OT-2026-000052947
Publication integrity record
Foam pad 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-2026-000052947) never changes.
Identity and time
| Publication number | OT-2026-000052947 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7206-b124-efabbdcd3abf · 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-2026-000052947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b1146ca352ef84e3c86ba6319712ae83f76301e0eb480b2e69a7617cddf7592 |
|---|---|
| Markdown | 914a9aaee3e163d71e86ec5bed56b59792b152ada22f8b6637aa33e513f53463 |
| Publication page | 691f4a8456a3127715c576a73963c3fdec7523f63182b95d94f2707b86b891db |
| Manifest | c6dada61c5b9280e5886b843b13cb42dba9722cec4bec678a032ea8f790e6141 |
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 | 8He3/paCEGVUSfv4wo2e3heQH/Ea7ecJy3CHZTHaKTlzayZXlFWdYEV20atJpuoFCJaIU/3HRNPj6Tr5kVT2Dw== |
| 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
| 2026-09-17T10:56:37.725965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052947observed 691f4a8456a3127715c576a73963c3fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:37.709965Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052947/manifest.jsonobserved c6dada61c5b9280e5886b843b13cb42d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.693434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052947/publication.mdobserved 914a9aaee3e163d71e86ec5bed56b597...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:37.676597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052947/publication.txtobserved 9b1146ca352ef84e3c86ba6319712ae8...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. |
|---|