OT-2026-000028275
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, single 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-2026-000028275) never changes.
Identity and time
| Publication number | OT-2026-000028275 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f4-7746-b967-db33beccba88 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028275 |
| Status | PUBLIC |
Content hashes
| Canonical text | 22b2be65d7ac307b0ccc2d1d026145412f2cacb06964507b4b75f1c90720953a |
|---|---|
| Markdown | 7fb01db8530896c856a3376ab7f25a5d3b16404c0f498d991e27561f3de29308 |
| Publication page | 9b1b12081db5c10a470d327d5ee49ca725bd9fda241ae3522cedc3711a24a18d |
| Manifest | 118ac087baf64c1089c777af57692a84fd59a9ec7bf49b6b4381b536200098fb |
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 | 3FcWHFyyA/461XzaAL7UfjALRY3QJuaXC1WFHvnyDSTPduaafQjgHsewgLl2UwigpqAwKz6pOOJFsvMY0luMCg== |
| 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
| 2026-09-17T11:40:09.133865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028275observed 9b1b12081db5c10a470d327d5ee49ca7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:09.116602Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028275/manifest.jsonobserved 118ac087baf64c1089c777af57692a84...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.097549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028275/publication.mdobserved 7fb01db8530896c856a3376ab7f25a5d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:09.079044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028275/publication.txtobserved 22b2be65d7ac307b0ccc2d1d02614541...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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