OT-2026-000020228
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, 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-2026-000020228) never changes.
Identity and time
| Publication number | OT-2026-000020228 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7393-a2cf-f212f788fbf7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020228 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7017b56ad943afda538c429c0990fd088707ab6556c3bb5b8c31bef0c0859da |
|---|---|
| Markdown | 9940a8016440092c2ae2d4b51b302dd619ecfc45202ab4c62a8eff0d2d700cf8 |
| Publication page | 1854fc6495c6fdec73ec4918dc02898fc76efa94e6e970309970f73e636c8bdf |
| Manifest | 5cbe32ff8a5429b3031630f8576e697ae8ad6f21ff84eda6393aaa692baad649 |
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 | s8NRjULklOXypCb/xe/UZEWtS6c3zMo9iSD7d+aDPE4DXHrvbxSaYsjjXtSCDYV87gaTlSGYLSmY+z2g0RxuBw== |
| 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
| 2026-09-17T11:56:33.903215Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020228observed 1854fc6495c6fdec73ec4918dc02898f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.886279Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020228/manifest.jsonobserved 5cbe32ff8a5429b3031630f8576e697a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.868680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020228/publication.mdobserved 9940a8016440092c2ae2d4b51b302dd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.849741Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020228/publication.txtobserved d7017b56ad943afda538c429c0990fd0...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. |
|---|