OT-2026-000028380
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000028380) never changes.
Identity and time
| Publication number | OT-2026-000028380 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7463-a9ca-ae386c89fd4e · 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-2026-000028380 |
| Status | PUBLIC |
Content hashes
| Canonical text | e8aa100941478778438b457fb7b0ed1ae4565382aa277c7410ec96ad03c28bd3 |
|---|---|
| Markdown | ae5be215a88f5904cf64fd0f7dbc69806c81a64670b9dcab629c89baff7f6e72 |
| Publication page | cf5576dcc33401df7c332f64b5dff3ba392f04e808a9b34722ae25b1a3c2e3de |
| Manifest | 687bff094c11c42d1d0b6a9ac1f4a952738a550dc36b31cba29147357797d8fe |
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 | SeMapHQYtoeKf7E3Np6I/FsFj7I30a4n8R3nSGKpoV3gdjDFUwCz8fZu3dAdmsdV9aaNVjgWXQjDVY29+IsiCw== |
| 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
| 2026-09-17T11:40:23.707965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028380observed cf5576dcc33401df7c332f64b5dff3ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:23.690381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028380/manifest.jsonobserved 687bff094c11c42d1d0b6a9ac1f4a952...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.670739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028380/publication.mdobserved ae5be215a88f5904cf64fd0f7dbc6980...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:23.653993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028380/publication.txtobserved e8aa100941478778438b457fb7b0ed1a...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. |
|---|