OT-2026-000031489
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, pulsed 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-2026-000031489) never changes.
Identity and time
| Publication number | OT-2026-000031489 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-7457-bd77-50359ed5ab71 · 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-2026-000031489 |
| Status | PUBLIC |
Content hashes
| Canonical text | c04f213d4726fbbf0ec19322613c3442a49732d06344fcf8db4a9b48494ba385 |
|---|---|
| Markdown | 2a2c7c6bf47164ced50abf739000d9b0c57f641542a23f009f484388ad74b13e |
| Publication page | ec8b959442acef6265b8ef657bcae4983d7881effeefdb9bb077d6c6e4d3a867 |
| Manifest | a4f19315617eb4204414675a43b8b7e9f8d9827aa3aa3d013c95f4ce3902f010 |
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 | whe/aacdCzY2Y3Zzb1ax+F5TAX8fRjuYqz+yCeZHEs2fGV27viK22vW42YYp7hsqPkP/QuMoU+tSJ0/hncisBA== |
| 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
| 2026-09-17T12:43:14.275086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489observed ec8b959442acef6265b8ef657bcae498...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:13.725523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/manifest.jsonobserved a4f19315617eb4204414675a43b8b7e9...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:13.293579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/publication.mdobserved 2a2c7c6bf47164ced50abf739000d9b0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:12.922518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/publication.txtobserved c04f213d4726fbbf0ec19322613c3442...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:18.953708Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489observed ec8b959442acef6265b8ef657bcae498...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:18.931185Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/manifest.jsonobserved a4f19315617eb4204414675a43b8b7e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:18.913205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/publication.mdobserved 2a2c7c6bf47164ced50abf739000d9b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:18.894532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031489/publication.txtobserved c04f213d4726fbbf0ec19322613c3442...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. |
|---|