OT-2026-000028353
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-2026-000028353) never changes.
Identity and time
| Publication number | OT-2026-000028353 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-715e-9f6e-6d05ef0edef4 · 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-2026-000028353 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12653c8c0c1a5d907b85de5d92ddb9831594dbe564512730df641b55e5e86990 |
|---|---|
| Markdown | 2702f62d89030b3ccf00189a26240ac5de0c8cb3a9d7acf72fa3b6a8bdf2ccbb |
| Publication page | 027962574b14558b09778a81f8d03a594581ccb6c0d06bd61ef4b0865abe7ea1 |
| Manifest | 23d04cb8356ce6abda2415cb615596c7467bdcb1a405bd16d64905912d3f21da |
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 | 3UwZkywdciwMsf6goOGw3+TvOAU63lf6366PD6DXFT8yWz9iSpwMwvV9fGSyQURGD8BKJ0DBjeg5vZjx5h0ICg== |
| 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
| 2026-09-17T11:40:21.814679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028353observed 027962574b14558b09778a81f8d03a59...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:21.794815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028353/manifest.jsonobserved 23d04cb8356ce6abda2415cb615596c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.775666Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028353/publication.mdobserved 2702f62d89030b3ccf00189a26240ac5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:21.756946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028353/publication.txtobserved 12653c8c0c1a5d907b85de5d92ddb983...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. |
|---|