OT-2026-000029912
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000029912) never changes.
Identity and time
| Publication number | OT-2026-000029912 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-711c-b74b-46d597c2ab45 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029912 |
| Status | PUBLIC |
Content hashes
| Canonical text | b8cd0e5c8f949efecde455f5af34751cc35c066268b0c646a0657ada7e61bbcd |
|---|---|
| Markdown | c9cf25bdd776fd8e300f9da399f1876503dc59684b7c0eb5b870e45ce7bd9952 |
| Publication page | 7b9f0f735a8dde276932d33e9f15026859952afb063e1f134d1d8eb5edb0126a |
| Manifest | bebc1ac8ea8cd683324a290f1448a14b72e8b72ce1481c0453f24c98b438fce9 |
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 | rOxYAuoewaBbA23SQLNvJ7Gkrmk/9xHiGqMEwlQFPW6omh0FaSoNF/U5pGHfMsFtCAAW1oQ6KTlN4I9szxgjAQ== |
| 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
| 2026-09-17T11:38:36.987879Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029912observed 7b9f0f735a8dde276932d33e9f150268...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:36.970223Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029912/manifest.jsonobserved bebc1ac8ea8cd683324a290f1448a14b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:36.949839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029912/publication.mdobserved c9cf25bdd776fd8e300f9da399f18765...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:36.932188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029912/publication.txtobserved b8cd0e5c8f949efecde455f5af34751c...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. |
|---|