OT-2026-000037918
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000037918) never changes.
Identity and time
| Publication number | OT-2026-000037918 · never reused |
|---|---|
| Internal UUID | 01a0ae77-f88a-762e-8479-0c42063d5750 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:24:53.146436Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000037918 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3e9ddad3ced3acf5eccb684f0d93fb1e6a77209f7de205e3ee64c64c0c388553 |
|---|---|
| Markdown | 149ca7df774523880c4bdf0ec339df8037cd2d4b747f5181e213a72aa333c3d7 |
| Publication page | fe06ae8b7a14ba25e344aa127dbdada30252b62fe5883d31f42d58c8a487aa34 |
| Manifest | b3edc07f8262f441c9f694488efb86f1b330095b48a6d8fd15e339ce573cc5b1 |
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 | 5OJR7p6jiHz7wmxs6QY/ohENMwl9N5uU6JKSpi1U18N4HVQiqe2NP4KlQAc5d1AJQ1MVq9LguZzVyekaKlFxDA== |
| 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
| 2026-10-20T08:41:45.243835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918observed fe06ae8b7a14ba25e344aa127dbdada3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-20T08:41:45.155877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/manifest.jsonobserved b3edc07f8262f441c9f694488efb86f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:45.048731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/publication.mdobserved 149ca7df774523880c4bdf0ec339df80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-20T08:41:44.857105Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/publication.txtobserved 3e9ddad3ced3acf5eccb684f0d93fb1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:14.735852Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918observed fe06ae8b7a14ba25e344aa127dbdada3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:14.640883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/manifest.jsonobserved b3edc07f8262f441c9f694488efb86f1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:14.517885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/publication.mdobserved 149ca7df774523880c4bdf0ec339df80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-28T16:41:14.413407Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000037918/publication.txtobserved 3e9ddad3ced3acf5eccb684f0d93fb1e...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 |
|---|