OT-2026-000052939
Publication integrity record
Two bellows cup vacuum gripper, two zone face, 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-2026-000052939) never changes.
Identity and time
| Publication number | OT-2026-000052939 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7a93-948f-64baaabe688e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052939 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3946cac1c64efab72ac29e39e50fd660206d16ccc25445c40c949dd5dc29b26 |
|---|---|
| Markdown | 1b8d03d94c3b1c706f5c8fd389b15d3dacaa853ba89b73e77826e13bcb17f740 |
| Publication page | a25c2ddc26bf0ef50b133c5deae0db5b48a0821f1d6e5d2a0f3bcaa38c16921c |
| Manifest | 5993b36883e3e3759a948aeffa3e1da1f66174ec928cb1a1e5ca3f201acd6470 |
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 | zmAF0sWaYLfkeWIi3uv3vjzrBjz6oHVNs0ldSTR+FzmFbxo869y1uRPuadmcZYk3/04rDE8g6HlAAfKVJBX3BA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:37.006647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052939observed a25c2ddc26bf0ef50b133c5deae0db5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:36.987285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052939/manifest.jsonobserved 5993b36883e3e3759a948aeffa3e1da1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:36.969498Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052939/publication.mdobserved 1b8d03d94c3b1c706f5c8fd389b15d3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:36.949954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052939/publication.txtobserved f3946cac1c64efab72ac29e39e50fd66...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. |
|---|