OpenTechnical

OT-2026-000029010

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000029010) never changes.

Identity and time

Publication numberOT-2026-000029010 · never reused
Internal UUID01a0ae73-2a9e-7e62-b2a9-aad2066ca266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029010
StatusPUBLIC

Content hashes

Canonical textb3a12575ad268930f140c18a94f3daefad559db64014f7baf3aae323b82d2576
Markdown7af314a9d427ba9f02c73b68ed055c95f2bbf49b4c17e8cf222ad3ee8b92b8b4
PDF
Publication pagecbb6498ecb30ab2218db0390db68e50edf6b613e86996c79d8426437bb849cf8
Manifest268d3236ec7a01493f7880aba5423bb7ac9dd2a3179f49a914811ad97089f56f

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
SignatureKAW/coW7Qbda6Sk6vMZVAOrdGCWHPz8yfvxuJHnQEIW00tTq/NI09lcHGLMlVqeSayGr7HLANFGmhfqNn6ubBw==
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

2026-09-17T08:20:34.735208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029010
observed cbb6498ecb30ab2218db0390db68e50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.718533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029010/manifest.json
observed 268d3236ec7a01493f7880aba5423bb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.700257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029010/publication.md
observed 7af314a9d427ba9f02c73b68ed055c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:34.683081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029010/publication.txt
observed b3a12575ad268930f140c18a94f3daef...
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.