OT-2026-000050377
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000050377) never changes.
Identity and time
| Publication number | OT-2026-000050377 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c47-7769-b63c-82c4956223bd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050377 |
| Status | PUBLIC |
Content hashes
| Canonical text | e62fc542812844d5736e0a4c9bac574252c8402b2cefa020cafd48108c4b5bc8 |
|---|---|
| Markdown | e608c36717619eab52efda427ce8a0eeed9a386fde38ba5c8625f483d5c28316 |
| Publication page | b3e2f539c6ed8cabd11b56305cbbe7dfbd4f1be42445316e1b89fd5757cf00fa |
| Manifest | 335b84e52529d3f0d457eb166f937fc54221433bdbf9b7a5491b5a229f2d306a |
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 | 9W41vssWJNNS1zqIhTrp5BARE0kzCu7LeWP/SGzKq4/WY2aVghk3ewwbrJ/ic1gyblVmpLzOX6wU0GCD7J0MAA== |
| 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
| 2026-09-17T11:01:24.727509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050377observed b3e2f539c6ed8cabd11b56305cbbe7df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:24.710160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050377/manifest.jsonobserved 335b84e52529d3f0d457eb166f937fc5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:24.694826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050377/publication.mdobserved e608c36717619eab52efda427ce8a0ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:24.678937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050377/publication.txtobserved e62fc542812844d5736e0a4c9bac5742...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. |
|---|