OT-2026-000020047
Publication integrity record
Four cup vacuum gripper, four zone face, two 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-2026-000020047) never changes.
Identity and time
| Publication number | OT-2026-000020047 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-764b-bfc3-cb64582d7096 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020047 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2359c0be958706ecad0a88f9725420c0e8e43297548c43650176bfd2a8be052d |
|---|---|
| Markdown | 92ef41f197594d282a03e37e8a95d7503c28d637b3535f5e8725fdcebda40578 |
| Publication page | e3f93479280cc7492f588e4d7fff1e3abc0cd594b05bcd3349b38cc32e75efea |
| Manifest | 43f96d5d8c28dfe5e5b5af6529dd960f005019b1ff058474a6a41668797b0e9a |
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 | UKfbM1wvg1MDhQH/EI2vnlV4Nei5UI69wD0A+JfQ+BlIsQeDV1W8pGbTe41KYVHlVkKEK+vrRoXl5XQDlUCkCA== |
| 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
| 2026-09-17T11:58:18.526955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020047observed e3f93479280cc7492f588e4d7fff1e3a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:18.501891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020047/manifest.jsonobserved 43f96d5d8c28dfe5e5b5af6529dd960f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.482983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020047/publication.mdobserved 92ef41f197594d282a03e37e8a95d750...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:18.464330Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020047/publication.txtobserved 2359c0be958706ecad0a88f9725420c0...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. |
|---|