OT-2026-000019756
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000019756) never changes.
Identity and time
| Publication number | OT-2026-000019756 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb4-72fb-9783-4bce104d358f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019756 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3fa3d3894298e5a3cfd1b699778005da75af8e953a36ab42da74c1dbe3ffc89c |
|---|---|
| Markdown | 369e2cc4f8a25cc6bcb3065ccf5b81dc2d12ede0932b6bbdd78f47e549e1d544 |
| Publication page | 4f14eeef02342fc93326e266eac9f4d3f3b145108809e36e0b2950d8e14a726b |
| Manifest | f4620247f2bd43390e546b234fd46bb11e9a5ce93e86158679ce38f753e900e6 |
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 | niI1kStOY+kguNo6Hw2EZ8e+ErzYMfBgdHu+8D8rsOjH2K4VLemrkmFYXltEor2dv3Igdres5hXWKgiZzzKlCw== |
| 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
| 2026-09-17T12:42:34.761303Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756observed 4f14eeef02342fc93326e266eac9f4d3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:42:34.602010Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/manifest.jsonobserved f4620247f2bd43390e546b234fd46bb1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:34.459196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/publication.mdobserved 369e2cc4f8a25cc6bcb3065ccf5b81dc...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:42:34.270405Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/publication.txtobserved 3fa3d3894298e5a3cfd1b699778005da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.252469Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756observed 4f14eeef02342fc93326e266eac9f4d3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.231611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/manifest.jsonobserved f4620247f2bd43390e546b234fd46bb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.210212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/publication.mdobserved 369e2cc4f8a25cc6bcb3065ccf5b81dc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:51.190281Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019756/publication.txtobserved 3fa3d3894298e5a3cfd1b699778005da...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. |
|---|