OT-2026-000092431
Publication integrity record
Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000092431) never changes.
Identity and time
| Publication number | OT-2026-000092431 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-b5fc-7aec-b454-ddf2f65d9c6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:06:06.506600Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000092431 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6e741d59cee04b22cf29c9e439c1b236a1c79f48374aca8122844606ec63108 |
|---|---|
| Markdown | 9de83c0710463c5907a1e5e866cceab865e96f7d0246d8be6a8dad6b68b60953 |
| Publication page | 06932e51ac1672b7a439dfc80ccc8c7d3fee6831c24eb3419e2ce081b266896b |
| Manifest | 61347d3d1d69202c87e49eb8e1b297b9f63c9a6f1603a5094f3373d2675899be |
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 | 0kyM4/IxzJvZ4BRKEExr8kR9SV0I6uoF4jCEWJphAC9WShfnB0EgOSaOe+v1UnK0mavej02S6Z8mUDlQrsI7BQ== |
| 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
| 2026-10-26T16:41:48.041516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431observed 06932e51ac1672b7a439dfc80ccc8c7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T16:41:47.972015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/manifest.jsonobserved 61347d3d1d69202c87e49eb8e1b297b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:47.858591Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/publication.mdobserved 9de83c0710463c5907a1e5e866cceab8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T16:41:47.758158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/publication.txtobserved e6e741d59cee04b22cf29c9e439c1b23...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:05.507589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431observed 06932e51ac1672b7a439dfc80ccc8c7d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:05.415714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/manifest.jsonobserved 61347d3d1d69202c87e49eb8e1b297b9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:05.257511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/publication.mdobserved 9de83c0710463c5907a1e5e866cceab8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:41:05.136526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000092431/publication.txtobserved e6e741d59cee04b22cf29c9e439c1b23...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 |
|---|