OpenTechnical

OT-2026-000063754

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, vented 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-2026-000063754) never changes.

Identity and time

Publication numberOT-2026-000063754 · never reused
Internal UUID01a0ae8c-f946-7f90-8c5e-2f31aa9d881f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063754
StatusPUBLIC

Content hashes

Canonical text60474d4096313e618c36b19a2331f48f88ca1a633ea5d71c23be301984d5bb7e
Markdown30dd3f303e99e071781b9a419026453f6ee252efb8f09ad1afc5c14258d861c7
PDF
Publication pagee2763fd3960d44aec9a25ec5e4d0423dc4d823b8e1244682311a317e2102d2b7
Manifest713bfa608df0ff34e63f64ff314f7b1a11d7e1516ffdcfe0da34d379a1f28ba8

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
SignatureBC8nDHKmZZaDpodAJGiP5kvFbA0cBvDHaMOqLHYcu461xjqTcqU2dNVsGcARkQNTZzynuGHfr9EONHEs2eghAQ==
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

2026-09-17T10:37:53.404382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063754
observed e2763fd3960d44aec9a25ec5e4d0423d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.385698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063754/manifest.json
observed 713bfa608df0ff34e63f64ff314f7b1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.365864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063754/publication.md
observed 30dd3f303e99e071781b9a419026453f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:53.347619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063754/publication.txt
observed 60474d4096313e618c36b19a2331f48f...
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.