OT-2026-000019880
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000019880) never changes.
Identity and time
| Publication number | OT-2026-000019880 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb6-7dba-b7c2-ddf45f5751e2 · 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-2026-000019880 |
| Status | PUBLIC |
Content hashes
| Canonical text | fe6760513c3ca573eb7b0e4bf3c07f9bee97ad05dbb487cde842f4a14b72a042 |
|---|---|
| Markdown | 9c80803415180c399a058f8cc1a2362f5e220dbea343a6868ac482aa01318fb8 |
| Publication page | 3433867bc18f2bc405a9e21e20b803fa1774425a78a4925978538ef8514e34e9 |
| Manifest | 56b877a3dcf3b7ec4807beffc37382164d8a5ee921de999900f2b6efd20c771f |
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 | bYKtKlxikekKBsTVDu64EEg2y/X2KDVd1G/Wi3K93BrkeIsbgZkXmCrB+dGh7XAP4i/yUofsjsZeDhUOur2xAA== |
| 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
| 2026-09-17T11:58:05.055985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019880observed 3433867bc18f2bc405a9e21e20b803fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:05.038325Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019880/manifest.jsonobserved 56b877a3dcf3b7ec4807beffc3738216...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.021951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019880/publication.mdobserved 9c80803415180c399a058f8cc1a2362f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:05.002757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019880/publication.txtobserved fe6760513c3ca573eb7b0e4bf3c07f9b...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. |
|---|