OpenTechnical

OT-2026-000038406

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000038406) never changes.

Identity and time

Publication numberOT-2026-000038406 · never reused
Internal UUID01a0ae78-2d52-763e-8c15-8ee0fdb67c2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038406
StatusPUBLIC

Content hashes

Canonical text83fe577cc2b16e91c84948205deefe80b093903908a79ef82aa724d4d1795be1
Markdownfa9376475aa31a7be877fe013f6f77a8b60cd9ea76bc6e6405c5e13d0dfb12b7
PDF
Publication pageace29a19eb7d91eaf3c2486dceaf88a8f4a432d52125df061f56d101f06c4566
Manifest2a6b3472b5439eeab08b923702e1d17c3fc4f3e09e91597682ce065c1399a122

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
Signature+gKEH7Ko4OJ2AlC8XO6cjirEDLSY/8zdu602xPnsRGjLYLJo+2vPWGhcm1Eix8i5e6NXKkoMCpcGiYdJZ4Z+Cg==
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

2026-09-17T11:22:37.005990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038406
observed ace29a19eb7d91eaf3c2486dceaf88a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.989152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038406/manifest.json
observed 2a6b3472b5439eeab08b923702e1d17c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.970804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038406/publication.md
observed fa9376475aa31a7be877fe013f6f77a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.953578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038406/publication.txt
observed 83fe577cc2b16e91c84948205deefe80...
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.