OT-2026-000004568
Publication integrity record
Porous face vacuum gripper, per zone isolation, pump fed, pressure verified
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-2026-000004568) never changes.
Identity and time
| Publication number | OT-2026-000004568 · never reused |
|---|---|
| Internal UUID | 01a0a91c-39ab-77f1-87ce-dc31a0a30698 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:34.414862Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004568 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6cc618c3a98b422bca12e259669ad5177e8e195c7310159f12dcca7d42deaeb4 |
|---|---|
| Markdown | 62528b3f7641e30b0c8dc5f4d244e309392625238f20e344074a173bc3773f83 |
| Publication page | bad0d33de5a57a55e48d87ac3b4299d5b6cfb538540dee41f34d97e733da150e |
| Manifest | 74a30f57496648e054a94e0b85b247078953b3d7192edc833e0a7d6b8b07f421 |
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 | d529KAQ6mEFsDbJwMeqGtwSG2t71TNSzNn7KZXg85StJ+YBFK9/355VlAPLcH19f7pHlARcKTW41LAW9lcP9CA== |
| 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
| 2026-09-16T08:42:23.181625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568observed bad0d33de5a57a55e48d87ac3b4299d5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:42:22.875076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/manifest.jsonobserved 74a30f57496648e054a94e0b85b24707...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:22.624520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/publication.mdobserved 62528b3f7641e30b0c8dc5f4d244e309...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:42:21.978126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/publication.txtobserved 6cc618c3a98b422bca12e259669ad517...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.945563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568observed bad0d33de5a57a55e48d87ac3b4299d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.928723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/manifest.jsonobserved 74a30f57496648e054a94e0b85b24707...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.917370Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/publication.mdobserved 62528b3f7641e30b0c8dc5f4d244e309...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:13.904722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004568/publication.txtobserved 6cc618c3a98b422bca12e259669ad517...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. |
|---|