OT-2026-000003805
Publication integrity record
Porous face vacuum gripper, four zone face, four outlet manifold, pump fed
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-2026-000003805) never changes.
Identity and time
| Publication number | OT-2026-000003805 · never reused |
|---|---|
| Internal UUID | 01a0a90b-1ca1-77cc-aeed-eb46517c59dc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:52.873179Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003805 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5dbfa895563f53374185b917583e888afb794d98c798cf0a03c2de6e0cc323af |
|---|---|
| Markdown | e20c65f10b1039e18941bc2f3f69f83198b245b7e5ee02b914a55312db530d60 |
| Publication page | 75dbaa26b47d181be47ec707cd3e097d9ddc927021d268675cc4c8d688d776b2 |
| Manifest | 0ed4dd30cf0a479568578116e603fbd2d74fc7261fc2cab57036b9f5afce0417 |
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 | WFKDdHugFZXFrh2jyzQOemXeLRQOJRgKNZ/zbclOEBG5a9mI0PZ1r1OH0hYcj9kcjA/iq1/YfL9qkq0T0XglBw== |
| 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
| 2026-09-17T08:41:03.793413Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805observed 75dbaa26b47d181be47ec707cd3e097d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:41:03.573249Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/manifest.jsonobserved 0ed4dd30cf0a479568578116e603fbd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:03.337732Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/publication.mdobserved e20c65f10b1039e18941bc2f3f69f831...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:41:03.056316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/publication.txtobserved 5dbfa895563f53374185b917583e888a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:33.869367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805observed 75dbaa26b47d181be47ec707cd3e097d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:33.610363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/manifest.jsonobserved 0ed4dd30cf0a479568578116e603fbd2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:33.132238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/publication.mdobserved e20c65f10b1039e18941bc2f3f69f831...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-16T16:42:32.857993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003805/publication.txtobserved 5dbfa895563f53374185b917583e888a...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 |
|---|