OT-2026-000031872
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000031872) never changes.
Identity and time
| Publication number | OT-2026-000031872 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7818-a7eb-be3abdf577b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031872 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60d528c3715dcfcc4e8472dabca48325d1b569d99ca7c86bffed2afbd374efea |
|---|---|
| Markdown | 6d454210722b3c8b72290aa58cef0fb011692109e785d3872ee7d9362d1d9a75 |
| Publication page | 4695d669de05993df38b884bfd55bdbedab00ce22c9fb835d79de48e58c26d99 |
| Manifest | b6cb6b5a70e6a0a820bee102d46fbcc61e787f214f78d04014c116cb87ade91a |
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 | TE8t9f9XchYrixc9aHuZZpu2Cpd6VNEtdomlfCwvHw9vztHI1WO7uKVFdRuARhT2m2NDULb/lOMvhFmt1GeDCg== |
| 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
| 2026-09-17T11:35:08.034332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031872observed 4695d669de05993df38b884bfd55bdbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:08.018048Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031872/manifest.jsonobserved b6cb6b5a70e6a0a820bee102d46fbcc6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.999588Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031872/publication.mdobserved 6d454210722b3c8b72290aa58cef0fb0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:07.980755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031872/publication.txtobserved 60d528c3715dcfcc4e8472dabca48325...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. |
|---|