OT-2026-000020057
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000020057) never changes.
Identity and time
| Publication number | OT-2026-000020057 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb8-7286-b51f-1f0bf1edec9e · 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-2026-000020057 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4264824a033aaf39a7f6f7107e44565e3fa5821a6ad2c4b459c9a716e723548a |
|---|---|
| Markdown | de3dfea4e34a251d71f161dde354ef266cd2424efcc91e73631708642abbfe76 |
| Publication page | 5f98bd6be31977a4caceb919e392d7c10ecad23fa3f11d8dd11d0b71df0f87df |
| Manifest | cbb3c81c7a0fbee880a57dbd78a3b17cfeb5170a22be484d026f5ce9bf31d44d |
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 | 2luDTefnVK2dAWvp5ais7k+anA9U/ZU4xXFnVyaPhV3xWxHqOwbwWo1Ww4WzwTx7in9ShmpkJ+7hA1y5rohEBQ== |
| 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
| 2026-09-17T11:58:19.602534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020057observed 5f98bd6be31977a4caceb919e392d7c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:19.585944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020057/manifest.jsonobserved cbb3c81c7a0fbee880a57dbd78a3b17c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.567364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020057/publication.mdobserved de3dfea4e34a251d71f161dde354ef26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:19.548829Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020057/publication.txtobserved 4264824a033aaf39a7f6f7107e44565e...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. |
|---|