OpenTechnical

OT-2026-000032270

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off 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-2026-000032270) never changes.

Identity and time

Publication numberOT-2026-000032270 · never reused
Internal UUID01a0ae74-f7a8-7b69-b215-8129191d370d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032270
StatusPUBLIC

Content hashes

Canonical text39a2b419bfffc512d67e8295bff186f11370994ae88193a523da0e10d759ed0b
Markdown037f4d756e8184620239988f828d7a30eb712b48eb354ab31cda6576fe312271
PDF
Publication page82626d435ce3babb698b12807aaba7aa62a7eaa0c529911a79420d50827f7e0e
Manifest18a1df8202c74806cb0338e7513cdfe0f0dcf6bdf7652324e8d2232e4a760a97

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
SignatureBsSnWuMRtjh1w9M/UbZkYAtziTfEobL2M1jVPrU6EiC/rhEfcmA4Uu620h7msiEQYQcq1Xus2ifSrGY9nH19AA==
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

2026-09-17T11:34:37.978793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032270
observed 82626d435ce3babb698b12807aaba7aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.959786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032270/manifest.json
observed 18a1df8202c74806cb0338e7513cdfe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.939972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032270/publication.md
observed 037f4d756e8184620239988f828d7a30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:37.922893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032270/publication.txt
observed 39a2b419bfffc512d67e8295bff186f1...
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.