OT-2026-000056143
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line 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-2026-000056143) never changes.
Identity and time
| Publication number | OT-2026-000056143 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7ee9-b1ec-3d3b5789a982 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056143 |
| Status | PUBLIC |
Content hashes
| Canonical text | 62474233a3cd7fa99ab08ec991158e816215ee4be3e0c6b629e44ea72efe3eb0 |
|---|---|
| Markdown | 9e56e84dc42c51b1c43723c1e48ebc998f49f178ec37a20202475541976e1870 |
| Publication page | 3ea7fa7dd0849d6ec0480c11d13162a06f37f1dc38d458f2a218ac0c730ea26f |
| Manifest | ff3341f32eb4a12c32bee743db186e28429c7dba28bff4534ce9cd06d593f520 |
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 | mlczBAaXmA0n7hZaKBUUyhZ4MGc7guad0zWWUl5JX2KyQiYaZ5/vU/gRl8PwZdKojd3OMC6yN15iagAa3QHOCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:41.685560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056143observed 3ea7fa7dd0849d6ec0480c11d13162a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:41.668575Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056143/manifest.jsonobserved ff3341f32eb4a12c32bee743db186e28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.649919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056143/publication.mdobserved 9e56e84dc42c51b1c43723c1e48ebc99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:41.630662Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056143/publication.txtobserved 62474233a3cd7fa99ab08ec991158e81...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. |
|---|