OT-2026-000031106
Publication integrity record
Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000031106) never changes.
Identity and time
| Publication number | OT-2026-000031106 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87aa-70bd-9f25-64bbb3adf64f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031106 |
| Status | PUBLIC |
Content hashes
| Canonical text | 20bd6948b4d3cae237b7655f1c0aef60606cd56d7bc7dfc6293e43d7908c1cdf |
|---|---|
| Markdown | c11c202a344eb3a8f986e1a6df6780b7d1b73cd633ebd2e62beb97e39991fdc0 |
| Publication page | 95c16dfcc0ac7f024cb7f316b79f42b7064adaafa57ec11e59294cb534da227e |
| Manifest | da219ef6d33c3ffc5859e8e91f3e7fbb99820fd7e980c188422f9a2b89798549 |
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 | jpUZuAF76rZ0V2X7HiURRWM6SP57ldvi2iSKHRAr5OjSBoOlAmWs0MYjQqTD0JkJh5tyNea6oy42OFguLIzJBw== |
| 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
| 2026-09-17T11:35:32.174748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031106observed 95c16dfcc0ac7f024cb7f316b79f42b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:32.156018Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031106/manifest.jsonobserved da219ef6d33c3ffc5859e8e91f3e7fbb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:32.138390Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031106/publication.mdobserved c11c202a344eb3a8f986e1a6df6780b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:32.119083Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031106/publication.txtobserved 20bd6948b4d3cae237b7655f1c0aef60...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. |
|---|