OT-2026-000030582
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000030582) never changes.
Identity and time
| Publication number | OT-2026-000030582 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e505-73a8-aff2-06954a63fbce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030582 |
| Status | PUBLIC |
Content hashes
| Canonical text | 290df2554b3ea1e122a172f598e98a440b2eed63686c6ad9ac400556bc2a4625 |
|---|---|
| Markdown | 4f045e5a225ca8f900f59d4a178faac50d452be4375d9ed87dbe2433f008a05c |
| Publication page | 82031272b7ba1aa0c98d7ec89272e63d1d0b1497cdb22739257d504d159b2a91 |
| Manifest | ab422e6472e24f451102b6e2d02f2632abb5cbc8251df80f85b73400cec8b46b |
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 | lTZo06Xgx3cn1nLBx+QNG1lA3qy0sJ2skxmt69psufJbSqp8MvoPQWPf0w2oWpE/+MCQajsD9Jiue3ZeVzMDBQ== |
| 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
| 2026-10-28T04:41:20.495980Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582observed 82031272b7ba1aa0c98d7ec89272e63d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:41:20.428866Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/manifest.jsonobserved ab422e6472e24f451102b6e2d02f2632...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:20.357206Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/publication.mdobserved 4f045e5a225ca8f900f59d4a178faac5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:20.295199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/publication.txtobserved 290df2554b3ea1e122a172f598e98a44...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:15.818275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582observed 82031272b7ba1aa0c98d7ec89272e63d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:15.768853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/manifest.jsonobserved ab422e6472e24f451102b6e2d02f2632...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:15.718720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/publication.mdobserved 4f045e5a225ca8f900f59d4a178faac5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T00:41:15.236079Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030582/publication.txtobserved 290df2554b3ea1e122a172f598e98a44...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 |
|---|