OT-2026-000043458
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043458) never changes.
Identity and time
| Publication number | OT-2026-000043458 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-92ce-7c63-b730-fce12c6b1dd8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:49.254972Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043458 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2bf8b306e3e4dc157eff802b8f99baaaea2fc792f2641535510ef95ffb702ff |
|---|---|
| Markdown | b790043eaece0ec866c4c53084de9c36504b0e66aa36892747fe58846f65c01d |
| Publication page | 3caeddf4bb51fe0ea6a8798b556457da15d28fa59efa287e9215602997b613a0 |
| Manifest | cca6d7d5de827b13fadc561cd0965359755ea04a2eaafcb2460266d0d417ce9f |
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 | A6mHQfFqrJrHYH7tagjc72nNUcFQcyqIeELkXZiIIY1D+RmI4bOechdzN7tFjHSc3c6IL3UMIyt5gJhmS7vyCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-26T00:41:14.420728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458observed 3caeddf4bb51fe0ea6a8798b556457da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-26T00:41:14.341412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/manifest.jsonobserved cca6d7d5de827b13fadc561cd0965359...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:14.260988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/publication.mdobserved b790043eaece0ec866c4c53084de9c36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T00:41:14.146176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/publication.txtobserved a2bf8b306e3e4dc157eff802b8f99baa...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:07.574674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458observed 3caeddf4bb51fe0ea6a8798b556457da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:07.342564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/manifest.jsonobserved cca6d7d5de827b13fadc561cd0965359...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:07.088579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/publication.mdobserved b790043eaece0ec866c4c53084de9c36...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T12:43:06.684179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043458/publication.txtobserved a2bf8b306e3e4dc157eff802b8f99baa...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 |
|---|