OT-2026-000019640
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000019640) never changes.
Identity and time
| Publication number | OT-2026-000019640 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb3-7ee5-ae41-fca68eed80f8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4981950f895301ee80d2590f2cac14dffd88c3a95819434774ec975826fbaf04 |
|---|---|
| Markdown | 5051c9bed5c81d0a0d9b1a324ce3238b40b269fd7505417e561de9b54e664106 |
| Publication page | 69ca886c342be5625ccb0757e232e0ad63833fb8697efd58de2c6fe84e29f78e |
| Manifest | 7b271137326e1b6c7afa1128d5721945cad3387c84c9c89f3646bd88af9eeb65 |
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 | p8Ci3U7eU3AVl2y/0oqLPbr6Bz81+UV8x79JUfgEBJUQuHk2uxUeRpU+vkNpOpLqtu7K8x2z4Ig8jTYLGGTDAQ== |
| 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
| 2026-09-17T11:57:42.100308Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019640observed 69ca886c342be5625ccb0757e232e0ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:57:42.083831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019640/manifest.jsonobserved 7b271137326e1b6c7afa1128d5721945...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:42.066566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019640/publication.mdobserved 5051c9bed5c81d0a0d9b1a324ce3238b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:42.050614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019640/publication.txtobserved 4981950f895301ee80d2590f2cac14df...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. |
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