OT-2026-000028903
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three 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-2026-000028903) never changes.
Identity and time
| Publication number | OT-2026-000028903 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7165-8b84-9c4422d5c1d3 · 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-2026-000028903 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7581f514e00f22500054c1273621834c42fea694fdfb7068e16ece011ff6ebc6 |
|---|---|
| Markdown | d1e30fe15c65f6218c0514036e2d81517d8fba61e52cf7a08279b61323dcd745 |
| Publication page | fe9486047b2e9cfc3dbc6b81bb8005db11fd0890730a07fc2de5a939c12774d9 |
| Manifest | 12cf6fbade47fd68781e85b178ae5fe355792f5df0bff2b7b988a7877cac368b |
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 | R5N0XL7kaiM9U6Eh24DE6ZE3QDtrJLhbdx80I2IC2mklL4eEyW3+b/qOI1lJtRSM3MlUiwSCeM/hjzRXbsWwAg== |
| 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
| 2026-09-17T08:20:03.243243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028903observed fe9486047b2e9cfc3dbc6b81bb8005db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:03.212511Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028903/manifest.jsonobserved 12cf6fbade47fd68781e85b178ae5fe3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:03.182836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028903/publication.mdobserved d1e30fe15c65f6218c0514036e2d8151...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:02.718582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028903/publication.txtobserved 7581f514e00f22500054c1273621834c...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. |
|---|