OT-2026-000022475
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000022475) never changes.
Identity and time
| Publication number | OT-2026-000022475 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7aee-ae51-76a30b85c30c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022475 |
| Status | PUBLIC |
Content hashes
| Canonical text | cb94847f5046c97bc5cfb23e96314f7e7a8277c0861afe665e83d76954b04c1e |
|---|---|
| Markdown | 85383c6730f53ae4b12e3b6eb9edbdd8d1720f66f4942c041654e730fc35eb87 |
| Publication page | 767a0a9c3183d48d7f87f8828b5cd844bf5605694630d4b7458c89205b7f22c8 |
| Manifest | 03ea748491cf07a02462536343588eb5e66d55cce0daeeef98d2bb215f113fe6 |
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 | t9unGHPudZrQ+h9lG1lu+xjgE0/Q+GAEAYtpfU05TIfhxTXpRsCPi3sApjs+rfObX6P3XO7BEPJKWMzBdQEzDw== |
| 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
| 2026-10-04T00:41:41.735866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475observed 767a0a9c3183d48d7f87f8828b5cd844...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T00:41:41.656600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/manifest.jsonobserved 03ea748491cf07a02462536343588eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:41.575818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/publication.mdobserved 85383c6730f53ae4b12e3b6eb9edbdd8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:41.498436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/publication.txtobserved cb94847f5046c97bc5cfb23e96314f7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:52.930438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475observed 767a0a9c3183d48d7f87f8828b5cd844...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:52.498993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/manifest.jsonobserved 03ea748491cf07a02462536343588eb5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:52.180176Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/publication.mdobserved 85383c6730f53ae4b12e3b6eb9edbdd8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:51.763554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022475/publication.txtobserved cb94847f5046c97bc5cfb23e96314f7e...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 |
|---|