OT-2026-000048658
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000048658) never changes.
Identity and time
| Publication number | OT-2026-000048658 · never reused |
|---|---|
| Internal UUID | 01a0ae80-c32b-7c90-9d5f-cd335b21c536 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:34:29.321882Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048658 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7bf4a0594749f3db89ccbae459e347b7c19778dfdceaadd36586ea0cc2262e5d |
|---|---|
| Markdown | 860a6a2121f27ecc969bdb52ea2ad28df97320b2d8b4d697606b98d4de16e803 |
| Publication page | 615d987fff20d69c8ba0212dabbf40df0bb98ff927a6db246bce2ae75ec7450f |
| Manifest | a9acdb1613d54f0704ced6abf3bd6ad976c12ff9a2a3afd07174af10494d4157 |
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 | MkeNFo9kRCQAuitaCr1rPqeeHI6um5ZFlY/kx4hp54HQOuzeqxjycorPjHUJBttYP832BzU7gQbL0G4XgKIyCQ== |
| 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
| 2026-10-28T04:41:16.989610Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658observed 615d987fff20d69c8ba0212dabbf40df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T04:41:16.928371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/manifest.jsonobserved a9acdb1613d54f0704ced6abf3bd6ad9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:16.871096Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/publication.mdobserved 860a6a2121f27ecc969bdb52ea2ad28d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T04:41:16.707858Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/publication.txtobserved 7bf4a0594749f3db89ccbae459e347b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:06.230171Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658observed 615d987fff20d69c8ba0212dabbf40df...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:06.159422Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/manifest.jsonobserved a9acdb1613d54f0704ced6abf3bd6ad9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:06.104726Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/publication.mdobserved 860a6a2121f27ecc969bdb52ea2ad28d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-22T20:41:05.957499Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048658/publication.txtobserved 7bf4a0594749f3db89ccbae459e347b7...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 |
|---|