OpenTechnical

OT-2026-000076893

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000076893) never changes.

Identity and time

Publication numberOT-2026-000076893 · never reused
Internal UUID01a0ae94-b070-7724-bdc7-3b908a8abe6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076893
StatusPUBLIC

Content hashes

Canonical text58373f0e04c82579ff9b71479b18996976fcd80f863e53bd80dcf2cf6d8def36
Markdown4641c38bdf45d01da6957fd96411f70b422b6c3498b6f715810715e9e6651dd8
PDF
Publication page0c2790599866c0393909659b9ecea9997df1d1c35c2d5b6a19adec5335004875
Manifest338e0457ee8c5c7c40bb5e20c6b39bb69ab4065ffb9ca22dff12d9c799b839fe

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
Signaturez2tBLbhEsiSWlDIoCjLmVW8LOLg/+vH/bcHyPrSf33YHHxop6wh+i5sHSjt1dXgcYuGMpDAM6F7VTWdT4x1uBQ==
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

2026-09-17T10:09:47.976167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076893
observed 0c2790599866c0393909659b9ecea999...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.957253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076893/manifest.json
observed 338e0457ee8c5c7c40bb5e20c6b39bb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.937921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076893/publication.md
observed 4641c38bdf45d01da6957fd96411f70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:47.918211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076893/publication.txt
observed 58373f0e04c82579ff9b71479b189969...
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.