OT-2026-000077243
Publication integrity record
Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer
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-2026-000077243) never changes.
Identity and time
| Publication number | OT-2026-000077243 · never reused |
|---|---|
| Internal UUID | 01a0ae94-f508-7174-9491-42e8ff2bdf95 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:32.796581Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077243 |
| Status | PUBLIC |
Content hashes
| Canonical text | 17bda52fa546faa3095640935c20aaba16a961eab28fb5825fa9e2746be771ab |
|---|---|
| Markdown | 66b330a88bfd04106ed845c4de19f5c6dd2c0e5e9597a4959f5b626574a5bd87 |
| Publication page | 06fa08539e83bb7fa61191abec1e32be17321ea379e3935131cf37f5c9da2aab |
| Manifest | 3ac35145b503d2323bbcd7a2936792185806f84fd3b97aac548d51920b13a04f |
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 | EYP2rZ/c6qcY1lHu6NPLahwhdFqkT6YntXRgzOPqioZdj6zwyeWYpXUoaE8wMPqsjrbJcYooLaJSaSBWpUG+AA== |
| 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... |
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Independent retrieval
| 2026-10-24T12:41:36.713996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243observed 06fa08539e83bb7fa61191abec1e32be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T12:41:36.621890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/manifest.jsonobserved 3ac35145b503d2323bbcd7a293679218...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:36.545644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/publication.mdobserved 66b330a88bfd04106ed845c4de19f5c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T12:41:36.450853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/publication.txtobserved 17bda52fa546faa3095640935c20aaba...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:35.408173Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243observed 06fa08539e83bb7fa61191abec1e32be...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:35.358114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/manifest.jsonobserved 3ac35145b503d2323bbcd7a293679218...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:35.292071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/publication.mdobserved 66b330a88bfd04106ed845c4de19f5c6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-06T12:41:35.122094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077243/publication.txtobserved 17bda52fa546faa3095640935c20aaba...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 |
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