OpenTechnical

OT-2026-000018402

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-2026-000018402) never changes.

Identity and time

Publication numberOT-2026-000018402 · never reused
Internal UUID01a0ae6e-b489-7aae-8bbe-c14489cde16d · 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-2026-000018402
StatusPUBLIC

Content hashes

Canonical textbf720a31998f307bb7dcfbaee007519e3aae692b7f73b0771527a4553e47420d
Markdown41894249b85ef232cd897100027dca1b644b603e3b116b63f18cca999ffe372e
PDF
Publication pagedf3fecda580feda9c7fe8aa6e33bf9c42c16a4c7e20e2fe6bf3117099355e303
Manifest175a34fe80000a190bb252591bdba4a40ae446727b4a8abef24e066e039a6b5c

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
SignaturebgwADcAAfX7qwRWUh93qB99TAax6ErfphUb/xeWSpieyakbRup/3egiy8zpfB5YdjHEwbhUY2+i92bYuA/7OBA==
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

2026-09-17T12:01:08.692826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018402
observed df3fecda580feda9c7fe8aa6e33bf9c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.675423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018402/manifest.json
observed 175a34fe80000a190bb252591bdba4a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.657510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018402/publication.md
observed 41894249b85ef232cd897100027dca1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:08.635548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018402/publication.txt
observed bf720a31998f307bb7dcfbaee007519e...
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.