OT-2026-000050775
Publication integrity record
Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000050775) never changes.
Identity and time
| Publication number | OT-2026-000050775 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b1-7245-84df-f3ff01beadc2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050775 |
| Status | PUBLIC |
Content hashes
| Canonical text | 309638ee638379d23b10cb19b9d2172cd43c8750cf1b144b282dcc1444a343e4 |
|---|---|
| Markdown | 2270f78e478ccfa2a7013d8a25a612d3f0003b173ef15526ac88b89a224c2cd9 |
| Publication page | f7cfa5e2b636d9e6448e043582228e21ae1c292378d15fab235facf81308b1a1 |
| Manifest | 5bbf18f79ab9ad10f85892c1074bdabf6701de1afc7cfe3e1efcc761e82c21e3 |
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 | FTwllbHQ1miDHgCSd9xBsewD5YPx+HWmHoGSum0Mvq1Odspz/IlNsbrb6aCYO6SNMwbZmw7vk+7leUpVmwvoCg== |
| 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
| 2026-11-02T08:41:44.642453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775observed f7cfa5e2b636d9e6448e043582228e21...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-02T08:41:44.595040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/manifest.jsonobserved 5bbf18f79ab9ad10f85892c1074bdabf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:44.547506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/publication.mdobserved 2270f78e478ccfa2a7013d8a25a612d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-02T08:41:44.467998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/publication.txtobserved 309638ee638379d23b10cb19b9d2172c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:42.349015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775observed f7cfa5e2b636d9e6448e043582228e21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:42.331554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/manifest.jsonobserved 5bbf18f79ab9ad10f85892c1074bdabf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:42.314200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/publication.mdobserved 2270f78e478ccfa2a7013d8a25a612d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-30T04:23:42.277151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050775/publication.txtobserved 309638ee638379d23b10cb19b9d2172c...fetched by instance-3.rotem.ai from 34.69.0.72, 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 |
|---|