OT-2026-000028028
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000028028) never changes.
Identity and time
| Publication number | OT-2026-000028028 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7af4-87c7-338e42fb3c83 · 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-2026-000028028 |
| Status | PUBLIC |
Content hashes
| Canonical text | b3a7a4f97e6972d48c38a35252e173f50cfabadb802279fb83f58494fabf2177 |
|---|---|
| Markdown | fe3f9238fb0ccf46bb6ab9a428e088d91e42c714e50d495f2fd3e7bf69e20b4c |
| Publication page | 64775030bc3d9cb5afd76472b227944d2719a61834a77417ca30991e752167b4 |
| Manifest | 6d05aa80d40922444263e28e9a35eb29b64c61e431e88a57360fc39a94cf91e4 |
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 | Wmmefo3bB0t/e2JzQSeJ/jzuKrr0Il5XH5ernmtjbiR7hW/o9SE3btqKjcbEDc2tRjK/TnNNu2VsGtGCp1bVBw== |
| 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
| 2026-09-17T11:42:01.703904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028028observed 64775030bc3d9cb5afd76472b227944d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:01.684991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028028/manifest.jsonobserved 6d05aa80d40922444263e28e9a35eb29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:01.645954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028028/publication.mdobserved fe3f9238fb0ccf46bb6ab9a428e088d9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:01.608091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028028/publication.txtobserved b3a7a4f97e6972d48c38a35252e173f5...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. |
|---|