OpenTechnical

OT-2026-000044450

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000044450) never changes.

Identity and time

Publication numberOT-2026-000044450 · never reused
Internal UUID01a0ae7c-39d8-71d5-8bc8-987ef76e8b21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044450
StatusPUBLIC

Content hashes

Canonical textc760665ef4accf991477d25b0e18a9237ec52a76ac4b4f8b98551049b145c638
Markdowneb61bd453b5bcd36a65c55c9ec097be5826e0bd2103eba213694c192bccbea5b
PDF
Publication page338f12ecfb33adf68cfc173ae356f75476d7645eb7924f8addb3c414a9658acc
Manifest3977733a2fead3a2de6622d43d6ca033c705aa401b9d7d9e91b5f5e8b2ff440f

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
SignatureloO644dfWovOHZQetijeB6iLmukUY72aOh4bVjGaizNhtPWV67no9AqWT2tQG5v57KQB8J1MMwdj8uWUqgVyAA==
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

2026-09-17T08:30:48.736733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044450
observed 338f12ecfb33adf68cfc173ae356f754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.717428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044450/manifest.json
observed 3977733a2fead3a2de6622d43d6ca033...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.575823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044450/publication.md
observed eb61bd453b5bcd36a65c55c9ec097be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:48.555732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044450/publication.txt
observed c760665ef4accf991477d25b0e18a923...
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.