OT-2026-000020286
Publication integrity record
Three pad foam vacuum gripper, three 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-2026-000020286) never changes.
Identity and time
| Publication number | OT-2026-000020286 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-70d8-ac57-d82f5bf6e424 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020286 |
| Status | PUBLIC |
Content hashes
| Canonical text | e2735b0d5f6e2812b0c028bbb86ef3df540134c0ea05138b641647d14384a65f |
|---|---|
| Markdown | 5291c323b7c19ef1e5ae09efe06f78471b94748d65e49bf33a6bb10442d6cd29 |
| Publication page | 8281d7d60ac9fa75e4973ba3c5c6329488294f4561d658d59c8493cad4a97a65 |
| Manifest | fa1b9b97a0ca387c09984c5d6286ca495b8fc5724a5f0e7062f1cb443fb33084 |
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 | ZrM1DCA1ZvEe3BZKvSV4vEOekt4pBgjUF4GpgRWsKBXrhTcOIWk5HRloJxCOAZkfJdZYZHxtZNy5LWMCzcLRAQ== |
| 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
| 2026-09-17T11:56:38.518738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020286observed 8281d7d60ac9fa75e4973ba3c5c63294...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:38.501876Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020286/manifest.jsonobserved fa1b9b97a0ca387c09984c5d6286ca49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.482394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020286/publication.mdobserved 5291c323b7c19ef1e5ae09efe06f7847...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:38.463971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020286/publication.txtobserved e2735b0d5f6e2812b0c028bbb86ef3df...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. |
|---|