OpenTechnical

OT-2026-000075321

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000075321) never changes.

Identity and time

Publication numberOT-2026-000075321 · never reused
Internal UUID01a0ae93-f200-7bf7-83fa-2ef79dc521cd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075321
StatusPUBLIC

Content hashes

Canonical text4ff5feb8064c9fafa3bca5576de13c3d2c482b8147e3bc653273a04a196affdd
Markdownd29f6774ef55b9afdd6a10f7c8507142dc12d2d8fba24337db1d62190b4a1654
PDF
Publication page99dc554f6c979a0bd5807eab68f993eee34886a4279b1a053c8fddff2d259dc0
Manifest236fe208098e9bba3d1955ef55126c3d327208ddb34576b9369e85144b959c03

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
Signature2n6y9w6NpxQXSAe0NC6D0Bt7BiMiRB39qwAv1MwST/DcTdxSQRI8wfKf/Yc2guJpiPhlv8Ve/r2816F7hvCWDA==
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

2026-09-17T10:17:09.739165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075321
observed 99dc554f6c979a0bd5807eab68f993ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.722494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075321/manifest.json
observed 236fe208098e9bba3d1955ef55126c3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.703613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075321/publication.md
observed d29f6774ef55b9afdd6a10f7c8507142...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:09.559791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075321/publication.txt
observed 4ff5feb8064c9fafa3bca5576de13c3d...
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.