OpenTechnical

OT-2026-000093009

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line 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-2026-000093009) never changes.

Identity and time

Publication numberOT-2026-000093009 · never reused
Internal UUID01a0ae9e-090f-7448-95c5-e8468317966f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093009
StatusPUBLIC

Content hashes

Canonical texta409af633fa34bedb5aee0c90f5c58ad97e082f9cc43d2a3f553cae9ab08f06c
Markdowndff8c6ec53262190b6039e112a79094699b71fce820db5524356a3a4d187d0df
PDF
Publication pagecc6c311c88057969495ed3914bb68c0e43b60b621244c26961c3ee017ad4e3da
Manifestafc31960493b533121bb0eabf3db2cfc96bae642bd0518783d1633e4deda5143

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
Signature8lVQmsvYCFvH137rxs3zfP4nDZb/VuyAIj8PPeyVrVZK9QgOaHzsS7+juFKdqupyk9yE0O482N9PNB7bBjmxBQ==
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

2026-09-17T09:40:13.013958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093009
observed cc6c311c88057969495ed3914bb68c0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.995278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093009/manifest.json
observed afc31960493b533121bb0eabf3db2cfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.977721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093009/publication.md
observed dff8c6ec53262190b6039e112a790946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.961892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093009/publication.txt
observed a409af633fa34bedb5aee0c90f5c58ad...
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.