OT-2026-000055252
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000055252) never changes.
Identity and time
| Publication number | OT-2026-000055252 · never reused |
|---|---|
| Internal UUID | 01a0ae86-a0ff-7ac4-bbda-8abed5ca00af · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:53.783868Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055252 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6297cb61d9ba2b80a465679aa02eee68036e776a77dee0dadd8b3f14eba308ab |
|---|---|
| Markdown | 626acb24a6f850296aa2c87b7500e30f583b2d58c48fb4db193da6a24726a6fb |
| Publication page | 29cec906d74e1e5887961f6bf4d316aee25ea0797797cbb786ff61f20769a7a2 |
| Manifest | 9cb590fbf2885b4ebba0b9f8ff0b8db06079f725b2a1424a9662382ca0f8b61b |
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 | ZZ4paYoNv8njkiWjyLg0NsiubjSsIxj8sp2CTiUUw2I+Ud+eqNWajXAh5ND+0UHpiO/vEcIb3iF9vxAxVxOiDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-28T12:41:28.407391Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252observed 29cec906d74e1e5887961f6bf4d316ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T12:41:28.354901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/manifest.jsonobserved 9cb590fbf2885b4ebba0b9f8ff0b8db0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:28.272343Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/publication.mdobserved 626acb24a6f850296aa2c87b7500e30f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T12:41:28.115877Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/publication.txtobserved 6297cb61d9ba2b80a465679aa02eee68...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:33.666519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252observed 29cec906d74e1e5887961f6bf4d316ae...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:33.555474Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/manifest.jsonobserved 9cb590fbf2885b4ebba0b9f8ff0b8db0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:33.415951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/publication.mdobserved 626acb24a6f850296aa2c87b7500e30f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-10T12:41:33.215364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055252/publication.txtobserved 6297cb61d9ba2b80a465679aa02eee68...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 |
|---|