OT-2026-000028775
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed 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-2026-000028775) never changes.
Identity and time
| Publication number | OT-2026-000028775 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7305-a358-b7de384a8d82 · 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-2026-000028775 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d7057bd52647f1e787773bc0f9ec3fe27c1480bc0beb52ea8d3fcabba8c208e |
|---|---|
| Markdown | 4b60d07b9d500d8159e61c6a34776b60c758c64caf9bd91c0980cd8893ab1c75 |
| Publication page | 74674ed67f28db42670e0c9b638bbd45e2ae0f1ec8ea01197e5f8eb52afce52e |
| Manifest | 2e602ad2a6714fc08d3fa88508f8ba5281a73e4e7063195091a21dcd7f67d4d0 |
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 | fPWSi1dTxoICwuN6KpFo1Ukl2tEOG4DXLx8w0YCDZpdYoSs7IYNaN9YFpwBKbURLapulQgtpm0nQhyBrXva/Bw== |
| 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
| 2026-09-17T11:40:00.061388Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028775observed 74674ed67f28db42670e0c9b638bbd45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.042777Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028775/manifest.jsonobserved 2e602ad2a6714fc08d3fa88508f8ba52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.023396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028775/publication.mdobserved 4b60d07b9d500d8159e61c6a34776b60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.999479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028775/publication.txtobserved 0d7057bd52647f1e787773bc0f9ec3fe...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. |
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