OpenTechnical

OT-2026-000018398

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018398) never changes.

Identity and time

Publication numberOT-2026-000018398 · never reused
Internal UUID01a0ae6e-b489-79dc-b6d0-484a837262be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018398
StatusPUBLIC

Content hashes

Canonical text722838e3932a5b93d04c7ab365027572b594c7a08446eb2801a8dc41eab26ead
Markdown29eb6539772b7eea6428bdac0571ba088c55cac89b075c2c71c629d715d88235
PDF
Publication pagec0f18387a69160ee1cbe015f8c29851c849b107d61d794afd1f90c8c0e144d20
Manifeste8343de764884c4546b36e87f0de9ab0731a40d10ad1ec3681eb4935f11c7c3b

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
Signature6fRA4/nnYJUBWulmx2y4NJaLHyzmFcMK+pHI+XD7FX+UN5oPGXrir5j5TYRB60iZpmwZH4ipEC35prLxefi7CA==
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

2026-09-17T12:01:08.416029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018398
observed c0f18387a69160ee1cbe015f8c29851c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.398725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018398/manifest.json
observed e8343de764884c4546b36e87f0de9ab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.379642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018398/publication.md
observed 29eb6539772b7eea6428bdac0571ba08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.360532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018398/publication.txt
observed 722838e3932a5b93d04c7ab365027572...
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.