OT-2026-000090228
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090228) never changes.
Identity and time
| Publication number | OT-2026-000090228 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7bdb-baa7-b13e251c292a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090228 |
| Status | PUBLIC |
Content hashes
| Canonical text | 64c10b7c6481373a18022db68cf1aad97ba820b71ee66d6882b8703791c2674e |
|---|---|
| Markdown | f75a3b6445ed60b888581459cc43a7588ec70ea837a19023238cb11e9d3cbadf |
| Publication page | 88d16dffe6d2727651ed0f6129b890f9f00d3bc726667d28db14aa1bfe095ca2 |
| Manifest | 9e575e118ba3cbf18b0a7e47eb5c334b3e69a181630c0c66322b58957df1c856 |
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 | s6JaX9eAo41LKi7VQdyO+lrm1G6SEDkyaIIlEa8ODCGmdDZ4mO44l+Ofh23ADyPe75k8wEHDuITnQ8m7dHOsBQ== |
| 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
| 2026-09-17T09:46:18.518479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090228observed 88d16dffe6d2727651ed0f6129b890f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:18.501009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090228/manifest.jsonobserved 9e575e118ba3cbf18b0a7e47eb5c334b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.485523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090228/publication.mdobserved f75a3b6445ed60b888581459cc43a758...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:18.469127Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090228/publication.txtobserved 64c10b7c6481373a18022db68cf1aad9...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. |
|---|