OT-2026-000020089
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000020089) never changes.
Identity and time
| Publication number | OT-2026-000020089 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7f1f-b998-53a235a0c65e · 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-2026-000020089 |
| Status | PUBLIC |
Content hashes
| Canonical text | 34ff6143dbd4402543cf588c5a83a794d7149c50f400bc737ba8f16864c0d7db |
|---|---|
| Markdown | d3755f92586b5dbf33a2705805fdc8bcf3cb6ee7bb1eb19a966526e535dc01a0 |
| Publication page | 3175dbcdc462a6cc42d9037acafc0e09eb4deff43de7b87060bb621f9aa5feda |
| Manifest | fe0cc0609d55e8f7d78bf4a225f357d868f021f02379cb183fb54625f520519a |
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 | FgaWuY/8HfqCWNZpzAMvHkvD+7d19I314iyIf8jdOaV7vqEI7lyPGJOSvE4IO2j7qFQZIriChjCSoZqJfzxEAg== |
| 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
| 2026-09-17T11:58:21.795124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020089observed 3175dbcdc462a6cc42d9037acafc0e09...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:21.778374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020089/manifest.jsonobserved fe0cc0609d55e8f7d78bf4a225f357d8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.762165Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020089/publication.mdobserved d3755f92586b5dbf33a2705805fdc8bc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:21.743782Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020089/publication.txtobserved 34ff6143dbd4402543cf588c5a83a794...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. |
|---|