OT-2026-000021993
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000021993) never changes.
Identity and time
| Publication number | OT-2026-000021993 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7745-8d24-214b529dc6aa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f6e8c0223dcab31b12a62d0d0417753cc05c8e6f2a8a96d0d9f0cc4b55d6700 |
|---|---|
| Markdown | 9f428ddfcc1331d40c41c8b5edb56ba8c80a74405e52a4d5fefea2e2cfa6c337 |
| Publication page | 6947745cb9b6bf9b1ef33b97acc16180f6fb20545c64531b383f5b5d3033212d |
| Manifest | dfe44381711b19669189417cdaa41c13217b4e8355804c84da86e92562a39c30 |
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 | AqWuxHWTAlPXwyf2mdgV2AX6pzcDRJuKYiVk4U3TfMqbbBqE+apLgwXTTg/+ep6xGjO6HDzHk7T1nP/p1mynDw== |
| 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
| 2026-09-17T11:54:40.212680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021993observed 6947745cb9b6bf9b1ef33b97acc16180...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:40.190113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021993/manifest.jsonobserved dfe44381711b19669189417cdaa41c13...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.171796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021993/publication.mdobserved 9f428ddfcc1331d40c41c8b5edb56ba8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:40.150380Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021993/publication.txtobserved 4f6e8c0223dcab31b12a62d0d0417753...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. |
|---|