OpenTechnical

OT-2026-000031782

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000031782) never changes.

Identity and time

Publication numberOT-2026-000031782 · never reused
Internal UUID01a0ae74-bad1-7480-a35e-6791cf317913 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031782
StatusPUBLIC

Content hashes

Canonical text2cc38fe18601c366adaef51f8e06a74f8591b767ac209260bfff021071b097b8
Markdown5e4301ee75ee866f70db177f440fdc4f32e8fdb8bd24e569327305b0887aebcc
PDF
Publication page0455c497ad5fa53d06d6ae43b2c8c85915410c0c3b5dea885153afec277558aa
Manifest6601b1bec4e4d809418f4184fcae9a8483b65cc7a5222a6556d01ac9e1a5616b

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
SignaturewJu6gVu/BPtBTQ+Sk7mWmDlYzYxABvt7EaYRrlae21Mw/nb5dcSkS4YRn5sZMFPB3eAL3+X1/mwZcOnOz4CeAA==
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

2026-09-17T11:34:54.646515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031782
observed 0455c497ad5fa53d06d6ae43b2c8c859...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.630577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031782/manifest.json
observed 6601b1bec4e4d809418f4184fcae9a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.613565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031782/publication.md
observed 5e4301ee75ee866f70db177f440fdc4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:54.596087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031782/publication.txt
observed 2cc38fe18601c366adaef51f8e06a74f...
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.