzlA+53lVFh1z4ryABNXOW40T4pV80GNONR16jv9Bw== |
| 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
| 2026-09-16T07:30:21.682095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004493observed f7b76002536fea7af956801e0b279ef7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:21.671712Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004493/manifest.jsonobserved 36be9c8ee86de0a0dfeb6bfacbddd2d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.659213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004493/publication.mdobserved c783646ff61229486950806972a21377...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:21.648064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004493/publication.txtobserved 92f8f31045c0b32f648ca2e271bd8eaa...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. |
|---|