OT-2026-000090314
Publication integrity record
Two cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000090314) never changes.
Identity and time
| Publication number | OT-2026-000090314 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-7543-bdb3-4a916368ea99 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090314 |
| Status | PUBLIC |
Content hashes
| Canonical text | 077a5bdf6196bf01f12e86ab89bc33ed33f94a486e2565b44fcc604d78f7a98c |
|---|---|
| Markdown | 7825b8ee5e1ea2ece487f29ef73f6e873423a50ba36839ef030634bdb300d191 |
| Publication page | 27b6ea904091fa363263ba3411ff97fd89f5e8c2ca4cbf4559e62571c8f960c1 |
| Manifest | eba465580d0c78f0006c06bbf292006da8378fc35edeb0b3287285855fffdb6e |
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 | MasT2UP8eDs9oP3Ma+F4OOV/2Ggh0BG0BmbjH/gMr0ccnz3Ba4DP1n8mHwXVlH/WzIn+RuZ8ADqKkGJKQF6YDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T20:42:30.554164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314observed 27b6ea904091fa363263ba3411ff97fd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:42:30.212285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/manifest.jsonobserved eba465580d0c78f0006c06bbf292006d...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:29.939059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/publication.mdobserved 7825b8ee5e1ea2ece487f29ef73f6e87...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:29.628557Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/publication.txtobserved 077a5bdf6196bf01f12e86ab89bc33ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.735521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314observed 27b6ea904091fa363263ba3411ff97fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.718034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/manifest.jsonobserved eba465580d0c78f0006c06bbf292006d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.700728Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/publication.mdobserved 7825b8ee5e1ea2ece487f29ef73f6e87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:23.622466Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090314/publication.txtobserved 077a5bdf6196bf01f12e86ab89bc33ed...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
| Custody package | Pending Custody packages are produced weekly. |
|---|