OpenTechnical

OT-2026-000084220

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084220) never changes.

Identity and time

Publication numberOT-2026-000084220 · never reused
Internal UUID01a0ae98-5b60-7d87-ae13-d08352f26c06 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084220
StatusPUBLIC

Content hashes

Canonical textfdf9ec37d72756f1d36903c40c0f4550a0ee15639b47b5dd3cf88011e659b6ad
Markdownff5d4d4ca7add94387e465cad119f79f03917100fe4ad997d07b5754f180dc55
PDF
Publication page4cd100daa88cbc2e7568581c96c5c89630e6131ca309e3cd2d8c950928d9a011
Manifest0e99d7e27f8c9f8a14f2346445f0eaf0faab2fc3330f2f6c5f4697575794a11e

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
Signaturen20BAyz6w79kwXaR6Hh430KP6F+6zSIv2MbXKVUxKdAqU6IzKlyS5zJDiTIhhDKXAvCfKLUcVudrk4BuT5SPAA==
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

2026-09-17T09:56:00.541152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084220
observed 4cd100daa88cbc2e7568581c96c5c896...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.522642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084220/manifest.json
observed 0e99d7e27f8c9f8a14f2346445f0eaf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.504137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084220/publication.md
observed ff5d4d4ca7add94387e465cad119f79f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:00.483834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084220/publication.txt
observed fdf9ec37d72756f1d36903c40c0f4550...
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.