OT-2026-000028478
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single 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-2026-000028478) never changes.
Identity and time
| Publication number | OT-2026-000028478 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-77fd-bc98-d01fef9b08ff · 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-2026-000028478 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2777d63c34b99e81603313fc7fa1ebe8e62ee22a970de9a76a97e39ec08dff22 |
|---|---|
| Markdown | 58ba65dc62e5a71039276992d9136789ebeb110e4a3b8da842913c749713b208 |
| Publication page | 791f6efa922e98e6ceb7d8e3651d28772aa0e6ee342cb37d61c11192887b4050 |
| Manifest | 3373b1cc7d975d011166dec91c43483ef62cd98b52aea7e5957b7d98ad9ea57e |
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 | IqsKJ6GTE3/LRPN46/oKwLlJ+J6fyfPVGwsiUVEAmwMCCZe1eSUjOj9CfTOF+Inr2ZIi/x7OEXNcog4V/r1RAg== |
| 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
| 2026-09-17T11:40:37.526070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028478observed 791f6efa922e98e6ceb7d8e3651d2877...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.506983Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028478/manifest.jsonobserved 3373b1cc7d975d011166dec91c43483e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.485857Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028478/publication.mdobserved 58ba65dc62e5a71039276992d9136789...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.467719Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028478/publication.txtobserved 2777d63c34b99e81603313fc7fa1ebe8...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. |
|---|