OT-2026-000030621
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000030621) never changes.
Identity and time
| Publication number | OT-2026-000030621 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb2-7743-8718-cb84742747c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030621 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe0da3f447fce85d09662b6742b9276859eb6b8da906bec254ce500f41214829 |
|---|---|
| Markdown | 05fd92ade1144213766a43eab08dd59f14e17b378b6418d30fcc3ae491722682 |
| Publication page | 1989bd4cb4af6d6cbc681666d47a3618dd3745505dae95b675dfdcd2472afb60 |
| Manifest | 22a158054b171ab72aea3d5a4e5ba151853f5903dd4422a4ab6e021b353c3775 |
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 | +W5HLrV8ttH01HspMswGJYFsJVCz84WW1ZHOw1jU0/lsjd29+PhiS0kDim6+w+Y24ioh//fEAou1irh0MrESDQ== |
| 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
| 2026-09-17T11:36:29.372647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030621observed 1989bd4cb4af6d6cbc681666d47a3618...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:29.352054Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030621/manifest.jsonobserved 22a158054b171ab72aea3d5a4e5ba151...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:29.333944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030621/publication.mdobserved 05fd92ade1144213766a43eab08dd59f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:29.314473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030621/publication.txtobserved fe0da3f447fce85d09662b6742b92768...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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