OpenTechnical

OT-2026-000030430

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000030430) never changes.

Identity and time

Publication numberOT-2026-000030430 · never reused
Internal UUID01a0ae73-e503-781a-b107-df710ce68d23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030430
StatusPUBLIC

Content hashes

Canonical text47131215a97a72fab05abd568216b47ec069b874d3050f61f395f6515881d852
Markdowndc6ab03111a8b49c40fca9db832ee21560ae49346e46f154e971540b76fb6e60
PDF
Publication page5242f437532b901b342e294adf28617f03c065fdcde10e86756669f7bfc4044b
Manifest956a32fed55bbc897834ae90dd6ff541a74d2535eaa4f485bf31f550dcc23a19

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
Signature9SOgRInGlQT0I38nDlTUaSH+S1unm5Pg4P+xJfqBhrjTWpJY4VbSZV+UVhnwABy8VsoyjgpQcUTnlRmBq8ioAw==
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

2026-09-17T11:38:10.036976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030430
observed 5242f437532b901b342e294adf28617f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.020629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030430/manifest.json
observed 956a32fed55bbc897834ae90dd6ff541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.002188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030430/publication.md
observed dc6ab03111a8b49c40fca9db832ee215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:09.985693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030430/publication.txt
observed 47131215a97a72fab05abd568216b47e...
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.