OT-2026-000031921
Publication integrity record
Single cup vacuum gripper, two stage ejector, 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-2026-000031921) never changes.
Identity and time
| Publication number | OT-2026-000031921 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7315-92db-23b737ac03b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4d5be7e47af6d379582a286a6861242c9807c325a57ee722c52ec9cc07461783 |
|---|---|
| Markdown | 77655771428668dc41c201b0e04a0346489f53b91aceeb89e55d16cd87c19240 |
| Publication page | 9834cf6547d9e45d5685a6fd4bf61ebeade71747fca70a673e029f5b3d162a2d |
| Manifest | 8a24b389fcb988f0d694bb489075f119846febd4587ee931f092fceda628b320 |
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 | 1Dc7V+k8wgUIc8GW/r+zoo622xsqMdjaG2NY4MEIph3ZMM+M7U2vF6aD15LFCxT5bCq+e6EXZRst8D+qTh4UCA== |
| 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
| 2026-09-17T11:35:11.832481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031921observed 9834cf6547d9e45d5685a6fd4bf61ebe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:11.811836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031921/manifest.jsonobserved 8a24b389fcb988f0d694bb489075f119...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.790472Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031921/publication.mdobserved 77655771428668dc41c201b0e04a0346...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:11.765589Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031921/publication.txtobserved 4d5be7e47af6d379582a286a6861242c...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. |
|---|