OT-2026-000042203
Publication integrity record
Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042203) never changes.
Identity and time
| Publication number | OT-2026-000042203 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7280-8cfb-21878de43660 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042203 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20ace31a3af591533424891bd9aeabb837efe8b6bbbcf0311803494198f2ca66 |
|---|---|
| Markdown | 1cb8019f79ea6f106ae7d76f081f302232f24de49ba9bd78b585cc475afa2056 |
| Publication page | 680bc3cad082303535ce0a45f833a3e8942261eafa18ab648e38ad826f9c4f8e |
| Manifest | e32e10e875158a1e3bd87277e81774fa9bdcf64b23be259d87ac034ef027b444 |
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 | pLuEXFVxxN3Y/pq3Wg+hOf2T2FloqZZAyAQYiCeVWaOxmlemSl3cN9WtWEQ3uQJ/36WCPKEsgO3AonLf/q+EAw== |
| 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
| 2026-09-17T11:15:52.240416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042203observed 680bc3cad082303535ce0a45f833a3e8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:52.221886Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042203/manifest.jsonobserved e32e10e875158a1e3bd87277e81774fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.202836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042203/publication.mdobserved 1cb8019f79ea6f106ae7d76f081f3022...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:52.183603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042203/publication.txtobserved 20ace31a3af591533424891bd9aeabb8...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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