OT-2026-000030901
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-2026-000030901) never changes.
Identity and time
| Publication number | OT-2026-000030901 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb6-7cf1-ad16-96e23727a2ec · 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-2026-000030901 |
| Status | PUBLIC |
Content hashes
| Canonical text | caa54fd28a8ee35203ed733dbe002c4ab73b014fd5c4aa8b35539a9687d413ba |
|---|---|
| Markdown | 085b7e9c114ad9a56e7320ea2e9c3e952657889150f141ec2297b2408d630de5 |
| Publication page | d36ae45f863137081e4805e51b1ef4544143557e406a5be444c2d9794bd24f4f |
| Manifest | 62455ac23a61999e96e8a08a84a060f870d96d65c3f9fb6d02db6ce6504be14e |
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 | HTSapCNqGsGSuSVAsG9RDb1UatI6txymRunRqGFZSN617OS43kAc//iCWVZsrvTSobAe3XmPi37FewJ3sZwlAA== |
| 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
| 2026-09-17T11:36:53.264072Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030901observed d36ae45f863137081e4805e51b1ef454...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:53.246040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030901/manifest.jsonobserved 62455ac23a61999e96e8a08a84a060f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:53.230112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030901/publication.mdobserved 085b7e9c114ad9a56e7320ea2e9c3e95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:53.211540Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030901/publication.txtobserved caa54fd28a8ee35203ed733dbe002c4a...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. |
|---|