OT-2026-000043121
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043121) never changes.
Identity and time
| Publication number | OT-2026-000043121 · never reused |
|---|---|
| Internal UUID | 01a0ae7b-327a-721c-98d7-ae47ec60f637 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:28:24.717423Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000043121 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6d384784f32d536927101fc67be1eb35d63757729656f93885d61246fc3525ba |
|---|---|
| Markdown | 60326fa4be41d9c05287cbd922e66289f5824b0e54a61a6ed941f0e8629d68e2 |
| Publication page | e703280c8206317343c7685d19b0e031bc4c11371d5304457bf0fbc6aedc585c |
| Manifest | d447e580b074bd2c82c8171d2ec5bb808f3a8c4a4751f872692481d9767bba53 |
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 | hTzhO22Nw77k/Lhr7od2RLLv+VSLh+ubkk4hVXnBg/CCyZHmDy51WJYL/xEOcN5GVcPo53i1pktLQeBQZHK6AQ== |
| 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
| 2026-10-28T16:41:33.236699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121observed e703280c8206317343c7685d19b0e031...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-28T16:41:33.152654Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/manifest.jsonobserved d447e580b074bd2c82c8171d2ec5bb80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:33.066251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/publication.mdobserved 60326fa4be41d9c05287cbd922e66289...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-28T16:41:32.960891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/publication.txtobserved 6d384784f32d536927101fc67be1eb35...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:30.975847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121observed e703280c8206317343c7685d19b0e031...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:30.873675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/manifest.jsonobserved d447e580b074bd2c82c8171d2ec5bb80...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:30.764128Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/publication.mdobserved 60326fa4be41d9c05287cbd922e66289...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-24T16:41:30.637529Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000043121/publication.txtobserved 6d384784f32d536927101fc67be1eb35...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 |
|---|