OT-2026-000019443
Publication integrity record
Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000019443) never changes.
Identity and time
| Publication number | OT-2026-000019443 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7490-95cb-c43c58852c77 · 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-2026-000019443 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b7133a5a3eda61e755ccadb1db7bac25030b91d15a6752a9a81097cabdc3cf9 |
|---|---|
| Markdown | be76d3eaf3215c8c4f26312be5fafbff6895be83933c3e436be0956c301d69e9 |
| Publication page | bfe70e93c93c68dc2dd3e95298afad59f7cad11659483dfd060987d3c37914ac |
| Manifest | 3a0571ebe7b41372eb4681ed85f6d4fc3ff2d58a54dd2982fceb0e31a101b9cc |
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 | x0qHlg9QiNuKqUMvHayAe6SLWQt/MfKHuKDw2sEx663szHYLDzyCAyZQdNMiSH+g6rEmTI+neVS1A/uT0C+JCQ== |
| 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
| 2026-09-17T11:58:50.463996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019443observed bfe70e93c93c68dc2dd3e95298afad59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:50.445097Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019443/manifest.jsonobserved 3a0571ebe7b41372eb4681ed85f6d4fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.424815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019443/publication.mdobserved be76d3eaf3215c8c4f26312be5fafbff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:50.407312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019443/publication.txtobserved 7b7133a5a3eda61e755ccadb1db7bac2...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. |
|---|