OT-2026-000034515
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000034515) never changes.
Identity and time
| Publication number | OT-2026-000034515 · never reused |
|---|---|
| Internal UUID | 01a0ae76-1ed0-7674-8f85-cb9e48d183fe · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:51.876169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034515 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13d6b53734475be51f3fd70b24fe567bc1b8bfe99effca783cc6c1c3dbb897d1 |
|---|---|
| Markdown | f31c378dbdbc4ae0311474bd938f408f7f884d55da79b70bee1921910da16dd1 |
| Publication page | cfa752dc7f5a388565ca1a5a7a591ee83feba3533941341b6afd81e1506b8f46 |
| Manifest | b0323df5a89775ce70ccced3fbea42d9d0a74d33b48d6a92d6a399898baf0892 |
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 | vX71wGBa3C3OlUzEvhFJrTZQxRiR4JcIG8Euv80SmQjaqbGfWR6/o4zkw66gU4UA1Y6kaPzQcD909Je1AsSNCQ== |
| 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
| 2026-10-26T08:42:10.613223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515observed cfa752dc7f5a388565ca1a5a7a591ee8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-26T08:42:10.534447Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/manifest.jsonobserved b0323df5a89775ce70ccced3fbea42d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:42:10.428750Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/publication.mdobserved f31c378dbdbc4ae0311474bd938f408f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-26T08:42:10.327598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/publication.txtobserved 13d6b53734475be51f3fd70b24fe567b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:29.754040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515observed cfa752dc7f5a388565ca1a5a7a591ee8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:29.678228Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/manifest.jsonobserved b0323df5a89775ce70ccced3fbea42d9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:29.555245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/publication.mdobserved f31c378dbdbc4ae0311474bd938f408f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T00:41:29.440443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034515/publication.txtobserved 13d6b53734475be51f3fd70b24fe567b...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 |
|---|