OpenTechnical

OT-2026-000100682

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100682) never changes.

Identity and time

Publication numberOT-2026-000100682 · never reused
Internal UUID01a0aea3-66f3-7b6b-b1de-0f2724eefe66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100682
StatusPUBLIC

Content hashes

Canonical texte346e2bcd2df653eb236b43146c92a1a66f956cfc05040dcc44935b639aa9354
Markdownd6c4bf4225d706c19f3523af9352a9e927fd08d95eb8d19fe3bf9eb7fd5ce25b
PDF
Publication pageac7ecccc0e9725516657997734eb49c242166a4d9ced6cadfc366ab3f2b85aff
Manifest2f2e0f3655bf1d488197fd2759f08ec5bb59faa1b9606cf159bf7910a0af3a5c

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
Signature6LBgW0F399Uub9zmzUuUGWDXdPi1wWvYtMNoUtr7csUaVQ+c+rpJ2PP8JCovbls2TZTl0od9HeutdXqUW4wyCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:29.775454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100682
observed ac7ecccc0e9725516657997734eb49c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.757173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100682/manifest.json
observed 2f2e0f3655bf1d488197fd2759f08ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.739244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100682/publication.md
observed d6c4bf4225d706c19f3523af9352a9e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:29.722358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100682/publication.txt
observed e346e2bcd2df653eb236b43146c92a1a...
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.