OT-2026-000028642
Publication integrity record
Six pad foam vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000028642) never changes.
Identity and time
| Publication number | OT-2026-000028642 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-764b-b5e6-11b3eade7c57 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028642 |
| Status | PUBLIC |
Content hashes
| Canonical text | d5ae4d4feff79670ebfc6f16a604818b9fc1c494e125ed006a7085c1ffa409d6 |
|---|---|
| Markdown | ac01a934ace9d91dd27fa45270152054f4f60b911431f042ec4b972cbc1a10c7 |
| Publication page | 378e83382bc4e07df56ad43ce8b23d9b7b1e864af5820d49baa6dcdfe05eeac7 |
| Manifest | cf57ffc768e89469f45d422fc4a8907116f6c244ea018450c24c8f7ad17e9a3e |
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 | MAXez2brYEhUbgYwKW+qrIp9aXRgcAB1jKBYTBEF3S5/51uJc46gB5a3LI1QQz3mAcLj3UkxCGFOh7yvXRsEBg== |
| 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
| 2026-09-17T11:41:30.864900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028642observed 378e83382bc4e07df56ad43ce8b23d9b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:30.847394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028642/manifest.jsonobserved cf57ffc768e89469f45d422fc4a89071...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.826280Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028642/publication.mdobserved ac01a934ace9d91dd27fa45270152054...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:30.805693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028642/publication.txtobserved d5ae4d4feff79670ebfc6f16a604818b...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. |
|---|