OpenTechnical

OT-2026-000033391

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000033391) never changes.

Identity and time

Publication numberOT-2026-000033391 · never reused
Internal UUID01a0ae75-8980-7dec-bd21-531233b7d3cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033391
StatusPUBLIC

Content hashes

Canonical textc870929f98425ff8cebacc583dde98719eb2eaaeead805fce8ab4862d85f1cd7
Markdown5eb0120fe3a1660f9a5745d9cde077bd4467d9c10ec2393714bd4ae0498b87c2
PDF
Publication page5de992f77debd798bda4d18178d5b823b7d9144f0ce01ba47fca148c19899db5
Manifest866a3c79a43f0f751ada08dd04a7d7d92fd76e0180427d7775146c20cab1127d

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
SignaturedD1cO4vn0zJZV/yyVHiHNa9gKJ8eMbOUjjliHzDXhM4aQQOGft2ewmz7rxvWpiF2WKmXkvZw+fXw17+CXtaTCw==
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

2026-09-17T11:32:10.067082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033391
observed 5de992f77debd798bda4d18178d5b823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.050878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033391/manifest.json
observed 866a3c79a43f0f751ada08dd04a7d7d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.029651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033391/publication.md
observed 5eb0120fe3a1660f9a5745d9cde077bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.011157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033391/publication.txt
observed c870929f98425ff8cebacc583dde9871...
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.