OT-2026-000004676
Publication integrity record
Porous face vacuum gripper, four zone face, three stage ejector, pressure verified, 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-2026-000004676) never changes.
Identity and time
| Publication number | OT-2026-000004676 · never reused |
|---|---|
| Internal UUID | 01a0a91f-c603-70f5-89ba-bf777fc90098 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:30:26.950418Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004676 |
| Status | PUBLIC |
Content hashes
| Canonical text | 671bb7825646f80ca22f55d2d7b2e26d4e1efe7213243f3f8499ee5c45e9f022 |
|---|---|
| Markdown | 03cf3b9dca93569173e0d3c2aeeff3d84b8da5c4fafad899dbc2894a329d15fe |
| Publication page | 8d1028bbb3e9b029b79ef33428ac4806b94085039a81647d39de586f40ec9ae4 |
| Manifest | 59a1b391dfa075bd022c297d7a450401b3425cd99b60b65917104e90fd5b3498 |
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 | 2UCukHWFPWJl0na65X9879BYOQUbVIJ3dVDcuXRKKkvZDVduerSHRk0YOtPb9L3B4J6ZMvPAL26b4VFMjt39AA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:30.695325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004676observed 8d1028bbb3e9b029b79ef33428ac4806...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:30.684469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004676/manifest.jsonobserved 59a1b391dfa075bd022c297d7a450401...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.673567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004676/publication.mdobserved 03cf3b9dca93569173e0d3c2aeeff3d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:30.658954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004676/publication.txtobserved 671bb7825646f80ca22f55d2d7b2e26d...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. |
|---|