OT-2026-000023420
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000023420) never changes.
Identity and time
| Publication number | OT-2026-000023420 · never reused |
|---|---|
| Internal UUID | 01a0ae70-7268-75ac-85e5-75358c54e1e1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:40.056870Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023420 |
| Status | PUBLIC |
Content hashes
| Canonical text | 423436252ca77c849e401a1458538711eeb09f5bd9408ac0543acd0bc2bad426 |
|---|---|
| Markdown | f06a5b0b1fd87573073c3f2dd71b2f72c72612f427f95ba3dbc15e3502ad0347 |
| Publication page | b82088109e13c26195ce2186d6043af563318298feea7fb4ffe09c55d6611613 |
| Manifest | 710dda9b573d09d92eb598be9e9b6ba74b7cc3ea184d957b7046be54964c548b |
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 | nzSPKavWSfSlaP5z/2k8HUITxGkkVpgqQEAvY2hCocuRNE9OTo2mxtCB/p2+vx3djbHNCYsjnZt2QNaOAL7PAQ== |
| 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
| 2026-10-23T12:41:32.429403Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420observed b82088109e13c26195ce2186d6043af5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T12:41:32.356279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/manifest.jsonobserved 710dda9b573d09d92eb598be9e9b6ba7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:32.259258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/publication.mdobserved f06a5b0b1fd87573073c3f2dd71b2f72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T12:41:31.993843Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/publication.txtobserved 423436252ca77c849e401a1458538711...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:42:00.543253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420observed b82088109e13c26195ce2186d6043af5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:42:00.357528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/manifest.jsonobserved 710dda9b573d09d92eb598be9e9b6ba7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:42:00.276177Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/publication.mdobserved f06a5b0b1fd87573073c3f2dd71b2f72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-07T12:42:00.119787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023420/publication.txtobserved 423436252ca77c849e401a1458538711...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 |
|---|