OT-2026-000028912
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000028912) never changes.
Identity and time
| Publication number | OT-2026-000028912 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7161-b83e-0f36ef4d35c2 · 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-2026-000028912 |
| Status | PUBLIC |
Content hashes
| Canonical text | 178b8790309ab43adae314342ff36775527c9514e1adb14135c11995803e5ab6 |
|---|---|
| Markdown | 5fa78db2247330c04f36838d7b004cb8152b67148c10e38e028352444fdda646 |
| Publication page | 1fcc419e1b13a00bdbc5fe0ecfc513fbd129fa07ed4b15b9a2a2023cd11c12e0 |
| Manifest | 6becf7ac7d4215baa5c1912dad2f373387b4e39178bb583608d06ea1754c16f2 |
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 | eFoIYL2IdAvCizKe8pvP680Mt7r1FANZ3NPuWWXnbDsQ3oSxaooLbWlJv+o7IetsDHcET6n4MjDVlLe0Prv/DQ== |
| 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
| 2026-09-17T08:20:19.198822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028912observed 1fcc419e1b13a00bdbc5fe0ecfc513fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:19.179928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028912/manifest.jsonobserved 6becf7ac7d4215baa5c1912dad2f3733...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:19.033397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028912/publication.mdobserved 5fa78db2247330c04f36838d7b004cb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:19.009898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028912/publication.txtobserved 178b8790309ab43adae314342ff36775...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. |
|---|