OT-2026-000020651
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000020651) never changes.
Identity and time
| Publication number | OT-2026-000020651 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-74ea-a693-8749c7be2dcf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020651 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8056a62c3541650b18155438a7d2a53e489ab5bda67f668ad8fdcd10ba96f5e |
|---|---|
| Markdown | 0331510a5b563e928c8f10f84da0c555dbb037bd414754fd8ad272ba69e8f639 |
| Publication page | e09a5e26b0d0403a87cc49395bd8aed9ae94c6ed30f76f7c9d2b04139989814d |
| Manifest | 7af72998db18e8d63c8f1ce7a7dd75b7729e0fd2dfdee78464f837e5ef082dbc |
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 | qUHNWXfW7eGyayVhEPBzGOWK44Vyt4iAqwPxxHbdIEgyC0Gj7usqOcqi3ivBvV2M/ErlMaE1Rc0Z39vHiCbBDQ== |
| 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
| 2026-10-24T00:41:05.752010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651observed e09a5e26b0d0403a87cc49395bd8aed9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:41:05.677840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/manifest.jsonobserved 7af72998db18e8d63c8f1ce7a7dd75b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:05.597959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/publication.mdobserved 0331510a5b563e928c8f10f84da0c555...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:05.256686Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/publication.txtobserved b8056a62c3541650b18155438a7d2a53...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:51.310276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651observed e09a5e26b0d0403a87cc49395bd8aed9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:51.073699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/manifest.jsonobserved 7af72998db18e8d63c8f1ce7a7dd75b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:50.943772Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/publication.mdobserved 0331510a5b563e928c8f10f84da0c555...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-20T20:41:50.641660Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020651/publication.txtobserved b8056a62c3541650b18155438a7d2a53...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 |
|---|