OT-2026-000026020
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000026020) never changes.
Identity and time
| Publication number | OT-2026-000026020 · never reused |
|---|---|
| Internal UUID | 01a0ae71-a83f-7bae-b86d-78a72334ceb0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:17:59.376802Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026020 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5685485aa342079fa95803130dfa806dbe1eafc419453d726128e1166f32903 |
|---|---|
| Markdown | e6c96a72ebf81c99fced308a44d4b422e0ff34aa19d9f1be98da236b128237bb |
| Publication page | 264f02fec59a01afdef1e4b74d9b496bef00a37d17a2dc67ecf3daabef7afbbb |
| Manifest | ef0ccdb874cad02bf95067d651b2080d7e63e291bc0d8685028884cf149f36d2 |
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 | Oz0jbEA1CG6tqsI5PyXI4hqIvO5UfTdLHzJzDfGqPFYF2uo0N657KmVe9gGANC+TjQKKpB4uZlvXcbUZ2uq7Dg== |
| 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
| 2026-10-27T00:41:26.218461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020observed 264f02fec59a01afdef1e4b74d9b496b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-27T00:41:26.124929Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/manifest.jsonobserved ef0ccdb874cad02bf95067d651b2080d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:26.031336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/publication.mdobserved e6c96a72ebf81c99fced308a44d4b422...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-27T00:41:25.868588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/publication.txtobserved b5685485aa342079fa95803130dfa806...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:15.695963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020observed 264f02fec59a01afdef1e4b74d9b496b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:15.602277Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/manifest.jsonobserved ef0ccdb874cad02bf95067d651b2080d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:15.520619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/publication.mdobserved e6c96a72ebf81c99fced308a44d4b422...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T16:41:15.413604Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026020/publication.txtobserved b5685485aa342079fa95803130dfa806...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. |
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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 |
|---|