OpenTechnical

OT-2026-000063844

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

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-2026-000063844) never changes.

Identity and time

Publication numberOT-2026-000063844 · never reused
Internal UUID01a0ae8d-53b7-78dc-8f7d-d257084dcb37 · 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-2026-000063844
StatusPUBLIC

Content hashes

Canonical textf7a8f34eabcfcc662cf1feb43958a9d5fda425a4499b1cd2729e1e1fa9cd0f38
Markdown93c01a15ef029f1e57c84871ecdd653556c3044d5417a348b5bc4e0c5749f68c
PDF
Publication page9c1275a01a259dd9c38e459e33cf37ed2f63d388f8549bd61bc6917382a76d35
Manifest5fab910a5bc89148f6bd4df5f8d5c3c9cfaa47e87862e8986b55f27c357aca00

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
Signature4Gpidqq6svvggUBGnJ2fC0HTjNAh5fawQOnZXKPClri+hOXjHucZul/t3hFXowxk9ucYmkEsWHntSdSPZIDHBg==
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

2026-09-17T10:36:52.373621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063844
observed 9c1275a01a259dd9c38e459e33cf37ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.354253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063844/manifest.json
observed 5fab910a5bc89148f6bd4df5f8d5c3c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.334913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063844/publication.md
observed 93c01a15ef029f1e57c84871ecdd6535...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:52.314804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063844/publication.txt
observed f7a8f34eabcfcc662cf1feb43958a9d5...
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.