OpenTechnical

OT-2026-000053339

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000053339) never changes.

Identity and time

Publication numberOT-2026-000053339 · never reused
Internal UUID01a0ae85-0a16-7a34-8da4-c84d8741b459 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053339
StatusPUBLIC

Content hashes

Canonical text64b233d03629e43db5aa4a61d9ccfe0a6191c1f3b2ce034142df5c8a12968534
Markdowna85a5b7bc7ec35313ab88e80f7842a8d6249d1b9ef348a058e30c055fd1c2b19
PDF
Publication page9ba77776ef1ed25fa88596bbd1e76a12aa4f576c8cd440eb98c4015654d33636
Manifestaa404193418e53e5a3212b26481fe5ae6aba90f103dcada8bb1738b8e7f3b62c

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
SignaturerijiY2BoZ9jZMpkiATABAmY0iHoV5fWzqFC/7TZ2x5ZRJDEJx2HXaGHyzSBbMoq/0ECMWkV+U6ETjBIsAa0uCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:02.763745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053339
observed 9ba77776ef1ed25fa88596bbd1e76a12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.744507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053339/manifest.json
observed aa404193418e53e5a3212b26481fe5ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.723541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053339/publication.md
observed a85a5b7bc7ec35313ab88e80f7842a8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.701831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053339/publication.txt
observed 64b233d03629e43db5aa4a61d9ccfe0a...
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.