OT-2026-000019250
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000019250) never changes.
Identity and time
| Publication number | OT-2026-000019250 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7fdb-975e-66e92abe1e84 · 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-2026-000019250 |
| Status | PUBLIC |
Content hashes
| Canonical text | 844bd23892a3d413ab390759ad2299fa83a825c9cbd50d71fc36df985c12dba8 |
|---|---|
| Markdown | 13f4a83fd523c35609885ca63ab234ccf57cbbfa0f6af236745ea8fe768f0f5a |
| Publication page | c129a03d6e964c58878a48d3ad1eaef7c40c211425cb3ec4c814501cef17fcd4 |
| Manifest | 0c8413797e5d3a986ed47bf0897dbdd09542c746dbb978a69b651ab564f59644 |
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 | KywYClFrBj+a+H4HbK0fE7cRR08LE2MVetLcWGrVX5qm9gdQGhLL/Ai0F87ihlYJIReFQ0NqnK7hdmflVLguBw== |
| 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
| 2026-09-17T11:58:35.354631Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019250observed c129a03d6e964c58878a48d3ad1eaef7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:35.337142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019250/manifest.jsonobserved 0c8413797e5d3a986ed47bf0897dbdd0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:35.319761Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019250/publication.mdobserved 13f4a83fd523c35609885ca63ab234cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:35.302309Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019250/publication.txtobserved 844bd23892a3d413ab390759ad2299fa...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. |
|---|