OT-2026-000020220
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down
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-2026-000020220) never changes.
Identity and time
| Publication number | OT-2026-000020220 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7c0d-a860-20985c907c50 · 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-2026-000020220 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce1bee894cd0551bb5a4e0472b9dd6f75872c73cb98eca7e6d162ac5c5bb610b |
|---|---|
| Markdown | 44eee8cd3986c26f5846b894e150f21ad32dd40953aac8975579a3ebb1cfab30 |
| Publication page | 360e122fa00f3d38a1e58143bb9871e542b69dc3c32389ef1ae496befa2ddea8 |
| Manifest | 55387bf4d36b00bb76148ec8ae65c66e6e757653be5bb146923932e0c2ce58a8 |
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 | 543aRax4SlM9sE1lzDxroM/jVtfg14D1JbdnBNY6lMB0tcwF8xNpBygh/4c1QTVRX2raUy8LRVABTPmeYmIzBA== |
| 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
| 2026-09-17T11:56:33.250475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020220observed 360e122fa00f3d38a1e58143bb9871e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:33.231698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020220/manifest.jsonobserved 55387bf4d36b00bb76148ec8ae65c66e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.210869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020220/publication.mdobserved 44eee8cd3986c26f5846b894e150f21a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:33.190323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020220/publication.txtobserved ce1bee894cd0551bb5a4e0472b9dd6f7...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. |
|---|