OT-2026-000018677
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000018677) never changes.
Identity and time
| Publication number | OT-2026-000018677 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-d520-7d58-848a-3d309edd4558 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:54.261386Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018677 |
| Status | PUBLIC |
Content hashes
| Canonical text | 753b36b37da914f8779508fc8aa940f393fa15dcea96e2fed619a6cd5a6d1e07 |
|---|---|
| Markdown | f5b404332704c90a9cd6b00efae4ba48273311465832a59ea5cb2587f6725407 |
| Publication page | 456b859d741f814d8c6370860e447c22e35de611a4ebd7a21c9af2d199ec5f0c |
| Manifest | c44a36155459f6bb3a80304ccdf1b35c1b0a3a05d48bb1790b2316ea9d47ac88 |
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 | 81CBnNtVe3rBjGhmFjAfDbdCj+pnQR4XjHaed+fa2lMQcfUDYFteWmahaY4q7vUfUZGVehYHs0mU9sCTNRooAQ== |
| 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
| 2026-09-17T11:59:16.371959Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018677observed 456b859d741f814d8c6370860e447c22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:16.354994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018677/manifest.jsonobserved c44a36155459f6bb3a80304ccdf1b35c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:16.335970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018677/publication.mdobserved f5b404332704c90a9cd6b00efae4ba48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:16.317869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018677/publication.txtobserved 753b36b37da914f8779508fc8aa940f3...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. |
|---|