OT-2026-000042818
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000042818) never changes.
Identity and time
| Publication number | OT-2026-000042818 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7d18-86b8-2d816f5b0dcc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042818 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13fc23fcfa00596f985276a176846b3b79c96069e07addea1d6d2c55d22abf92 |
|---|---|
| Markdown | 17fe20b1f84fe24a17f49ba1193dac6af3fb887fa56581d9135a5c40fc8d63cb |
| Publication page | b92007f7893ffbb55087574a17cf5bbea850865951f74d7423b8b0e85c152dbb |
| Manifest | 7ca60cdffc3e1ea396063addf33fda9010882ec259d59029ff967ceb5a9952f8 |
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 | DtTuG5D1E7fUkoELAnSyCNF+M8n2BHj7+iSBUw/h9K19hECGghTiLqakjyZWXgrOOOC1Hr1Ue/P3TdDQs2APAA== |
| 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... |
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Independent retrieval
| 2026-10-19T20:41:54.627639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818observed b92007f7893ffbb55087574a17cf5bbe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-19T20:41:54.578683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/manifest.jsonobserved 7ca60cdffc3e1ea396063addf33fda90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:54.525781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/publication.mdobserved 17fe20b1f84fe24a17f49ba1193dac6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:54.448265Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/publication.txtobserved 13fc23fcfa00596f985276a176846b3b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:48.575416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818observed b92007f7893ffbb55087574a17cf5bbe...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:48.504064Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/manifest.jsonobserved 7ca60cdffc3e1ea396063addf33fda90...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:48.434242Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/publication.mdobserved 17fe20b1f84fe24a17f49ba1193dac6a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T16:41:48.349701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042818/publication.txtobserved 13fc23fcfa00596f985276a176846b3b...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 |
|---|