OT-2026-000015993
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000015993) never changes.
Identity and time
| Publication number | OT-2026-000015993 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-0c4d-7c24-9642-f86c2c0c9f69 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:02.846253Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000015993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 323c237a965b6bd8b6492bd7cf0ea59adee9173777b2dae1740a2be7b6833148 |
|---|---|
| Markdown | f3131546305f5d2f7c69b229076eca8a4c21c7c1bc75044640dd141793c6c569 |
| Publication page | 2bbb1d401d3dd4d1c269481a76ea3f3ce6ab7b9ab26956ff912a8a9dc928a38b |
| Manifest | ac9e1ddb2b69e484419bc024ca6333236b0306782b58f85743461765bbaf9848 |
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 | VykDvRmiLGqMD7OEnPySIhu9r2Mp8I8+7H+xPy1e3yAwwi7GfshwPOAKNV6SdRLQiwVaD7auhwNTeaoxhq0iBA== |
| 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
| 2026-09-17T12:05:30.777695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015993observed 2bbb1d401d3dd4d1c269481a76ea3f3c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:05:30.756559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015993/manifest.jsonobserved ac9e1ddb2b69e484419bc024ca633323...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:30.733831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015993/publication.mdobserved f3131546305f5d2f7c69b229076eca8a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:05:30.708907Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000015993/publication.txtobserved 323c237a965b6bd8b6492bd7cf0ea59a...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. |
|---|