OT-2026-000020355
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pulsed blow-off before set-down
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-2026-000020355) never changes.
Identity and time
| Publication number | OT-2026-000020355 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7ba9-a014-234fac9d423f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020355 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ff80f7ac36fd16aa9235ad06a296657594dbc9c01ec657d257339b2dd70c181 |
|---|---|
| Markdown | e7b0f059afffcd14ae1141444930fa722175d7250433c32379676a04ac004351 |
| Publication page | 30283298e1e0c653cba49df56b2a26a019e101c779358ba5cb392d25bf92b13f |
| Manifest | 13cd2f41cc607b139c05983811c1ac3fe06c17b5e41c7f582a3c65d83a426a0b |
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 | R0bOMVpI1e044CcTxYvPpOZ4mOYgBNCiHZsoqteEXjNqRbE0k5cOZeiORqGQfR4sqdj1p7YY7Oy4ufFVSsIBAA== |
| 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
| 2026-11-01T08:41:07.865607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355observed 30283298e1e0c653cba49df56b2a26a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-11-01T08:41:07.810439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/manifest.jsonobserved 13cd2f41cc607b139c05983811c1ac3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:07.738430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/publication.mdobserved e7b0f059afffcd14ae1141444930fa72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-11-01T08:41:07.638514Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/publication.txtobserved 1ff80f7ac36fd16aa9235ad06a296657...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:26.991701Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355observed 30283298e1e0c653cba49df56b2a26a0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:26.924662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/manifest.jsonobserved 13cd2f41cc607b139c05983811c1ac3f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:26.833345Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/publication.mdobserved e7b0f059afffcd14ae1141444930fa72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-19T20:41:26.678836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020355/publication.txtobserved 1ff80f7ac36fd16aa9235ad06a296657...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 |
|---|