OT-2026-000020613
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single 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-2026-000020613) never changes.
Identity and time
| Publication number | OT-2026-000020613 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e1-787c-8c7c-d1d32f9c87e7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020613 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2f6605a7cab169a65fdd73966efdbfd272cc195c7dc0f637e025b84126e27f1 |
|---|---|
| Markdown | 56c4d8653cbf4cef2c2f58eeb15c68cdde028a79e2d0037285a95be054f4a48a |
| Publication page | 973e9df4592d696a5e8ef7f11c2b988c1e8b2ac37baf796d21800eaeb5b11566 |
| Manifest | ece9f75ebbfb26afd7a43399c27b2b884b1718a205e9b212104541234d0ce20e |
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 | Z7ilQ4ji+SMJ+RnnKSzTW6Vj5E/rzseaT7PPDJdllJ4CoE/S2n+D6Pd5n5QzXRCCigrEvs13t04dsgOLx/EwCA== |
| 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
| 2026-09-17T11:55:33.470771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020613observed 973e9df4592d696a5e8ef7f11c2b988c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:33.452881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020613/manifest.jsonobserved ece9f75ebbfb26afd7a43399c27b2b88...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:33.434766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020613/publication.mdobserved 56c4d8653cbf4cef2c2f58eeb15c68cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:33.414805Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020613/publication.txtobserved a2f6605a7cab169a65fdd73966efdbfd...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. |
|---|