OT-2026-000042757
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained 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-2026-000042757) never changes.
Identity and time
| Publication number | OT-2026-000042757 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cf-703b-99ba-0a6029b01b61 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042757 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1fb83b0ead87a8f1697710e881b4be4105bb54fd293a12ef9bbe3da5c6dd9d20 |
|---|---|
| Markdown | b818b6625b9fe72651f71b5ddc47e9c08196e5b7bf644c3d490b9f59fede8c9b |
| Publication page | 85cd2a4a3fcfca2608620499b6aca405accb4ef775f330ed72867e87d86424fe |
| Manifest | 51c4b657978b5209e2b7d6b6b6644a08a7aa82e9ba8445abea1a19f505c957d0 |
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 | bFrzg7FhFaG8dVZ1p/QycOSFXY5mRZOtTKYa4sFk9Tnh34h/Ip9FYWfSLNPsp3vHOjVo1YGjKu88Tl1PsklIBA== |
| 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
| 2026-09-17T11:15:12.656462Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042757observed 85cd2a4a3fcfca2608620499b6aca405...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:12.637015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042757/manifest.jsonobserved 51c4b657978b5209e2b7d6b6b6644a08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.617579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042757/publication.mdobserved b818b6625b9fe72651f71b5ddc47e9c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:12.594729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042757/publication.txtobserved 1fb83b0ead87a8f1697710e881b4be41...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. |
|---|