OpenTechnical

OT-2026-000084120

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump 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-2026-000084120) never changes.

Identity and time

Publication numberOT-2026-000084120 · never reused
Internal UUID01a0ae98-5b5f-7c6e-86ac-2f2e033c6b17 · 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-2026-000084120
StatusPUBLIC

Content hashes

Canonical textcd9c282103ff01c1ab848d30be801f311781551c1961a442950fdaa0956fa157
Markdowncc212db81d3e3e130582d0f86c81ee42c86c25f569cbab724c4f1703a3af441e
PDF
Publication page25878022c0d99d390c06057db48cf10389878693717c223ffc57d2a20a107d15
Manifest5dd3ccd8c32b85159b6da1512b5ad7d8d5ea730e48eb63ab31051ca46d7afb91

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
SignaturenLHgVr8lqiZxEKTMONu5dcwltEjyPi5ZGBKMiKjDYAQBpS99LFxStKt5qem/HsnJ3hNooPfLPInVQv23jUSWCA==
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

2026-09-17T09:55:52.771124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084120
observed 25878022c0d99d390c06057db48cf103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.754549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084120/manifest.json
observed 5dd3ccd8c32b85159b6da1512b5ad7d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.738320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084120/publication.md
observed cc212db81d3e3e130582d0f86c81ee42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:52.720654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084120/publication.txt
observed cd9c282103ff01c1ab848d30be801f31...
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.