OpenTechnical

OT-2026-000017441

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000017441) never changes.

Identity and time

Publication numberOT-2026-000017441 · never reused
Internal UUID01a0ae6e-76c9-7a24-8787-2f792e16a18e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017441
StatusPUBLIC

Content hashes

Canonical textb43c83767eec6fa11cec89650d15d7dd83750728275022961a13f24174f60b14
Markdownc96c15ee2bd73d2452f2814df5e6c1635e831ef51eed684b389bffacd1662569
PDF
Publication page89cbbc228cab84bb7d48f9d02391801b5a9c6d24174bb136aea7012acb937d90
Manifesta891d768ca5f30f00a12efe93fec6203f98e0eed6efa6f2da5ce47e6363df177

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
SignatureQGckYpB7+62HmiINpUi6FMTsEjTM/SJSIMtYMym8ZDs1PUm0myjhkc59nbiT51oBcaEbi4JcljHp61DS2TL0Bg==
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

2026-09-17T12:02:34.529696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017441
observed 89cbbc228cab84bb7d48f9d02391801b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.512072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017441/manifest.json
observed a891d768ca5f30f00a12efe93fec6203...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.495862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017441/publication.md
observed c96c15ee2bd73d2452f2814df5e6c163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:34.477540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017441/publication.txt
observed b43c83767eec6fa11cec89650d15d7dd...
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.