OT-2026-000028345
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000028345) never changes.
Identity and time
| Publication number | OT-2026-000028345 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7d3a-a550-8cd5508cc73a · 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-2026-000028345 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7af72d7fcc67e49ba58c99483edcfb8ca6d22d199602c21980e24315c2c29e9e |
|---|---|
| Markdown | 12a58fccea0af52c0537e463c96b1c9c08513f60d2281055132ff5583ab6f674 |
| Publication page | c83ef430efc89191487b93ea88a6855a73048d956e47e6205269f397a44d0a78 |
| Manifest | 607d580ab433b5171a3f3f3a5df97f7eb805e3a7f71487a3b9edaf526edf889c |
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 | enRhRajiv6fMZ5/OSs/zt8IDCIe/OCpka8xcrXHsYd9fxrOAFDUfowSFLODHWjzGl6LXsiIj/p63ZUVx2wQmDA== |
| 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
| 2026-09-17T11:40:21.235516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028345observed c83ef430efc89191487b93ea88a6855a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:21.210415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028345/manifest.jsonobserved 607d580ab433b5171a3f3f3a5df97f7e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.189647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028345/publication.mdobserved 12a58fccea0af52c0537e463c96b1c9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.169723Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028345/publication.txtobserved 7af72d7fcc67e49ba58c99483edcfb8c...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. |
|---|