OT-2026-000020391
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, 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-2026-000020391) never changes.
Identity and time
| Publication number | OT-2026-000020391 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-765a-ac26-95009d4c4502 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020391 |
| Status | PUBLIC |
Content hashes
| Canonical text | 47b558f2739bac0c2d64120437265f894459db379fd11cc841a6555da282c10f |
|---|---|
| Markdown | 2146a8eabfccd938fc6c13e4158b82db3f86f6b9796a3995cbd84ec6fa704483 |
| Publication page | af0c92a0bf9fdf3fe284156eb157baf7a3dcc67be7598d0905a9e830fa33956f |
| Manifest | f84b67cf6034dd372b7582d7b02f10bc62bc0da5f66dc4dfcd47ff598c8b5972 |
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 | TL2QuYhhS2QbPuTti6bR8fDPXDhlUikosFTa5Jc3OwBwa5zG8Ueantthm+dGODG0LFHXfcF35EJy/H/KK1Y3Ag== |
| 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
| 2026-09-17T12:00:17.031263Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391observed af0c92a0bf9fdf3fe284156eb157baf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:17.013271Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/manifest.jsonobserved f84b67cf6034dd372b7582d7b02f10bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:16.990917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/publication.mdobserved 2146a8eabfccd938fc6c13e4158b82db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:16.970826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/publication.txtobserved 47b558f2739bac0c2d64120437265f89...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:21.875294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391observed af0c92a0bf9fdf3fe284156eb157baf7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:21.854965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/manifest.jsonobserved f84b67cf6034dd372b7582d7b02f10bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:21.837629Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/publication.mdobserved 2146a8eabfccd938fc6c13e4158b82db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:21.816371Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020391/publication.txtobserved 47b558f2739bac0c2d64120437265f89...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. |
|---|