OT-2026-000031256
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000031256) never changes.
Identity and time
| Publication number | OT-2026-000031256 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ab-7a6e-a66a-614887d62a6a · 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-2026-000031256 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9e2ec73996c383dd61e78afe49294e21fd93ad8f4493df181a30cea147f629a0 |
|---|---|
| Markdown | 8d4f651ccae9a61fd3dfe9a315c63c9dc10999979cdbd4d5a0076bdd70893024 |
| Publication page | e5857723263968cad856bd6ef64112d7ee71a4769d07f79ccc26ea0d2c491ae0 |
| Manifest | bd78de7a4efc6017580d9ec91cf50cb6200bba8c38352b2461c2c795955ceddb |
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 | EGZkQFrtlV6lTezH7d+IVROGZy17dDWs/Pb6p2N9moc2neq9Gq6FVQMmanvlewVtII6XNmFhVZuZbZ3fS17xAw== |
| 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
| 2026-09-17T11:35:49.981952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031256observed e5857723263968cad856bd6ef64112d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:49.962378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031256/manifest.jsonobserved bd78de7a4efc6017580d9ec91cf50cb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.942226Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031256/publication.mdobserved 8d4f651ccae9a61fd3dfe9a315c63c9d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:49.922812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031256/publication.txtobserved 9e2ec73996c383dd61e78afe49294e21...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. |
|---|