OT-2026-000091128
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000091128) never changes.
Identity and time
| Publication number | OT-2026-000091128 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16b-756e-9542-d9feb27cf307 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091128 |
| Status | PUBLIC |
Content hashes
| Canonical text | ccf86e84e0c4e48966035c5faf5ca269207530fdb24d4e369d40f91c8217afec |
|---|---|
| Markdown | a590a93166a0a50f513840eb761c7e1b907ecce2b856d9c4adf7d70219c33f0d |
| Publication page | 018ef782eea8b704ccbc3ccff545b674a7352d48162123804b96c4ad2446bf57 |
| Manifest | 3450b543ffef31aaab20e5b67320eafd85af5dd3ceb24d8611667438737adac9 |
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 | CNmd0tENb+voVsAORGjHiG0bPYcAmYHkub65fXpdtG/9JkwuGjGhtm78xe7plRl3kqE2FF8TA0ZgcsaFS8SnBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-10-08T12:41:47.173528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128observed 018ef782eea8b704ccbc3ccff545b674...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-08T12:41:47.072153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/manifest.jsonobserved 3450b543ffef31aaab20e5b67320eafd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.984679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/publication.mdobserved a590a93166a0a50f513840eb761c7e1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T12:41:46.775861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/publication.txtobserved ccf86e84e0c4e48966035c5faf5ca269...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:53.348072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128observed 018ef782eea8b704ccbc3ccff545b674...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:53.243431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/manifest.jsonobserved 3450b543ffef31aaab20e5b67320eafd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:53.109126Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/publication.mdobserved a590a93166a0a50f513840eb761c7e1b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T16:41:53.037106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091128/publication.txtobserved ccf86e84e0c4e48966035c5faf5ca269...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|