OT-2026-000003978
Publication integrity record
Porous face vacuum gripper, two stage ejector, contact triggered on the face
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-2026-000003978) never changes.
Identity and time
| Publication number | OT-2026-000003978 · never reused |
|---|---|
| Internal UUID | 01a0a90b-a59e-7a1b-bf4e-8784942b2b72 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:27.937251Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003978 |
| Status | PUBLIC |
Content hashes
| Canonical text | b89abfd029dcc82bc62f191ea55cc29f2f296c60cbeac55679c3bb79e217ec83 |
|---|---|
| Markdown | 9ec6ce39cad73376bd2fdf824d2f10c94d75bd9f123379442413655dc8344a5c |
| Publication page | 75b3f7f0aaf8cb3a4811621291b1d38968f89235db56a86410079aff4db0690e |
| Manifest | c83267dc47ec1811715370c0f4e221467f31e1c312f52fe5d9c0ab94c163aa8b |
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 | pmDnJ7g5pGprjiNxlK+vfW9vZ3NDQ2L88FDfcBDCIdiQkknVc15zV9/kwHW/lsED3krVdsvEVT3okrso8IElBg== |
| 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
| 2026-09-16T07:10:08.601463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003978observed 75b3f7f0aaf8cb3a4811621291b1d389...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.586763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003978/manifest.jsonobserved c83267dc47ec1811715370c0f4e22146...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.573007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003978/publication.mdobserved 9ec6ce39cad73376bd2fdf824d2f10c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.558471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003978/publication.txtobserved b89abfd029dcc82bc62f191ea55cc29f...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. |
|---|