OpenTechnical

OT-2026-000041490

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, sustained blow-off after 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-2026-000041490) never changes.

Identity and time

Publication numberOT-2026-000041490 · never reused
Internal UUID01a0ae79-b145-7def-8f01-b95f2d93699b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041490
StatusPUBLIC

Content hashes

Canonical textc134a58219a75fa1085aefc084344df9a6fe114ec40720c7245f1fd86670be94
Markdown6e1db570ccdbe3ab721e4a21ecb9e730fd0e09b7e0e8fef2401363a7df01fdf2
PDF
Publication page36ed1310892f970bfb367a60d666db8447dd40b85c4e4d8551c21057ebee39ae
Manifest85d9f41518115770f5296af4e957c16d083b28b82d11cbe1c99e38fee4aeb3bb

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
Signature9H2yCiZ+MhRLnvxclvb1+KGATH8m6DNtS/3AyWaUF4r1iYgveYBmpmlL9NYagafBoSpzzugiEgfdvgWYk9dMBw==
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

2026-09-17T11:17:31.481759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041490
observed 36ed1310892f970bfb367a60d666db84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.464348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041490/manifest.json
observed 85d9f41518115770f5296af4e957c16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.447559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041490/publication.md
observed 6e1db570ccdbe3ab721e4a21ecb9e730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:31.429845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041490/publication.txt
observed c134a58219a75fa1085aefc084344df9...
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.