OT-2026-000018428
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018428) never changes.
Identity and time
| Publication number | OT-2026-000018428 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-7355-b381-94b84c5914a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f4190fea41c666a25a85eeea9720a042e0a7f9b97290bfc4447a9ebac6ee219 |
|---|---|
| Markdown | 72d2e2b31bff6daf23ddb22706d92f5d96a4dc8a495c3a33855ebabc0c132a1c |
| Publication page | fd20c96b2e4352cd89e8c52e12b5e28bd91ac6f0880448bdce6e84b1145895f8 |
| Manifest | acb90abe88c0e240b8e8ee93186ec754b39c560a211753c1b72e1082220e18b1 |
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 | kKyCqv/QH90guuAEnnZyU22UDkE8zgAxXDUGE2mArjvDYR5Pq1zFEl5g8lit8DgV/RHqi2BRXS3Cl3AryQHqAg== |
| 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
| 2026-09-17T12:01:10.710769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018428observed fd20c96b2e4352cd89e8c52e12b5e28b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:01:10.693326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018428/manifest.jsonobserved acb90abe88c0e240b8e8ee93186ec754...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:10.675835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018428/publication.mdobserved 72d2e2b31bff6daf23ddb22706d92f5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:01:10.659229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018428/publication.txtobserved 0f4190fea41c666a25a85eeea9720a04...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. |
|---|