OpenTechnical

OT-2026-000068306

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000068306) never changes.

Identity and time

Publication numberOT-2026-000068306 · never reused
Internal UUID01a0ae90-2480-7cf9-821c-bd19ea54d745 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068306
StatusPUBLIC

Content hashes

Canonical textf681ce150caf3e797073ebc42bf0832f45bd611f7008cdbae451a6898b889993
Markdown9ad5e1aa6206aa1a261ee61dda7b149b48a8b6ae2a45ab110b3765adeca2db7e
PDF
Publication pageb9644eeeca5fb0364e55716daf95fd4a967e465daba835d3a7dd1a81e98e11d3
Manifeste01582f74cf9ab838478a142ad5dfa0d16059adaa662054ff12d302fc7e2a8cd

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
SignatureuFuWs+nkF5YM5fcHGa2BecHpmhJ5IcL53XC5D5G4LyFokMaxNO/SymjnjkY/ZqAYOqu8AajZnF+YQg0FUZe6Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:20.651049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068306
observed b9644eeeca5fb0364e55716daf95fd4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.630025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068306/manifest.json
observed e01582f74cf9ab838478a142ad5dfa0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.612024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068306/publication.md
observed 9ad5e1aa6206aa1a261ee61dda7b149b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:20.592998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068306/publication.txt
observed f681ce150caf3e797073ebc42bf0832f...
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.