OpenTechnical

OT-2026-000030770

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000030770) never changes.

Identity and time

Publication numberOT-2026-000030770 · never reused
Internal UUID01a0ae74-3fb4-794e-9f72-68ed3ce7a725 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030770
StatusPUBLIC

Content hashes

Canonical text6f85e5119162be990a0f0053416402bcffcb0a853152ec63132563b569de0d28
Markdowndcb0cd45da851ebe21f0ddde16929f8e264fc411c10dc31e88494c343ab31cff
PDF
Publication pagef5923fd09d9ee32025115d3859dc3f7d4016380849290cb6c0216517e26879fb
Manifestc7ac8a597529dd0bb5babfa32546f8a7238512883fb875329a3de27610ab005f

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
Signature/2sGODbemzozjZJhfonZKlsq1eZKVTeJSgmgEUn2Wg8G9lb9psagv2bwb79GIONcabhn3Lmwh66FmogJS4taAg==
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

2026-09-17T11:36:43.600569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030770
observed f5923fd09d9ee32025115d3859dc3f7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.582380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030770/manifest.json
observed c7ac8a597529dd0bb5babfa32546f8a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.564641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030770/publication.md
observed dcb0cd45da851ebe21f0ddde16929f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:43.546895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030770/publication.txt
observed 6f85e5119162be990a0f0053416402bc...
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.