OpenTechnical

OT-2026-000027246

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027246) never changes.

Identity and time

Publication numberOT-2026-000027246 · never reused
Internal UUID01a0ae72-3454-746a-8b32-79db1abb5fe8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027246
StatusPUBLIC

Content hashes

Canonical textfbd603db701aaedf81b75b86fcf8647e32c3f44c6faf46956055df922e7b5a81
Markdown9922aa4970e91c133c0a9282b367bbfcc314b00dfe0dff3f71084bb892365bdc
PDF
Publication page25f7d974bfb8d3367a2270a55ba09aa0ac5f3f5b8f9da39c84cdd6d94ddb1d79
Manifesta170ff1b1eda0b122ce1356f93b4ce38b350c9f16834cf99d8be77d56fb0d1ff

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
SignatureVzcTDpzedlFb0+Dj9phXTmZ0Shvgk0yjtbcGDIdfn6ZVMGUghkoYVQAofBVsrnXbtrYG+H9+GkBH4/a12jyPAw==
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

2026-09-17T11:44:08.593360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027246
observed 25f7d974bfb8d3367a2270a55ba09aa0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.575047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027246/manifest.json
observed a170ff1b1eda0b122ce1356f93b4ce38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.554868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027246/publication.md
observed 9922aa4970e91c133c0a9282b367bbfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:08.538410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027246/publication.txt
observed fbd603db701aaedf81b75b86fcf8647e...
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.