OT-2026-000028773
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000028773) never changes.
Identity and time
| Publication number | OT-2026-000028773 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-749c-b326-24da43c28eac · 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-2026-000028773 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6dfc43dcf175345a5150937f17d782f270456f25e3620ad8a50b2bf85302c5e3 |
|---|---|
| Markdown | 31c732ea244d899deb6bcd632d33bb93472280c6734af25285b9e43f849b6c79 |
| Publication page | 8834e9987b02129f83246fddf63ab0adf34deec6b304da39fba213da94cc86ec |
| Manifest | 7b2abff580123c76d16e3183b4f486578b379fb85ff66a54d31240bd6bf7fa92 |
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 | PSDKUo1O1czAvGq05eIETHw/PXeqYfHidllC5ngc9NEpxCVGsv0svSi2Uf7IZPShkE1qWXYLDoNSTMSRjyr0AQ== |
| 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
| 2026-09-17T11:39:59.854566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028773observed 8834e9987b02129f83246fddf63ab0ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.836398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028773/manifest.jsonobserved 7b2abff580123c76d16e3183b4f48657...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.805651Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028773/publication.mdobserved 31c732ea244d899deb6bcd632d33bb93...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.787598Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028773/publication.txtobserved 6dfc43dcf175345a5150937f17d782f2...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. |
|---|