OT-2026-000034864
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000034864) never changes.
Identity and time
| Publication number | OT-2026-000034864 · never reused |
|---|---|
| Internal UUID | 01a0ae76-1ed3-7e4d-b6ce-3788d8046e4e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:22:51.876169Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000034864 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf54b78e72a3a6f6cd85c22b08573f31f45b8591eda302279e7c695814c881cf |
|---|---|
| Markdown | e5240fe35e3af2cfb80f574257eb9244432ca368f6a6352931dc2fa9e6b44657 |
| Publication page | c91e09917e118f9f0343a513ed8c620b9d3511c3c30f5313381815c4fb4b301a |
| Manifest | fad8128418096ad2542fe76112a0f4c5d5342cd49eb8cd1f9bd4dd2b9296e578 |
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 | lBTTuYQIi1b7XqqvakKB+3APMLrilBcgXCqJW3jqWYpf+73rDptYxbs7Mv54TIGVzG6pj7HJWJ//1+GduGrzDQ== |
| 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
| 2026-10-29T12:41:31.531654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864observed c91e09917e118f9f0343a513ed8c620b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-29T12:41:31.483253Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/manifest.jsonobserved fad8128418096ad2542fe76112a0f4c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:31.430481Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/publication.mdobserved e5240fe35e3af2cfb80f574257eb9244...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-29T12:41:31.378684Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/publication.txtobserved bf54b78e72a3a6f6cd85c22b08573f31...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:02.585673Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864observed c91e09917e118f9f0343a513ed8c620b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:02.513743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/manifest.jsonobserved fad8128418096ad2542fe76112a0f4c5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:02.435622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/publication.mdobserved e5240fe35e3af2cfb80f574257eb9244...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T12:41:02.353529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000034864/publication.txtobserved bf54b78e72a3a6f6cd85c22b08573f31...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|