OT-2026-000019391
Publication integrity record
Two cup vacuum gripper, two zone face, plant vacuum 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-2026-000019391) never changes.
Identity and time
| Publication number | OT-2026-000019391 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-776f-a3b2-724079ba670c · 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-2026-000019391 |
| Status | PUBLIC |
Content hashes
| Canonical text | 67121a541e6f07938daf3109569982aa0dc14d65c1d3a169f1df74ba525c89ab |
|---|---|
| Markdown | 5ed4f69102027cfa68103bb44501fc16411e7e72a9670e3ff942368c35307d19 |
| Publication page | 690b306a35fb8f8a3903509f90a6463aed5ce927fca2beb27b1d0249ec324bfa |
| Manifest | c65b094b72de08e2ff04540937fd9dd39869df9069f72af340bc45a6ea13317e |
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 | QCxu8XJD/QUtb6AE0EeY5Pa7zWLcPmXlA+IY+ABznOBR1E4+ReO75jatBvcJjvLBk5Wa6uaSD+mtrPepRxvfDQ== |
| 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
| 2026-09-17T11:58:46.531122Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019391observed 690b306a35fb8f8a3903509f90a6463a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:46.513629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019391/manifest.jsonobserved c65b094b72de08e2ff04540937fd9dd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:46.495224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019391/publication.mdobserved 5ed4f69102027cfa68103bb44501fc16...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:46.477234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019391/publication.txtobserved 67121a541e6f07938daf3109569982aa...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. |
|---|