OT-2026-000019021
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000019021) never changes.
Identity and time
| Publication number | OT-2026-000019021 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-705a-8ec8-69724892e4ec · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ea2dddcc2b9e98626c67a29c8d27879511a661471189f1cc2fa0ee9ca254a39 |
|---|---|
| Markdown | f7f9c682db79e7aeb7e718fd08bab7d2e2c7f4bbd69a8eb0f9a90a41e4771a60 |
| Publication page | f915fbcf422acdbe21f3e208d08b4ae5957f105660b321cf6be353974bb0b609 |
| Manifest | c5ae1e803681b4ecf7b93aef6a13b84e3c20324fa13d92288f64ee809a77ee90 |
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 | NO/GMwvtCpF1pZZ95C7yGb8wIUM7TH7wePoqAv9wo5y6ihRBVWT0RNo7/rGDvfXxi2Eg/V9dluqCCcQpwv/MCA== |
| 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
| 2026-09-17T11:59:42.716052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019021observed f915fbcf422acdbe21f3e208d08b4ae5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:42.699059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019021/manifest.jsonobserved c5ae1e803681b4ecf7b93aef6a13b84e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:42.681168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019021/publication.mdobserved f7f9c682db79e7aeb7e718fd08bab7d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:42.664861Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019021/publication.txtobserved 5ea2dddcc2b9e98626c67a29c8d27879...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. |
|---|