OT-2026-000028671
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single 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-2026-000028671) never changes.
Identity and time
| Publication number | OT-2026-000028671 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-70d4-89b3-f3632e55d433 · 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-2026-000028671 |
| Status | PUBLIC |
Content hashes
| Canonical text | 502b39e724ada3804dfb0c561b9c1a73f26ee3c8bccd1deaa78686693a529d33 |
|---|---|
| Markdown | 7b82fed9698e4c4c04fee69b6c3ddf30103410405441e356056ec6c5d5cb5c7c |
| Publication page | 4b3449c39333bb05894039142ee2ac199e54bb6e07801f53ecba1ae55f50ac3c |
| Manifest | 716e21d3aa2f652aaba76d92eb3c2df9245dfd0d938dd35df19481790c627fdd |
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 | NH9+URz07ky2bm2kg3ueuZrnQ7ETd7VjZdjQVi1Rz6QcPm2rfUFglRsA6M+R6yxSnwl9mdL8ROXC6jjfyKI6Dw== |
| 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
| 2026-09-17T11:41:33.427253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028671observed 4b3449c39333bb05894039142ee2ac19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:33.407642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028671/manifest.jsonobserved 716e21d3aa2f652aaba76d92eb3c2df9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.389218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028671/publication.mdobserved 7b82fed9698e4c4c04fee69b6c3ddf30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:33.371468Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028671/publication.txtobserved 502b39e724ada3804dfb0c561b9c1a73...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. |
|---|