OpenTechnical

OT-2026-000087912

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, 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-2026-000087912) never changes.

Identity and time

Publication numberOT-2026-000087912 · never reused
Internal UUID01a0ae9b-1aa5-79c5-87f9-177f7e22cda8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087912
StatusPUBLIC

Content hashes

Canonical text8856db0f34c2f1a8a0d3e047026a2bf06ad14691a0dc296025b7150a5f657257
Markdownc85aa81c158c30a1d67e5380cc9937b9a42fd9a9d675fc1a74d5c689d0e535fb
PDF
Publication pageb6adb85d451fdbd4cfa9029c5357d93e979db195fc89430d0b5d9339ac16deaa
Manifestfeceab250880466cc14c271b58f52c494d127ecc4cafc47bb30161b22b1db0ef

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
Signature67vmEaK/Be/2JUx0Y0lEujAONZJO7t3BBQhIAhVxz/RKzrTG34KD6rzduh/8c4Zo2KD4v+wKmJS0rNUo58KmCQ==
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

2026-09-17T09:49:11.802694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087912
observed b6adb85d451fdbd4cfa9029c5357d93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.784530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087912/manifest.json
observed feceab250880466cc14c271b58f52c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.766985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087912/publication.md
observed c85aa81c158c30a1d67e5380cc9937b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:11.749332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087912/publication.txt
observed 8856db0f34c2f1a8a0d3e047026a2bf0...
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.