OpenTechnical

OT-2026-000083514

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083514) never changes.

Identity and time

Publication numberOT-2026-000083514 · never reused
Internal UUID01a0ae98-0415-71dd-bc79-8f202238cdbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083514
StatusPUBLIC

Content hashes

Canonical textb3c7537fa3fc4c9a0944438f4af3c6b0dc7108d216dfa9e5d52f8648aa5e4718
Markdowncd90aabffdf44f2a29b6aff2447ef65713432b1e4597890580a709ff5097e9b1
PDF
Publication page68ead9dfc0f90dad133777d8bd141b4e759d8ffb1e7217b7215c38d00af0b6a1
Manifest9de8587aa6339f7e949ab4eaa259f08579e724a4ce2634e4aa577594f8df49e3

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
Signaturef21LrJaG+FTx6ecmJ8ZKD0zP2zStR1vTPQoJaMO7BTdvYjukp+cAkow7mSi4LR0/OyQBb74VwOUHGyjlISncAA==
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

2026-09-17T09:56:29.533476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083514
observed 68ead9dfc0f90dad133777d8bd141b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.517519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083514/manifest.json
observed 9de8587aa6339f7e949ab4eaa259f085...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.501166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083514/publication.md
observed cd90aabffdf44f2a29b6aff2447ef657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:29.485186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083514/publication.txt
observed b3c7537fa3fc4c9a0944438f4af3c6b0...
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.