OT-2026-000028568
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down
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-2026-000028568) never changes.
Identity and time
| Publication number | OT-2026-000028568 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7e28-a78c-e6b1d1976cbd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028568 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9fc43efec0c1b97fcbb2b9867da0d27ea4984d8392b9394a62489896430ff5ec |
|---|---|
| Markdown | b5ef022a2794d29fb7097d77a30f4fad84db4ecd3d75789201028552d94de728 |
| Publication page | acd758ec2cd143d1efaabb81f39bfde9ca715939df3c47ee37ca9dd3ae99fad7 |
| Manifest | d53ce5981d8f4110987e425c50a49c9da1c0ea9484397e017ec417a74eec8023 |
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 | +AXGpXtz5BbSh6zCG99xrVERlWiBEGCb3En+SwC4o2l+WjEIYHGaXFz3+qWQgrLpcxsDh5h11klas2E/g1fkAA== |
| 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
| 2026-09-17T11:40:51.334444Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028568observed acd758ec2cd143d1efaabb81f39bfde9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:51.317369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028568/manifest.jsonobserved d53ce5981d8f4110987e425c50a49c9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.300144Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028568/publication.mdobserved b5ef022a2794d29fb7097d77a30f4fad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.281443Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028568/publication.txtobserved 9fc43efec0c1b97fcbb2b9867da0d27e...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. |
|---|