OT-2026-000028464
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000028464) never changes.
Identity and time
| Publication number | OT-2026-000028464 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f6-7b05-a28c-d6f6455e38b7 · 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-2026-000028464 |
| Status | PUBLIC |
Content hashes
| Canonical text | 61e117fa8dc06d58273005d3767af87fe4210b26c7971802c9261d1e645649de |
|---|---|
| Markdown | 2000316fa87594da607ed583e1dfcab34886f4df7f620e6addb7ae6e1328aa85 |
| Publication page | dc0d5d076f556533b8570a7dd4ad9bd9ecacb0b8f3bc0b7c91f0d854f4ecee10 |
| Manifest | c3cb3c1b1bd0c26024573b2289ec49f8f4d5389fb9384633c410d167d257b8b9 |
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 | T9qYtsTjKOJXz1gZbO94PZyfFerUIov5KWFDbXH0qHWBpHFFPSc5zmJHZDbR+v/tIoRtZdynrSKr6FQk8mBMCg== |
| 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
| 2026-09-17T11:40:36.380793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028464observed dc0d5d076f556533b8570a7dd4ad9bd9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:36.361755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028464/manifest.jsonobserved c3cb3c1b1bd0c26024573b2289ec49f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.343647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028464/publication.mdobserved 2000316fa87594da607ed583e1dfcab3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:36.324918Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028464/publication.txtobserved 61e117fa8dc06d58273005d3767af87f...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. |
|---|