OT-2026-000028790
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000028790) never changes.
Identity and time
| Publication number | OT-2026-000028790 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7f81-a7f7-0700bddc34a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028790 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4c4d261db892782dd43f14b2f545f9598a05ff0b2412dc15b896177dc002768 |
|---|---|
| Markdown | a6e1ac88ba2ce60ce6e1806ae4c0684282922e707fd3e1d3b6c86e6d9c78f730 |
| Publication page | 4c80b489f8a78f18872a97096165d3e206af16e12fbbf94743cbad05f2e1e814 |
| Manifest | 7e2f2b03776934b6d2ff73d95eeae27c8810852013b75be536265e4d6222ddb4 |
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 | FMvKyMSx4pxy3uQuiVTCLsOTmwEFAkga/Ki7HQAWy0r3HTYujplsGko3TFbnWgzK0Udyde5nED6odPd5ZDjhBg== |
| 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
| 2026-09-17T11:40:02.613106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028790observed 4c80b489f8a78f18872a97096165d3e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:02.589730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028790/manifest.jsonobserved 7e2f2b03776934b6d2ff73d95eeae27c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.570053Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028790/publication.mdobserved a6e1ac88ba2ce60ce6e1806ae4c06842...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:02.540507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028790/publication.txtobserved d4c4d261db892782dd43f14b2f545f95...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. |
|---|