OT-2026-000031534
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after set-down
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-2026-000031534) never changes.
Identity and time
| Publication number | OT-2026-000031534 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7332-8c53-59c2fc813a27 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031534 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9cbabc288bb57e3ac12691efee0cc0c5f7cfa30ac9a889de4e9126a5d8257da |
|---|---|
| Markdown | 17a9ad758cb92dbfbb9a8710242e35a677ef01f6e96f79a30fc103406c071022 |
| Publication page | e0a93f6945fcb52308328971be72dd72f7ca64dc1d903d3cfa4157a9b5d39d2f |
| Manifest | ca08ae161efdf3e642ebbc2e3d2df08c9c22e5ba6dcf3b96cb79915c2276aa9d |
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 | CGpwZTMR6Pt7hu3SE1sF7XK6JOJIxF5Ovs+IljGzw112BiZYJNOExZvhlFwauvHnq19YulcAD/kDP+bT5AVrDQ== |
| 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
| 2026-10-21T00:41:49.108364Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534observed e0a93f6945fcb52308328971be72dd72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-21T00:41:49.051595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/manifest.jsonobserved ca08ae161efdf3e642ebbc2e3d2df08c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:48.972488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/publication.mdobserved 17a9ad758cb92dbfbb9a8710242e35a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-21T00:41:48.888687Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/publication.txtobserved e9cbabc288bb57e3ac12691efee0cc0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:08.419150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534observed e0a93f6945fcb52308328971be72dd72...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:08.371132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/manifest.jsonobserved ca08ae161efdf3e642ebbc2e3d2df08c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:08.321515Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/publication.mdobserved 17a9ad758cb92dbfbb9a8710242e35a6...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T16:41:08.260721Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031534/publication.txtobserved e9cbabc288bb57e3ac12691efee0cc0c...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 |
|---|