OT-2026-000026272
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000026272) never changes.
Identity and time
| Publication number | OT-2026-000026272 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4a6-7cbe-ba53-47dccd849ec0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026272 |
| Status | PUBLIC |
Content hashes
| Canonical text | d2b6fff59573a8550e4c2cfb4de96aef52cf6d586947435e662a0a28b9d2e442 |
|---|---|
| Markdown | a72e260b8ce4ce37fbe5d326c8d333a4878848fdb78d28b1702df5d3647c16d0 |
| Publication page | d07bfc922f4be8efe1b6ccae026d0b13650bfc699d7cdf1ba2bd46e578e1b68f |
| Manifest | e96149b627db4f3986f0d17b425fc8c5b946c549b389c4d83488bc1e06e65dd3 |
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 | MujZ2IaWcVf7e/SKMGggpgwesxI38PIKc6ZyB71KKhsQ9jOU/bGsz8ucao/zehsyuz1LQZgrqJLXiO3FI5hUCw== |
| 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
| 2026-09-30T04:41:49.875391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272observed d07bfc922f4be8efe1b6ccae026d0b13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-30T04:41:49.821976Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/manifest.jsonobserved e96149b627db4f3986f0d17b425fc8c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:49.743107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/publication.mdobserved a72e260b8ce4ce37fbe5d326c8d333a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-30T04:41:49.620646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/publication.txtobserved d2b6fff59573a8550e4c2cfb4de96aef...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:35.323111Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272observed d07bfc922f4be8efe1b6ccae026d0b13...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:35.233803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/manifest.jsonobserved e96149b627db4f3986f0d17b425fc8c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:35.096977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/publication.mdobserved a72e260b8ce4ce37fbe5d326c8d333a4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T12:41:34.897889Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026272/publication.txtobserved d2b6fff59573a8550e4c2cfb4de96aef...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 |
|---|