OT-2026-000028427
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, three stage ejector, 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-2026-000028427) never changes.
Identity and time
| Publication number | OT-2026-000028427 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-74f1-aa87-b9abf4d140fb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2055f8c195620c5cb71c86a7261e4ffb51cdcd6641e3ebbce39576cc57f75f70 |
|---|---|
| Markdown | da79bf8b2f79ee70d80ad72d83122d253030d015bf3dadab6a6e403a7004f2f6 |
| Publication page | 257936d039b5256475f49fccc96970e0dbd5d8a4f40230d337bdb1cd2f3a70c0 |
| Manifest | 22405af4fa349c1160ee50ed8191e4c8b009fb41bbbcb5787751c691f9333d9f |
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 | m15zINJPgSajjqAz4NWTtkG0iUtSU7KcM8CkYwxthvaKPzRACNGF/IUDOWMgVlTRHyh+VoJWolhKNyKL09/tBA== |
| 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
| 2026-09-17T11:40:33.622749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028427observed 257936d039b5256475f49fccc96970e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:33.603799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028427/manifest.jsonobserved 22405af4fa349c1160ee50ed8191e4c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.587075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028427/publication.mdobserved da79bf8b2f79ee70d80ad72d83122d25...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:33.571068Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028427/publication.txtobserved 2055f8c195620c5cb71c86a7261e4ffb...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. |
|---|