OT-2026-000019556
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000019556) never changes.
Identity and time
| Publication number | OT-2026-000019556 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-774d-a957-808ff11d30a9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019556 |
| Status | PUBLIC |
Content hashes
| Canonical text | a5371e823de1034eb7cd498e6af3f0e926ed4991e070b01f6ce1817f6f49cfec |
|---|---|
| Markdown | cb45349a25e1039c864eeb3409a96a60e64c56abd4b0901ba701ff9f67a2ee22 |
| Publication page | 11484fd5a7a6da2ae52c5add594cd66c0f1b9817b90d97b29f52071251e67b63 |
| Manifest | 0c5aae3d44586b5da2962b6bd0767385c87c214354bde8cabe020a90b3868189 |
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 | IVaQuoguhf5FQZY+dme4vUzf14X9iYDixRhQ5/9gM6Ru3Bh5nCPTNZ9zGg13N2rsPjuxukUzsBGIyTKGdv29Cw== |
| 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
| 2026-09-17T11:58:59.986842Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019556observed 11484fd5a7a6da2ae52c5add594cd66c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:59.969588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019556/manifest.jsonobserved 0c5aae3d44586b5da2962b6bd0767385...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.952695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019556/publication.mdobserved cb45349a25e1039c864eeb3409a96a60...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.934412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019556/publication.txtobserved a5371e823de1034eb7cd498e6af3f0e9...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. |
|---|