OT-2026-000018310
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018310) never changes.
Identity and time
| Publication number | OT-2026-000018310 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-7ac6-8550-fc21e785c4f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018310 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5d271625f190723ff77a1f2f2ea9cb91a546de15891f535736c2608ac0682f75 |
|---|---|
| Markdown | 20450d8038f64e2f35ac0fee40590593d42b4fe6056a809a6c331c09c8541a6e |
| Publication page | f37ba0122a4ffdd41aa6c1db1fa3bac3e6ddb90a0923c8843dcc49bf62b3b490 |
| Manifest | 130c5c5c8141c071d364fdc8a3eecb6dadabac8c89f74f3a0869d1378648db78 |
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 | kgFWuokqYs2IsZ6PkudpWqEYj6A1PHUkPJWg84WMNfIBr/EoP+6gBiqausCXLIte52pDB7Oz88q1wE316x5PAg== |
| 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
| 2026-09-29T08:41:53.172248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310observed f37ba0122a4ffdd41aa6c1db1fa3bac3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T08:41:53.083634Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/manifest.jsonobserved 130c5c5c8141c071d364fdc8a3eecb6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:52.996817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/publication.mdobserved 20450d8038f64e2f35ac0fee40590593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T08:41:52.884316Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/publication.txtobserved 5d271625f190723ff77a1f2f2ea9cb91...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:09.462602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310observed f37ba0122a4ffdd41aa6c1db1fa3bac3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:09.287559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/manifest.jsonobserved 130c5c5c8141c071d364fdc8a3eecb6d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:09.073399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/publication.mdobserved 20450d8038f64e2f35ac0fee40590593...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T16:42:08.554273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018310/publication.txtobserved 5d271625f190723ff77a1f2f2ea9cb91...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 |
|---|