OpenTechnical

OT-2026-000020066

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum 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-2026-000020066) never changes.

Identity and time

Publication numberOT-2026-000020066 · never reused
Internal UUID01a0ae6f-1fb8-7380-b158-b323a7385fde · 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-2026-000020066
StatusPUBLIC

Content hashes

Canonical texte301a705bd38c975a20de94d018dca6f00b276fbd7300cbfd60cb7adeb4ec20b
Markdownf514105d60526cba037779411f381b06decf33b0d68b49afc5599c7d1c17bd45
PDF
Publication page37cf42e4ffad16d90e1f342671c6a0c8a9d258b0cc1d4d0e19d136d1b40a763a
Manifest4f35bfc3071ffcff6ade3756eb664d0f6401c758fea9b2f8b75ade5c41b36795

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
SignaturerIPop/NjxbgpW8dfTjBdQ6g2Q9NvLj/N6hVZolbIOn5v7w4XWYkMtFUKCkhaK1gaihOIWurpjsO+xZiyokZ6BA==
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

2026-09-17T11:58:20.456175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020066
observed 37cf42e4ffad16d90e1f342671c6a0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.435255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020066/manifest.json
observed 4f35bfc3071ffcff6ade3756eb664d0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.415807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020066/publication.md
observed f514105d60526cba037779411f381b06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:20.397841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020066/publication.txt
observed e301a705bd38c975a20de94d018dca6f...
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.