OT-2026-000019220
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000019220) never changes.
Identity and time
| Publication number | OT-2026-000019220 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-70b0-81fc-0cac67050eeb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b72c64e4a67cf835060de252045d0786123a388be9cc7a3b9bb6f3d53b843f1 |
|---|---|
| Markdown | ae17d36dbe4499319979965692790f2811bb9a4a3c6532e8e7ffddcb13be9784 |
| Publication page | 50c334ec26109f81fd3e12bf2abe44c003212921337cef7b589f252b25a0ead8 |
| Manifest | e1495884bbf642b8f240bbd2f285f7ab5f7b9b82d67db23f8c27b2436fbaaed9 |
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 | BUO5Sa89YNbSzvUUFy4u7wV+J0v4yCLxbV9U+h41h2fu7MtriiVXneIUhifhBfCtzauNfiZ1OZms4IytX5c0Bg== |
| 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
| 2026-09-17T11:58:32.668774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019220observed 50c334ec26109f81fd3e12bf2abe44c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:32.650132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019220/manifest.jsonobserved e1495884bbf642b8f240bbd2f285f7ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:32.630699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019220/publication.mdobserved ae17d36dbe4499319979965692790f28...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:32.611564Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019220/publication.txtobserved 8b72c64e4a67cf835060de252045d078...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. |
|---|