OpenTechnical

OT-2026-000084199

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000084199) never changes.

Identity and time

Publication numberOT-2026-000084199 · never reused
Internal UUID01a0ae98-5b60-79e5-a7e1-82869dc58593 · 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-2026-000084199
StatusPUBLIC

Content hashes

Canonical text82ecadef5de73237def4f3ec19a26faa62ba08abf00ed5bd51a6c685015ecb50
Markdown93431db6e6f3ab08ec6054771a7c38d759c195127e8c71ddda252e8d96ddce4f
PDF
Publication paged348561658e1955b4f05e089e1b6185b6ade3c91d92eca2254699c306c950e34
Manifest4c42de76d138f9908e6fae1f3ef4a7d78065b3252e51440fe73c9eb3795dedee

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
SignaturedJfuYFMMw41DnN4Nw9bu2sSmE9p6PSfqmKyJhiuNlNcfLW7ojaUwJp75Kf16PFTqGFVsdRj2zvAxFf3UJMNUAw==
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

2026-09-17T09:55:58.826991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084199
observed d348561658e1955b4f05e089e1b6185b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.808859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084199/manifest.json
observed 4c42de76d138f9908e6fae1f3ef4a7d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.791812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084199/publication.md
observed 93431db6e6f3ab08ec6054771a7c38d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:58.773621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084199/publication.txt
observed 82ecadef5de73237def4f3ec19a26faa...
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.