OT-2026-000030897
Publication integrity record
Single cup vacuum gripper, pump 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-2026-000030897) never changes.
Identity and time
| Publication number | OT-2026-000030897 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-7b45-98cf-9656c58a3d97 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030897 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2812e187c92d212ce35aac8eacc6cad3520b49d03090cc6239c8ff9fc19bf445 |
|---|---|
| Markdown | 07b4e8cb34d9bbc3693c16b568dd6198299bb17f8e0fa75b4b65741c823315de |
| Publication page | c42df70c2a5072280bfb5bdc260302c66e621bb50aa02fda395ce26bc07723fd |
| Manifest | 822200774f393a010f12721d73dbc4ea6e26ab2320f4a62819a6ba676b6f3c49 |
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 | eYCOOfXBcofGap1dBroq5BeNNlK2DN/QV339mm589Lm25QqU5rYs2Ztf0SNI28aKnH1tidCVN2TBLwLqb0rDCA== |
| 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
| 2026-09-17T11:36:52.946706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030897observed c42df70c2a5072280bfb5bdc260302c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:52.928399Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030897/manifest.jsonobserved 822200774f393a010f12721d73dbc4ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.910160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030897/publication.mdobserved 07b4e8cb34d9bbc3693c16b568dd6198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:52.892184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030897/publication.txtobserved 2812e187c92d212ce35aac8eacc6cad3...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. |
|---|