OT-2026-000020842
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, 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-2026-000020842) never changes.
Identity and time
| Publication number | OT-2026-000020842 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7b3b-85b2-aa04f976996a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020842 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57c42d92cc4e8ac2b76af2067e55f4d17aa233e337f9cf9397fe7ac9932f07fa |
|---|---|
| Markdown | 6c4096ab8dca43a2b3b727012d572becbbbf9547cf6793d448b87bcbc7b562db |
| Publication page | fba0bb9d7caed696eff38d6d8ea5d66e6f0bd66066a1fe3abfab1da536396188 |
| Manifest | f8063c80225bc825b3c66e9fae89227898446a79bdee2223b34ab38d7d0d8b17 |
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 | i5cvHUbKr+Hhgeo6u/8ABiiO7yIxqUC9fV8JcKlVJ3ymhMj34NxQpXmpfJXrUuSVfxiuT+5sXXXv2UmnOJ8sCw== |
| 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
| 2026-10-10T04:41:19.603434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842observed fba0bb9d7caed696eff38d6d8ea5d66e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-10T04:41:19.531315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/manifest.jsonobserved f8063c80225bc825b3c66e9fae892278...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:41:19.442783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/publication.mdobserved 6c4096ab8dca43a2b3b727012d572bec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T04:41:19.339389Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/publication.txtobserved 57c42d92cc4e8ac2b76af2067e55f4d1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:28.117070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842observed fba0bb9d7caed696eff38d6d8ea5d66e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:28.050138Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/manifest.jsonobserved f8063c80225bc825b3c66e9fae892278...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:27.994102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/publication.mdobserved 6c4096ab8dca43a2b3b727012d572bec...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-26T04:41:27.898748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020842/publication.txtobserved 57c42d92cc4e8ac2b76af2067e55f4d1...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 |
|---|