OpenTechnical

OT-2026-000019713

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000019713) never changes.

Identity and time

Publication numberOT-2026-000019713 · never reused
Internal UUID01a0ae6f-1fb4-7546-84ca-844bb5ce6aa2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019713
StatusPUBLIC

Content hashes

Canonical text101f5b2cd16745330168c7a81da14fa3557481cd0fd65a439d47c4618fc7e8bb
Markdownd7af08419398fdf0221cc79f7a96d6468ee5df849b9277b99a2a79b71e6eb0fa
PDF
Publication pagee83bb2c18d340dfa83ba8b1ad409f662d72d1bac95e94d3c2a7674827ee284cb
Manifest5cf0bed26ce39d4c2133f4a7e441fef65a1d100c56cacc4b27a6ed0ad100d45b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturewV06Bea0CZhTO8VyZeuQSMuGkNOq4FeKWDtGv8S/VZxZls5z5RfO7IuboXnUxBbGd4nfGR3Xm9aW0Z4Des40Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:57:47.986596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019713
observed e83bb2c18d340dfa83ba8b1ad409f662...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.968959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019713/manifest.json
observed 5cf0bed26ce39d4c2133f4a7e441fef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.951325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019713/publication.md
observed d7af08419398fdf0221cc79f7a96d646...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:47.933168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019713/publication.txt
observed 101f5b2cd16745330168c7a81da14fa3...
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 archivePending 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 packagePending Custody packages are produced weekly.