OT-2026-000031688
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000031688) never changes.
Identity and time
| Publication number | OT-2026-000031688 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad0-7784-bd1f-99381241360f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031688 |
| Status | PUBLIC |
Content hashes
| Canonical text | d0ca3306b5969a20615ce17f2cf1bde0d0f1a4bd02d99c379f9480d716afbe74 |
|---|---|
| Markdown | 7ee215547d9b756636f35af340046ae61c30abdcd3b758af2961767434dd161e |
| Publication page | ba368687eb0549f642d7cb168a3598ad07a19a311ce5bb85b7c1c0311029d1da |
| Manifest | 7d74b3c67ff90f1aabb897b320c24f99342b8c233ca2cd403279fe15502ed91c |
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 | kics4cIT5efhc4ah/SuaZOlk+GXRbR4z0puW2rIY0WePLqHECp8fy855DYVcpLbHAx1nexRQlMF7X/cCz1r2Bg== |
| 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
| 2026-09-17T11:34:47.464508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031688observed ba368687eb0549f642d7cb168a3598ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:47.446567Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031688/manifest.jsonobserved 7d74b3c67ff90f1aabb897b320c24f99...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:47.427081Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031688/publication.mdobserved 7ee215547d9b756636f35af340046ae6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:47.409408Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031688/publication.txtobserved d0ca3306b5969a20615ce17f2cf1bde0...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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