OT-2026-000027690
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000027690) never changes.
Identity and time
| Publication number | OT-2026-000027690 · never reused |
|---|---|
| Internal UUID | 01a0ae72-699a-7822-bfc9-a49d1414228f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:48.928538Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000027690 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1e18aa25cfd3196d9cc1e732581fcf65b88fd3cf1e9781dc425a81874759e16d |
|---|---|
| Markdown | a6ce3b9d2792de9f96adaecacf8ae4a4f72ebe7e46dab8693a67e5cb2f380baf |
| Publication page | 538fe9264b27aab695c9b8a6b2725f1ea9de56bd1f7c5c645bacc5c770353bf7 |
| Manifest | 36885c31efe469fad8466f5af86036ef8084a4648474f43360419a28e6b454d1 |
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 | n3J+ZYtTtUlFLJQloLjQzW1p4K9PeqUZ9nPdUGiRD/EKQRISbJ6bcdwCbiozOPZAhhBEpbtNojY1faSnRxoOBA== |
| 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
| 2026-10-23T04:41:07.941059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690observed 538fe9264b27aab695c9b8a6b2725f1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T04:41:07.865238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/manifest.jsonobserved 36885c31efe469fad8466f5af86036ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:07.815556Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/publication.mdobserved a6ce3b9d2792de9f96adaecacf8ae4a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T04:41:07.739218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/publication.txtobserved 1e18aa25cfd3196d9cc1e732581fcf65...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:46.130394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690observed 538fe9264b27aab695c9b8a6b2725f1e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:46.074211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/manifest.jsonobserved 36885c31efe469fad8466f5af86036ef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:46.012808Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/publication.mdobserved a6ce3b9d2792de9f96adaecacf8ae4a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-18T08:41:45.917159Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000027690/publication.txtobserved 1e18aa25cfd3196d9cc1e732581fcf65...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 |
|---|