OT-2026-000028770
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000028770) never changes.
Identity and time
| Publication number | OT-2026-000028770 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-734d-aff4-b115c380dfd4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028770 |
| Status | PUBLIC |
Content hashes
| Canonical text | b53d368e98b17cf2f5ca383177d3777ff0bb50cb0c612f5dbb4342dc392a116b |
|---|---|
| Markdown | f4b587219187d9db3a2d60ed3c1f02b6af2d98d0862c60dcbc2caa28fe784b26 |
| Publication page | 1ff0acace26d6a760c8bdb5b89c2e3fe79d3f2a76a802f3e303911bcc76cff0c |
| Manifest | 9ea2b5cf0de5122204713ac47c6f3298dbae6eede231bddc63627742bc5c710e |
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 | rwKSDc/fxY//hNVPBCB3tKFxDRggD9H+pZHTXEkOmK0KTHURV0xYq+F+8/zFEh5sXQXLGQooacvvZISFP723Cg== |
| 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
| 2026-09-17T11:39:59.617919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028770observed 1ff0acace26d6a760c8bdb5b89c2e3fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:59.600881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028770/manifest.jsonobserved 9ea2b5cf0de5122204713ac47c6f3298...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.583530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028770/publication.mdobserved f4b587219187d9db3a2d60ed3c1f02b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:59.564941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028770/publication.txtobserved b53d368e98b17cf2f5ca383177d3777f...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. |
|---|