OT-2026-000052379
Publication integrity record
Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000052379) never changes.
Identity and time
| Publication number | OT-2026-000052379 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7640-afd5-d09af5329366 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052379 |
| Status | PUBLIC |
Content hashes
| Canonical text | a75fc4e1cdd66e651097c3f49d69d839af251f20b85bccf53bf9fa7b04a10793 |
|---|---|
| Markdown | fce22420530ac3eac518bab6079ffbd469ce2b4c0f289011990b40fd32494f47 |
| Publication page | 60acc157ffc31767ca315a0eb49762b4600fba5ef88df3ab6d99f5bba2377f79 |
| Manifest | 033b5944c76a278c0ed0b506895ffc23f69d4184b626c875e264a6d7ff534d37 |
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 | 7MVVQI1yNcp96Vk0RzWXygx8sz2H5W5YfNObcabc6G3YUMgUviCe//5aWSo7B8JPg/JpL2VO/G6BD0ds/JcWDg== |
| 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
| 2026-09-17T10:58:04.927103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052379observed 60acc157ffc31767ca315a0eb49762b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:04.908906Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052379/manifest.jsonobserved 033b5944c76a278c0ed0b506895ffc23...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.890276Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052379/publication.mdobserved fce22420530ac3eac518bab6079ffbd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.868821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052379/publication.txtobserved a75fc4e1cdd66e651097c3f49d69d839...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. |
|---|