OT-2026-000020843
Publication integrity record
Three bellows cup vacuum gripper, three 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-2026-000020843) never changes.
Identity and time
| Publication number | OT-2026-000020843 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e3-7766-a51c-14a7e6def73a · 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-2026-000020843 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1438d252af56c3b74664cc1e3db95dbaac7ac7b56d47d2cb8f49f5be89500d5 |
|---|---|
| Markdown | 6b91d236c033d8cccdbd34511ec942f7d95cf4797d285ba4762007eb7e9b4b37 |
| Publication page | c79aa1400a9d63b85630f8cca6bbb3a4047c9a47f6291c2783072062ace59a00 |
| Manifest | b4dc1aac1ae92d0fbcdc7c8daf28d8bcfa8841f110af3bb815d28670f18e715c |
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 | HpLPbCBl2/LFOIB8dAVfOMeIi5kmLLopoaFC4BFgy16HcrrCYj+sMhve/2cktBqGi31kWMlsLKDieYYN0SAUDQ== |
| 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
| 2026-09-17T11:55:56.462366Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020843observed c79aa1400a9d63b85630f8cca6bbb3a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:56.443471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020843/manifest.jsonobserved b4dc1aac1ae92d0fbcdc7c8daf28d8bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.424627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020843/publication.mdobserved 6b91d236c033d8cccdbd34511ec942f7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:56.406186Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020843/publication.txtobserved d1438d252af56c3b74664cc1e3db95db...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. |
|---|