OpenTechnical

OT-2026-000085992

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000085992) never changes.

Identity and time

Publication numberOT-2026-000085992 · never reused
Internal UUID01a0ae99-e82a-720b-ba20-bbf9fa664f8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085992
StatusPUBLIC

Content hashes

Canonical textdf4fbaa8033aefeb3d9d11b4386357d8671cf1d84668300ad3a2e9b1b2109187
Markdowned9c11c44aedb3dc5e95685b0a699a3d830ec6a29a64fd952e1871204c118bb7
PDF
Publication page7d467e724b5360b3df376a9e165936c55875e6ee45f0e467f588090f0c83c32a
Manifestdda78b44c91d42ebf16d05ad834169684eee1ef35f411fe7c19cab7e1afba3b4

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
SignatureXE+rwcBhG6Z1LUFBLV5rm5Krrz4y29ZLWDhNKCKNeg0AVCotfLWgREFVbG2xeT9gvziy45od3GguQ8swmqNHDw==
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

2026-09-17T09:52:58.381816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085992
observed 7d467e724b5360b3df376a9e165936c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.365816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085992/manifest.json
observed dda78b44c91d42ebf16d05ad83416968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.348876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085992/publication.md
observed ed9c11c44aedb3dc5e95685b0a699a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.331334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085992/publication.txt
observed df4fbaa8033aefeb3d9d11b4386357d8...
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.