OT-2026-000019398
Publication integrity record
Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000019398) never changes.
Identity and time
| Publication number | OT-2026-000019398 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7dd1-bdf6-bad64b5fa545 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019398 |
| Status | PUBLIC |
Content hashes
| Canonical text | 37abe13136b1ccca123b19512b1deb7e48b1a79d467debb12293b6bbbabd637a |
|---|---|
| Markdown | 05e05c3b88c84576e2388e317a5f61997231d23d08867722656dbbe5e3863902 |
| Publication page | c0b7438259a64a0bb03dd178ccd5d770c5cd904c786f3a54691d218a32fed14f |
| Manifest | cbcdd9c9a90526a9e4aa72b5634f18a8566fb1d85233f000de7dbf98299f64d4 |
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 | 6d/a6zcfioBnM+xQVOc8a13v72LbsxuMGc2JhBT06+dau1KmCx4+tYL6p+dYKkOYScXTxlmE6nwqwSNxBqQ8CQ== |
| 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
| 2026-10-23T16:42:09.521372Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398observed c0b7438259a64a0bb03dd178ccd5d770...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-23T16:42:09.447457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/manifest.jsonobserved cbcdd9c9a90526a9e4aa72b5634f18a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:09.383934Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/publication.mdobserved 05e05c3b88c84576e2388e317a5f6199...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:42:09.298578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/publication.txtobserved 37abe13136b1ccca123b19512b1deb7e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:42:02.007328Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398observed c0b7438259a64a0bb03dd178ccd5d770...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:42:01.932662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/manifest.jsonobserved cbcdd9c9a90526a9e4aa72b5634f18a8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:42:01.844029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/publication.mdobserved 05e05c3b88c84576e2388e317a5f6199...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-13T04:42:01.667715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019398/publication.txtobserved 37abe13136b1ccca123b19512b1deb7e...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 |
|---|