OpenTechnical

OT-2026-000032231

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000032231) never changes.

Identity and time

Publication numberOT-2026-000032231 · never reused
Internal UUID01a0ae74-f7a7-7003-805a-a47eaee29f43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032231
StatusPUBLIC

Content hashes

Canonical text184a0818400714d5e683484d16d57afe4e6f59c5b1f5d463889c4e1c48932b70
Markdown9526649f3d874b0c3cd89e7914e779d60997739c49490776888e1fc0d45a198f
PDF
Publication pageafff29a06f3b2ee33cbbee1fd72be6b35f95989f932f62179f60842f19a896a8
Manifest5120c34b51b42b8a329c0c4abb31e0140d8237269324f5b7599ed3a48dbb3a4c

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
SignaturennN/sgthLzYb9FBRQG/xk60elxtPWl2//P5MiuxNHKnVw/iNkFDctUi/c3RbSYNceQuIR9AE9KywDDS6JBsXCA==
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

2026-09-17T11:34:35.027722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032231
observed afff29a06f3b2ee33cbbee1fd72be6b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:35.011301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032231/manifest.json
observed 5120c34b51b42b8a329c0c4abb31e014...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.992536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032231/publication.md
observed 9526649f3d874b0c3cd89e7914e779d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:34.974136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032231/publication.txt
observed 184a0818400714d5e683484d16d57afe...
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.