OpenTechnical

OT-2026-000084022

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000084022) never changes.

Identity and time

Publication numberOT-2026-000084022 · never reused
Internal UUID01a0ae98-5b5d-7794-9c87-9c71f2764664 · 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-2026-000084022
StatusPUBLIC

Content hashes

Canonical textf04669053bfbf62eb9ce2d10f9475ed525dfe1a4e309e44c435699d0a3f5f85c
Markdown3699468bda145ee5d273b11325c7ab5424e21b57d161f40de91991a9f14ace1a
PDF
Publication page6b234da24aed53c56ad6ab1b05c27dd7472dda42d72b09f3f8650ca7639300e1
Manifestc29e39a18f5e1d4c7e82b5252610dcd8b95d8fa9236e7eeea0bb6c0cd54cb8b5

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
SignatureQsYoeLQMBqacU+qpqSLnLj5VbYXUpWxItXPvGAdGVFq9qInwIDSmBoUEwKsJOhi9Q/3tg3gUm8HkyrUlhZEZCg==
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

2026-09-17T09:55:44.649514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084022
observed 6b234da24aed53c56ad6ab1b05c27dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.633483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084022/manifest.json
observed c29e39a18f5e1d4c7e82b5252610dcd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.613545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084022/publication.md
observed 3699468bda145ee5d273b11325c7ab54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:44.595092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084022/publication.txt
observed f04669053bfbf62eb9ce2d10f9475ed5...
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.