OT-2026-000021978
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, two stage ejector, sustained 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-2026-000021978) never changes.
Identity and time
| Publication number | OT-2026-000021978 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-719a-9561-25337ca2a55c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021978 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d0d6733c24f3f06de096ab30bf020b4a7c717ed999e1613644ecb8ca0446633 |
|---|---|
| Markdown | 84bafb76dedcba31a8feede6480083551024b52634b93003f31c6cb1a565060a |
| Publication page | cd69b1526e78a9e6a90382cc8f989ae57b7bd8cca35e23a4c188b62a8872b1c0 |
| Manifest | 6093f7c71fc231d161a31dae15bbe7ec0eddb66772857142e088d9e9ea07cc8a |
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 | pFCqlVkeCU9P+Du7xrta/I6O48DXL9aSlAbmUrsUBJ/op4OB7XquM0dxIjg+ZhdVsTzMv93vuUrytZ3qi6djCg== |
| 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
| 2026-09-17T11:54:39.054364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021978observed cd69b1526e78a9e6a90382cc8f989ae5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.035691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021978/manifest.jsonobserved 6093f7c71fc231d161a31dae15bbe7ec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.018001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021978/publication.mdobserved 84bafb76dedcba31a8feede648008355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.999508Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021978/publication.txtobserved 2d0d6733c24f3f06de096ab30bf020b4...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. |
|---|