OT-2026-000042774
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000042774) never changes.
Identity and time
| Publication number | OT-2026-000042774 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d0-7740-8820-fdbc47da19c0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042774 |
| Status | PUBLIC |
Content hashes
| Canonical text | 54cbe62b4069e0e7bfd487ab35cc3d3035bf6cbfe29062dced14938b39e6fbea |
|---|---|
| Markdown | a22318bfb8e6a6941eaebac3637ed3281515a3e416d9888214722b4247ba275a |
| Publication page | edebaf7ee3f60bebfd3fad306fa12ad8baf9657622287bea20b84c71fada194a |
| Manifest | 42f1344fc80e3d3c6cbcfd75753f99591d1c9146c1d7538c1597eb70902839fe |
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 | P35WNWV5202FrGLn1EqkOpSe1cuQozDfDjRemHqwMbKsZldfjbwn3vpa1OSWev6eQTIZa4hS24N4uzGl10SXCw== |
| 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
| 2026-09-17T11:15:14.066635Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042774observed edebaf7ee3f60bebfd3fad306fa12ad8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:14.046683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042774/manifest.jsonobserved 42f1344fc80e3d3c6cbcfd75753f9959...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:14.029179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042774/publication.mdobserved a22318bfb8e6a6941eaebac3637ed328...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:14.010337Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042774/publication.txtobserved 54cbe62b4069e0e7bfd487ab35cc3d30...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. |
|---|