OpenTechnical

OT-2026-000042362

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, sustained blow-off after 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-2026-000042362) never changes.

Identity and time

Publication numberOT-2026-000042362 · never reused
Internal UUID01a0ae7a-5d74-7e4e-b426-d69944327944 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042362
StatusPUBLIC

Content hashes

Canonical textd94452c9c1aa45b02572c1d590f0306262424108fcab53c18615bef5ed42f98f
Markdown86a48b668e97e84e828099063eb8e5d375e73154a8c7a6f7a3b6e2c19b108145
PDF
Publication pagec770d85493ccd7dce86b729dd0e5f1cfbb2a7a1b72876dec0613dde435988fec
Manifestcf41ad2aa9889926e6aa40453b7ea0bb6f6a891117f135c46ac169167d234834

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
Signature36ECSi0yrXh9Refz5aDm+zMDQWuIOxY0peshWMYsoCS61rkR6V9CW6Wj9+ksJhRb2hEk4AeW2958vzxvjI5YDg==
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

2026-09-17T11:16:04.581785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042362
observed c770d85493ccd7dce86b729dd0e5f1cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.561669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042362/manifest.json
observed cf41ad2aa9889926e6aa40453b7ea0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.538840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042362/publication.md
observed 86a48b668e97e84e828099063eb8e5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.519416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042362/publication.txt
observed d94452c9c1aa45b02572c1d590f03062...
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.