OpenTechnical

OT-2026-000028625

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000028625) never changes.

Identity and time

Publication numberOT-2026-000028625 · never reused
Internal UUID01a0ae72-e2f9-7e7e-9de9-af371d77c85a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028625
StatusPUBLIC

Content hashes

Canonical text9edaab171654031a4432830a8e86f86194574ba1d2c3dad9b29201423bbacb7a
Markdown0a94000d579a4d8f96847ba093eb158056d781567a5fcd5773d44a1d3bd23075
PDF
Publication pageafbe75967f1950250623439b6ba9748e0f718cc5438f4129d9c6d453527d70df
Manifest135b651d1693d7a5214876309d766019810604b34c24bf2bd557feac3e2f2d3e

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
SignatureBJ9k4cjr9DjrS2e/zwuZD2f9o4Q0ANpsEC0wsRD9NyO3kRz6FN8fc4bUXlpLPntQgubev8/NWe05R+yLsVE6BA==
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

2026-09-17T11:41:29.501955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028625
observed afbe75967f1950250623439b6ba9748e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.482996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028625/manifest.json
observed 135b651d1693d7a5214876309d766019...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.463986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028625/publication.md
observed 0a94000d579a4d8f96847ba093eb1580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:29.444933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028625/publication.txt
observed 9edaab171654031a4432830a8e86f861...
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.