OT-2026-000020721
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single 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-2026-000020721) never changes.
Identity and time
| Publication number | OT-2026-000020721 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e2-7ad8-a128-81791e083b8f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020721 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61d086e4a4e3a2723a3c678c52610826fd7d89d236ab2f7097d94cbc86b9f0f5 |
|---|---|
| Markdown | f3607a377ea041cc9208a4799c5b71351ce1cf5815805be6acd5c9a2d54aad45 |
| Publication page | 663d82b9d3e259580e648356fecd0dc94d2a349576e3e9278536da750602dcdb |
| Manifest | 799b47a999cd9553910a549dd0aef4493bf7cb8bd9881eb21f2f93bb4d2cf964 |
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 | +CHmcPtIAqPxVX/2XazSh6C8IJ0DQsYnCcuNDbXgYbU+fRqls4kF8hSPG2fvMOsnOj0emSbI1wXAKFepKbEgCA== |
| 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
| 2026-09-17T11:55:46.771146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020721observed 663d82b9d3e259580e648356fecd0dc9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:46.755109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020721/manifest.jsonobserved 799b47a999cd9553910a549dd0aef449...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.739139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020721/publication.mdobserved f3607a377ea041cc9208a4799c5b7135...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:46.722641Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020721/publication.txtobserved 61d086e4a4e3a2723a3c678c52610826...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. |
|---|