OT-2026-000028074
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000028074) never changes.
Identity and time
| Publication number | OT-2026-000028074 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7ab5-9724-698274039d81 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028074 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7344159e3cd809ff073dab96e811c3f2c0dafc8ca05af2dbfb76884ac3ea1d3d |
|---|---|
| Markdown | 286d5c57d089e5d0461260954fa29bac23fea09dab40f05759ccde7a427bdc70 |
| Publication page | 566600d491a2887ca8c5a4471670029ef13859c1eb70801e8ca4dda2c93a8c67 |
| Manifest | c5f85a4050a71848a6a9a416484300155ec1d456b3983fa1efaaa6fc59960ed5 |
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 | PKagUBmTyd0DbRfdtAsO+2q0EwfLph+KEyRfYfdDS7dCVC0tcY+HvR45oNDak/PC5+Kg9NtFjzGZRRaifitzAA== |
| 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
| 2026-09-17T11:42:24.850286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028074observed 566600d491a2887ca8c5a4471670029e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:24.835156Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028074/manifest.jsonobserved c5f85a4050a71848a6a9a41648430015...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:24.816874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028074/publication.mdobserved 286d5c57d089e5d0461260954fa29bac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:24.800000Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028074/publication.txtobserved 7344159e3cd809ff073dab96e811c3f2...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. |
|---|