OpenTechnical

OT-2026-000003664

Publication integrity record

Vacuum cup gripper, per zone isolation, four outlet manifold, plant vacuum fed, pressure verified

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-2026-000003664) never changes.

Identity and time

Publication numberOT-2026-000003664 · never reused
Internal UUID01a0a90a-adfb-7539-b3d7-f650949defc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:24.542356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003664
StatusPUBLIC

Content hashes

Canonical textcbecda198ede56079a642d55c23eb5f3ab05e004f84652cb4e5fc0100622102c
Markdown02e03b59f7ab1bb779936560f5db35c0550eb44859b69770a712ad80a2ba281d
PDF
Publication page6e2532d33600727a5d4e5009e678b4b0a126714442544960a80a9f66175de6a2
Manifest9c92f989379499f5bbcc78f5ba8fca08bc44ff0e18d7dbaa47898bb1e3a5450a

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
SignatureWTcfUxi0+zZ06860Ss8uJy/mx39B8GlkRa9lnv4avhnKUjunHBgjiRKF79fY8ew/SC911uVaaYjVnkRlLuk9Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:38.197619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003664
observed 6e2532d33600727a5d4e5009e678b4b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:38.182521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003664/manifest.json
observed 9c92f989379499f5bbcc78f5ba8fca08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:38.165937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003664/publication.md
observed 02e03b59f7ab1bb779936560f5db35c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:38.148851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003664/publication.txt
observed cbecda198ede56079a642d55c23eb5f3...
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.