OT-2026-000042229
Publication integrity record
Six cup vacuum gripper, six 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-2026-000042229) never changes.
Identity and time
| Publication number | OT-2026-000042229 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-7397-8a6d-44520c8948ce · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042229 |
| Status | PUBLIC |
Content hashes
| Canonical text | 15a6ba2d7a97623e78d378af41d86837266890cd868145d0e73c4d3ece310086 |
|---|---|
| Markdown | ff7b6366c26ff4056952354ddcb466dae3f3d9b44747d4cf330d5d4a5f7bb60b |
| Publication page | 28f871f3961cbfa56bc1fd0a5ae570b7fc90cd0fbd9ebc845adeeeadac14304a |
| Manifest | 8549336fd097436cbdcbea947f130d61d2684db9a6a6aea169bfdb8bd61a6361 |
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 | zcIJGUP4kHAKRd+/6AyzPebcJ/e+xWMG9Ru93nT0ORHvyJUSLcnhwVZcKUxZKj2qId4oFZy4pN/GPCKZargBDg== |
| 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
| 2026-10-21T00:41:41.072182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229observed 28f871f3961cbfa56bc1fd0a5ae570b7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T00:41:40.981100Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/manifest.jsonobserved 8549336fd097436cbdcbea947f130d61...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:40.901445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/publication.mdobserved ff7b6366c26ff4056952354ddcb466da...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:40.790720Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/publication.txtobserved 15a6ba2d7a97623e78d378af41d86837...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:18.489578Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229observed 28f871f3961cbfa56bc1fd0a5ae570b7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:18.467500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/manifest.jsonobserved 8549336fd097436cbdcbea947f130d61...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:18.435774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/publication.mdobserved ff7b6366c26ff4056952354ddcb466da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-03T04:23:18.406767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042229/publication.txtobserved 15a6ba2d7a97623e78d378af41d86837...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
| 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 |
|---|