OT-2026-000028934
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, 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-2026-000028934) never changes.
Identity and time
| Publication number | OT-2026-000028934 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-794a-94d8-8bf802fd604b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028934 |
| Status | PUBLIC |
Content hashes
| Canonical text | 50c7340d51fb893a13e212c1a029b71f2d56b74907a18423ad382e8ce7b2fe04 |
|---|---|
| Markdown | d889d3925207f458ce8123a431b5aeaea4c52fe8772fc7899835c8bcf5c42cc4 |
| Publication page | 1ebb5d4db3ef533d16089c09dca1f32431fbde46a6532a5c2279f6ae52ad59aa |
| Manifest | cfa559ee7c142eee7bc899168e5a00cf092d964b94577c3c56570b6a89edaef7 |
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 | tjOSM2pp9vpjReR5w6WNt7gQWAVDmwyCQqruAqQrsGlGBp5F4jxJH5yv+xRfz8xmRMS7MctSwL1o/65gEW0kDQ== |
| 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
| 2026-09-17T08:20:22.967054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028934observed 1ebb5d4db3ef533d16089c09dca1f324...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:22.949238Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028934/manifest.jsonobserved cfa559ee7c142eee7bc899168e5a00cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.929961Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028934/publication.mdobserved d889d3925207f458ce8123a431b5aeae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:22.799646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028934/publication.txtobserved 50c7340d51fb893a13e212c1a029b71f...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. |
|---|