OT-2026-000052407
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000052407) never changes.
Identity and time
| Publication number | OT-2026-000052407 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-73fb-ac92-a9d2db0fea35 · 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-2026-000052407 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57a8aa3c302656597b91b4356c7fc0656f9556feb65716b04e0542f4847e457e |
|---|---|
| Markdown | 457956cb29495ede79168c70e325cdeaa4dcaa0cc2a726654dd26d0fbc5879b8 |
| Publication page | 80373dc50b06d326e757b5f8925f14cfae6105e94348891abfacd55a546e48c1 |
| Manifest | 05e6e3649fb19889c745a007aa1faab5135e860c08df46e7fd0535dd4ba56018 |
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 | CmHxY1VvgsYJ8F/9260o9mvKv1iTzbmVG6DZX7DZ21oQzTjpxwDqSm135N0jeItAlHeV634GH5+vCySBGTNVCg== |
| 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
| 2026-09-17T10:58:07.005327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052407observed 80373dc50b06d326e757b5f8925f14cf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:06.987085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052407/manifest.jsonobserved 05e6e3649fb19889c745a007aa1faab5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.970287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052407/publication.mdobserved 457956cb29495ede79168c70e325cdea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:06.951367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052407/publication.txtobserved 57a8aa3c302656597b91b4356c7fc065...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. |
|---|