OT-2026-000021163
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000021163) never changes.
Identity and time
| Publication number | OT-2026-000021163 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-72cf-84e3-c4be97fd58c7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021163 |
| Status | PUBLIC |
Content hashes
| Canonical text | b47839af4c7bc3c9389b69fc7e351992751ebcfdc23ac2f9872508a8c86b5f2e |
|---|---|
| Markdown | f77f5a19ad51d4f6c639615ac9503f059a53478aee77e12800b098713f9a1bbb |
| Publication page | 1f3af55afd171154705ac31d5a2504c3062aa9a92f2e4253284119bc9ee957b7 |
| Manifest | 7e23537185fa074efd69eb20b2d95cf7d65fd01dfc658b9b5a7191a46cd68bf4 |
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 | FDsbCptWLEluJ2ElCOq0/6iKsla8Y/SuR9NCgD6HJTv05PdJiKw/KgG/vq2lD7S5dXNoaos9ucl24qhRHmi/Bg== |
| 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
| 2026-09-17T11:54:55.793033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021163observed 1f3af55afd171154705ac31d5a2504c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:55.775091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021163/manifest.jsonobserved 7e23537185fa074efd69eb20b2d95cf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.757369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021163/publication.mdobserved f77f5a19ad51d4f6c639615ac9503f05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.739308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021163/publication.txtobserved b47839af4c7bc3c9389b69fc7e351992...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. |
|---|