OT-2026-000031794
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, pump fed, pulsed blow-off after 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-2026-000031794) never changes.
Identity and time
| Publication number | OT-2026-000031794 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7e3b-a7e5-3518ea320892 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031794 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d4af8893920aac7200c96b9e6fc59e1ac6f9f71a9a30ec5584cda5339b04096 |
|---|---|
| Markdown | a13fab6f88d2fc03cd8c5a7f5be3f7e8f05a6ebd57684457197b1c737b8b5200 |
| Publication page | 6b85cfc0077abd5ff60d110a64087b6234ad08f5904cd87fad662f86b8ffe40e |
| Manifest | 7318a3fbc00c0b137e31766a53526ed61c2db2a70680d3b433691e8624f7712b |
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 | 4ERZPUOgn4MMB1WpwRwbR5KLlMkNfaD7NnBX+8yc1Lm3FbabNgN0FHnXtz5FunYxVx5HKJtFi4HW8Mp3BdgcDw== |
| 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
| 2026-10-28T12:41:15.379675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794observed 6b85cfc0077abd5ff60d110a64087b62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T12:41:15.303951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/manifest.jsonobserved 7318a3fbc00c0b137e31766a53526ed6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:15.207023Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/publication.mdobserved a13fab6f88d2fc03cd8c5a7f5be3f7e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:15.130486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/publication.txtobserved 6d4af8893920aac7200c96b9e6fc59e1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:27.058611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794observed 6b85cfc0077abd5ff60d110a64087b62...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:26.986296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/manifest.jsonobserved 7318a3fbc00c0b137e31766a53526ed6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:26.916900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/publication.mdobserved a13fab6f88d2fc03cd8c5a7f5be3f7e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T04:41:26.836597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031794/publication.txtobserved 6d4af8893920aac7200c96b9e6fc59e1...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 |
|---|