OT-2026-000021391
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000021391) never changes.
Identity and time
| Publication number | OT-2026-000021391 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-78bd-a6e8-f315083102ea · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021391 |
| Status | PUBLIC |
Content hashes
| Canonical text | 288425c3143606a96cd5f7ab7abbad67ad0b10b27d0939f8c4d1ba5966a65e8c |
|---|---|
| Markdown | 3abe8637c677b85823437d075bb0859bd582f40867e97debbfa2b6c530d821b4 |
| Publication page | 02459eb5bad0b3d3b170546480af8aa48d708002403606062b48868e8ed51865 |
| Manifest | f886019c1e99d11056758570701f886d193f592828585e6aff6f1f147beba9f4 |
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 | Zr7WZjDoAc5MF8XEwv8sbzrhNpIJURcP7/iKqhubXsJRQFqzl4Z5pzUS5NismNXFQEyCp0Pf1ceFTq+isTgaCg== |
| 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
| 2026-09-17T11:55:16.630820Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021391observed 02459eb5bad0b3d3b170546480af8aa4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:16.603683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021391/manifest.jsonobserved f886019c1e99d11056758570701f886d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.577554Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021391/publication.mdobserved 3abe8637c677b85823437d075bb0859b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:16.551831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021391/publication.txtobserved 288425c3143606a96cd5f7ab7abbad67...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. |
|---|