OpenTechnical

OT-2026-000091406

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091406) never changes.

Identity and time

Publication numberOT-2026-000091406 · never reused
Internal UUID01a0ae9c-f16d-7864-b0f6-e88728c07d6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091406
StatusPUBLIC

Content hashes

Canonical text812ced7a075cf0fbf351a592d445d017cadf1fbe02450c4e74586c1a0e0585d1
Markdown2ad8c4d4f093feb09759a63da51aa99d506ff5b2380c8b65d929805e4b35585c
PDF
Publication page2013fab6f72f6867bc74334531b59d0ebfec3c7a6b17d0d75498b93460047012
Manifest03ba9722733f4460739adc182ed3c19a30b47022f08f70a51a9cc5b8b28b1e3d

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
Signature2ubefuXZQpzYhdJ3AGJvQIbm2jXBBAdT+nnc8PrT5U3JfN5h2qCp0UUnuH+iljbaOhkqUVdck+0hKavC+AEJCA==
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

2026-09-17T09:43:38.299796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091406
observed 2013fab6f72f6867bc74334531b59d0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.282669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091406/manifest.json
observed 03ba9722733f4460739adc182ed3c19a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.264166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091406/publication.md
observed 2ad8c4d4f093feb09759a63da51aa99d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:38.245541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091406/publication.txt
observed 812ced7a075cf0fbf351a592d445d017...
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.