OT-2026-000019057
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000019057) never changes.
Identity and time
| Publication number | OT-2026-000019057 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d523-7ba3-b1ec-ca794e94006f · 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-2026-000019057 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff58ddb3767c96a8eef67303b68a67ce721faab4e47ba36b20a99ac7489a3ca6 |
|---|---|
| Markdown | d794e5b73d77c08c189baf97206335620d3654de4e7865d37655f0ea4f680fab |
| Publication page | a70a62b3146728c226eee95b13c7db669ac0fc945c5e19fe86c5f7bbb8d37b69 |
| Manifest | 9fbfbeba507e7d447811ef6c8f974002945daff0f421f328f814aed88856d121 |
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 | TVty13q6urVrAJrQRV9cwTEaOs/+xQepRuXxNH0B0VZkMThXWg+A2s94dTTd7WT03cxWl3+7CUKztIIQ0jd/BA== |
| 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
| 2026-09-17T11:59:45.258600Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019057observed a70a62b3146728c226eee95b13c7db66...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:45.239513Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019057/manifest.jsonobserved 9fbfbeba507e7d447811ef6c8f974002...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:45.221210Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019057/publication.mdobserved d794e5b73d77c08c189baf9720633562...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:45.202365Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019057/publication.txtobserved ff58ddb3767c96a8eef67303b68a67ce...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. |
|---|