OpenTechnical

OT-2026-000033202

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000033202) never changes.

Identity and time

Publication numberOT-2026-000033202 · never reused
Internal UUID01a0ae75-4844-7789-9442-3a70a92f11cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033202
StatusPUBLIC

Content hashes

Canonical text6c7b99f10e3ce41799ce07f18ef2efd1e5f8156a880d9d983e989ac20e859de4
Markdown4ead00993cc451329aa6ad225b2f997b4502b60950f39d6b385e2e93b7037ac4
PDF
Publication paged013d74d49d8460d28950c989c6b0829582883f86ee9da0d079d41efaaf2e2c0
Manifest4d9f4d1aae7e919bc96d96356495b41ba1defc986f6ae6971cee54aa9acc4855

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
SignatureSiKF74Gkr/hjJVcBxKCVvWrpXPUpJZfO4twwobIxsRCAuwtCA30YQ4mDchhbhdiN+ghW6aeNVe3RDvn475M4Cg==
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

2026-09-17T11:32:54.065785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033202
observed d013d74d49d8460d28950c989c6b0829...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.049043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033202/manifest.json
observed 4d9f4d1aae7e919bc96d96356495b41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.031162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033202/publication.md
observed 4ead00993cc451329aa6ad225b2f997b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:54.012460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033202/publication.txt
observed 6c7b99f10e3ce41799ce07f18ef2efd1...
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.