OpenTechnical

OT-2026-000030836

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000030836) never changes.

Identity and time

Publication numberOT-2026-000030836 · never reused
Internal UUID01a0ae74-3fb5-7cb0-a37f-86711a384532 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030836
StatusPUBLIC

Content hashes

Canonical text5c08d3a7729415905730efbf302072f3e64a82906fa8952cb1e01426345e055c
Markdown7310861dcf16b36fa67160d01caf381af396c31aaea15b7815ea262571b7e4c8
PDF
Publication page26ba65584e1526b0097ffbab6342492ac31304c7341579a26ba64da40451ee09
Manifest2deb58d1ffce4779c66b2e22a538d99c79acc769218a265a04e83d41ab279a9f

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
SignaturebF/WJJcq8PrzUG6/CbFkmrqkH+iVKXcr24LWYBnEdIq5t+ySnZA0X4JFECAzl8RxLG69RD4/rUxuB5x5ZEihAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:48.605119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030836
observed 26ba65584e1526b0097ffbab6342492a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.587726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030836/manifest.json
observed 2deb58d1ffce4779c66b2e22a538d99c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.571647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030836/publication.md
observed 7310861dcf16b36fa67160d01caf381a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:48.554696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030836/publication.txt
observed 5c08d3a7729415905730efbf302072f3...
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.