OT-2026-000019426
Publication integrity record
Foam pad vacuum gripper, two 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-2026-000019426) never changes.
Identity and time
| Publication number | OT-2026-000019426 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7ac2-b247-7207bf688b02 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019426 |
| Status | PUBLIC |
Content hashes
| Canonical text | d513244ca1ac4caaf7f96e6eea469c29ae21437fc2e5bd7351f14f0471f06431 |
|---|---|
| Markdown | db1cfc4109b3455609a098362a7e08338f88a21fbb3c3e4a49db52276f0f81b0 |
| Publication page | 53ee432d801cd42fc82d42d1f61bf44473d02fc871efd225d59c23ca647bd410 |
| Manifest | 8f088944b7d0e61df79e215d1717d348edc446f918ae2005f73a9f49941a55d8 |
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 | n68cTswqJ/0C3fefb+DTq1U6vtLFbg/EiXzzjMmZ60Lz4TleoefAmj5DMf2EzYl+GROP7KuUPWC6PEV9pNHoAQ== |
| 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
| 2026-10-13T00:41:14.659340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426observed 53ee432d801cd42fc82d42d1f61bf444...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-13T00:41:14.554138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/manifest.jsonobserved 8f088944b7d0e61df79e215d1717d348...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:14.483259Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/publication.mdobserved db1cfc4109b3455609a098362a7e0833...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T00:41:14.352261Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/publication.txtobserved d513244ca1ac4caaf7f96e6eea469c29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.341549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426observed 53ee432d801cd42fc82d42d1f61bf444...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.281787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/manifest.jsonobserved 8f088944b7d0e61df79e215d1717d348...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.232934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/publication.mdobserved db1cfc4109b3455609a098362a7e0833...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-04T00:41:06.134408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019426/publication.txtobserved d513244ca1ac4caaf7f96e6eea469c29...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 |
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