OpenTechnical

OT-2026-000092189

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before 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-2026-000092189) never changes.

Identity and time

Publication numberOT-2026-000092189 · never reused
Internal UUID01a0ae9d-875a-7612-8978-3bf7e97eabce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092189
StatusPUBLIC

Content hashes

Canonical text48e6abccd7b551980468d5ed8dcca2c0c1f17bee06f8cec3bcb541a06e41fb9e
Markdown3d71a27f6652f206917b14496c71fd3ca6fb9e3c196cf7a9630473c5a92f515f
PDF
Publication pageeb0d033d0a9b1e98c48176333107ebf346c2bf0ea456f46ce70e71b95e8e6b88
Manifesta9514ceb9efa6c826f2de3d5db485b7dc33deac54e81955d17d1471d3121f625

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
SignaturetRACIivqD5RH/Y7Ko99CeqHy0Fj55FJKWGnZBj3HxEEqTaA00zwgv4ZBaf745upPnrS63lDpS6OQPxbYNOmJBA==
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

2026-09-17T09:41:40.285619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092189
observed eb0d033d0a9b1e98c48176333107ebf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.268764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092189/manifest.json
observed a9514ceb9efa6c826f2de3d5db485b7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.252016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092189/publication.md
observed 3d71a27f6652f206917b14496c71fd3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:40.235361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092189/publication.txt
observed 48e6abccd7b551980468d5ed8dcca2c0...
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.