OT-2026-000042740
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042740) never changes.
Identity and time
| Publication number | OT-2026-000042740 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0cf-7e56-8221-449b030358b3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042740 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc4aec09f73c44bf71c1742d7d6b42e1cd4250be727428dd1ad68cc8608648a4 |
|---|---|
| Markdown | f4102900a15aa1cc5ce72c3c6deb50f22109ef50c6bff182d5e5238eaebecdec |
| Publication page | 5223c259ccaf5ee2a67d3d6f0f8dfe15799cee34821eb509fcb7dbb1433d3679 |
| Manifest | 8f410f5ac52ccb922814ea1940ba6856891d2d520eed3d57522bbd573e03b005 |
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 | KcIKxXox2qZ/UCKyOXQ7KoNGHylSlFJugD428UQl/I+6qKuDG8n9DL8CmvSoeDtLP/2tLY8vpAZjVGtlUip/Bg== |
| 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
| 2026-09-17T11:15:11.165402Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042740observed 5223c259ccaf5ee2a67d3d6f0f8dfe15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:11.145894Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042740/manifest.jsonobserved 8f410f5ac52ccb922814ea1940ba6856...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:11.124830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042740/publication.mdobserved f4102900a15aa1cc5ce72c3c6deb50f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:11.105459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042740/publication.txtobserved cc4aec09f73c44bf71c1742d7d6b42e1...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. |
|---|