OpenTechnical

OT-2026-000093421

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000093421) never changes.

Identity and time

Publication numberOT-2026-000093421 · never reused
Internal UUID01a0ae9e-508a-73a2-9090-0ede0e9ff190 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093421
StatusPUBLIC

Content hashes

Canonical textc52c38c666075d0eee440632eff9b91ecdbfb8558a653bc85f3c13f4dea1f8d7
Markdown061f7548554fe7d3832cf4113308310fb5e0f0ff11773cac779c49de803a3245
PDF
Publication pagea9880b048e459efb2cbcd6039bc05bf99d657c42f60be828feb45c55ebc8a77d
Manifestcf71853349959c2509c470ca72bb7d174c56160ae4b8c48abf21988c1e700b26

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
Signature+hUf8Dtsqbno5mMYvsBH1ONK9HhyiQGTPW7LzT93SB8R6O4f4ncNESH2WgCvxxrhj55rAoEEHKe7BP+ZaeByAA==
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

2026-09-17T09:40:18.923412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421
observed a9880b048e459efb2cbcd6039bc05bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.905436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/manifest.json
observed cf71853349959c2509c470ca72bb7d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.886128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/publication.md
observed 061f7548554fe7d3832cf4113308310f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:18.868206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/publication.txt
observed c52c38c666075d0eee440632eff9b91e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:24.535367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421
observed a9880b048e459efb2cbcd6039bc05bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:24.520204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/manifest.json
observed cf71853349959c2509c470ca72bb7d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:24.502362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/publication.md
observed 061f7548554fe7d3832cf4113308310f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:24.484171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093421/publication.txt
observed c52c38c666075d0eee440632eff9b91e...
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.