OT-2026-000019943
Publication integrity record
Foam pad vacuum gripper, four zone face, 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-2026-000019943) never changes.
Identity and time
| Publication number | OT-2026-000019943 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-787a-b42a-7e00e4f3e05f · 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-2026-000019943 |
| Status | PUBLIC |
Content hashes
| Canonical text | 69d85cd4c69d4431c30a166c935000099edb028ca93ae86b6f7cfce377d41dbf |
|---|---|
| Markdown | 2d1b31b7a8b84dbf6e8ebe399b666c6100b7fcf19027b0edd7460599671de201 |
| Publication page | 7f9ff5197d5ea1ec3aa03fbcab28ca78b1b0923158d63d18e5740a8eb7d10824 |
| Manifest | 56e60246f98b786c5c25c24423c1766634ef9561bcc8dbc5d6b512b21504814f |
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 | jED6BS45a769yHXsJQJGhkPQOaPN9y7lhZjZFOjThWAs9S8QfLxfszdwv/Xfb22jsaPdPJVyT82cYm2yWwpsCw== |
| 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
| 2026-09-17T11:58:10.171721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019943observed 7f9ff5197d5ea1ec3aa03fbcab28ca78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:10.151223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019943/manifest.jsonobserved 56e60246f98b786c5c25c24423c17666...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:10.134832Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019943/publication.mdobserved 2d1b31b7a8b84dbf6e8ebe399b666c61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:10.114009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019943/publication.txtobserved 69d85cd4c69d4431c30a166c93500009...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. |
|---|