OpenTechnical

OT-2026-000027909

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000027909) never changes.

Identity and time

Publication numberOT-2026-000027909 · never reused
Internal UUID01a0ae72-a4a5-717b-88b4-b1bc07924dce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027909
StatusPUBLIC

Content hashes

Canonical textc341077c2a393bccc1a650492e335c3732a71262e2232be17c5869079519eb23
Markdown9a0eab3879a1fd69a89a99a77c50ece26601a00c45f31d91493fc6ede981fae9
PDF
Publication pagec28e6aff0c8aa627411949dc0bf6d941df764137897f811c82defba9db7951f0
Manifest81887a6173f2c4134dd38cfdde3f5ba393d9733327239b7e9c113693d8697181

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
SignaturexXsiHSvWFO6nSOU5haQ5tN2fjdvLw2cZ+ZlHn7Rkuo5ddWbc6+6GfC6LrhxLZoWqL8+3W10wsA9QXq5xfF99Bg==
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

2026-09-17T11:42:04.738074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027909
observed c28e6aff0c8aa627411949dc0bf6d941...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.717732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027909/manifest.json
observed 81887a6173f2c4134dd38cfdde3f5ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.698681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027909/publication.md
observed 9a0eab3879a1fd69a89a99a77c50ece2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:04.678694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027909/publication.txt
observed c341077c2a393bccc1a650492e335c37...
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.