OpenTechnical

OT-2026-000083598

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after set-down

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-2026-000083598) never changes.

Identity and time

Publication numberOT-2026-000083598 · never reused
Internal UUID01a0ae98-0415-724e-8303-7c885246c6c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083598
StatusPUBLIC

Content hashes

Canonical text5532141f6145157089ca285736615d58c8fbfad993a895cd945a2f0e3b9f263f
Markdowne9dfce91cf5a557cd12c3e83b6e83bd283b90550f7051c378154a598916ce906
PDF
Publication page811d3fe1ab3fc80b39f338b7aa6f675e8281fca899146ffb02467778845b3553
Manifest719cc4d800c078d79b84c68fc88ccf612061fb9d702c97ffee5f5c96a22c3674

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
SignaturerqCq53Adbs9RuMrQjq3EZqf9MX9ESEI0FylbuubP+xHmS3L7t5lyxeQty5BczLWbtGFRgEfN2F6oMhs9QkvvBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:57:05.520693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083598
observed 811d3fe1ab3fc80b39f338b7aa6f675e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.504373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083598/manifest.json
observed 719cc4d800c078d79b84c68fc88ccf61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.487840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083598/publication.md
observed e9dfce91cf5a557cd12c3e83b6e83bd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:05.471112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083598/publication.txt
observed 5532141f6145157089ca285736615d58...
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.