OT-2026-000019409
Publication integrity record
Single cup vacuum gripper, 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-2026-000019409) never changes.
Identity and time
| Publication number | OT-2026-000019409 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f393-7f58-84da-9d5e3ddaf964 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019409 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7e9aba64ee34d472300ed4e841d3e7c9a6d491cefe90be821cd9a9cbace49dc |
|---|---|
| Markdown | fb5f0131421f9aa1cfa5ec5c2f896320d1a380cdf2a3e8c58393939e617c63cb |
| Publication page | 77bb2b266dfbc8d0fdc57d8ddecab2cda94c842a3c5efef337554e3dce969a7e |
| Manifest | d214099a8763fe96a0199ff091c55eb8cd716dcb9f02921b6eb5891545c83702 |
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 | y0IxBLbpe8lw/Ch20lVHzEyGz+Aw0bEeql8vFupuJSObwesuxAK9QzPVxHgpUFmAqEctWB+PBqTm3bjjxwPcBg== |
| 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
| 2026-09-17T11:58:47.880421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019409observed 77bb2b266dfbc8d0fdc57d8ddecab2cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:47.862431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019409/manifest.jsonobserved d214099a8763fe96a0199ff091c55eb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.844783Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019409/publication.mdobserved fb5f0131421f9aa1cfa5ec5c2f896320...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:47.823113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019409/publication.txtobserved d7e9aba64ee34d472300ed4e841d3e7c...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. |
|---|