OT-2026-000042855
Publication integrity record
Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000042855) never changes.
Identity and time
| Publication number | OT-2026-000042855 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7312-9cfe-b8dda6fe14a5 · 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-2026-000042855 |
| Status | PUBLIC |
Content hashes
| Canonical text | 13b77cc1a1799061400a71d7d71161cf92cc5b3fd3b014c3c7d058ea838ee2bb |
|---|---|
| Markdown | 3a1a87a25d6382a7f2373dfeaebce36ef3b972588345fdcd551b642ca8c88265 |
| Publication page | 15ec5b94e0e4b186b49772dbeffc3b9dfaa472fa561259d21f5702399735d425 |
| Manifest | 03301297894d2c82829971c838b3eae47c4553096754fd87e221f2afa44d8038 |
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 | piir07cwTSFb8FEvom+RFZ/SRIjJXeVqi7h7ZSzvZwoS8FfHM8zpXwPPjLetHdt6UdoOwNwGSPKAbCt3drUpBg== |
| 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
| 2026-10-05T12:41:41.854123Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855observed 15ec5b94e0e4b186b49772dbeffc3b9d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-05T12:41:41.777051Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/manifest.jsonobserved 03301297894d2c82829971c838b3eae4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:41.720615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/publication.mdobserved 3a1a87a25d6382a7f2373dfeaebce36e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-05T12:41:41.664023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/publication.txtobserved 13b77cc1a1799061400a71d7d71161cf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:28.164079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855observed 15ec5b94e0e4b186b49772dbeffc3b9d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:28.090450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/manifest.jsonobserved 03301297894d2c82829971c838b3eae4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:28.005467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/publication.mdobserved 3a1a87a25d6382a7f2373dfeaebce36e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:27.916699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042855/publication.txtobserved 13b77cc1a1799061400a71d7d71161cf...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 |
|---|