OpenTechnical

OT-2026-000063852

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000063852) never changes.

Identity and time

Publication numberOT-2026-000063852 · never reused
Internal UUID01a0ae8d-53b7-7996-818d-8b880e635f00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063852
StatusPUBLIC

Content hashes

Canonical textfbb84d222ae9f26e335b4422702ab87eb22af8ed2d542022f4cebe1b0f9e01f8
Markdown4eec18b9408fbadca43af4264839bdc13582f2ee6c555dbec26ca7e9730aee60
PDF
Publication pageecd64e33ea3a02bec246a244af957243cc74cdad157f3c1bfd50ea49b24765c9
Manifest6a4d6d625bd588ea9cf241ad307eb9189180032ad771397f563327c2c464e3a5

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
Signatureo2HaH8nubpYaq8rYL5wdE4TFQKvqJNgmNamoCN3tRMEdIrH4IWZ2O8732pkU16m2M6xsyj5Phzhe/IfQQ9iKBQ==
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

2026-09-17T10:36:53.006894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063852
observed ecd64e33ea3a02bec246a244af957243...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.988911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063852/manifest.json
observed 6a4d6d625bd588ea9cf241ad307eb918...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.965132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063852/publication.md
observed 4eec18b9408fbadca43af4264839bdc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.945394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063852/publication.txt
observed fbb84d222ae9f26e335b4422702ab87e...
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.