OT-2026-000028923
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000028923) never changes.
Identity and time
| Publication number | OT-2026-000028923 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7878-b677-f9d0dca257a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028923 |
| Status | PUBLIC |
Content hashes
| Canonical text | aec508b813593b254e76c2b07b8bda2a25eabbb87ba063fa4fbb9509725327d2 |
|---|---|
| Markdown | dd37fbd95ab5aa7ddca3a4b6f19ef5762196eb30c3296cadd5fe8e137abffbb6 |
| Publication page | c2bb7503a0d83722d49f43741f08b6731d1ed35d71317418e719d3dc7b8e7b5a |
| Manifest | 2b5e252ad5b22502a00d3091d92444714a83d09065f21bd2827db3282a14a993 |
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 | jvz2FXuQ4Yp+dxY4UIy6kMk5guCJ25h/zktmhlx1kvbV1zM0anf20XIfB1VTVtEJyYByowwEv7vabeCoFmk8BQ== |
| 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
| 2026-09-17T08:20:20.979528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028923observed c2bb7503a0d83722d49f43741f08b673...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:20.959735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028923/manifest.jsonobserved 2b5e252ad5b22502a00d3091d9244471...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.939784Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028923/publication.mdobserved dd37fbd95ab5aa7ddca3a4b6f19ef576...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:20.818074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028923/publication.txtobserved aec508b813593b254e76c2b07b8bda2a...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. |
|---|