OpenTechnical

OT-2026-000097522

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000097522) never changes.

Identity and time

Publication numberOT-2026-000097522 · never reused
Internal UUID01a0aea1-55b4-722e-99a5-9647951444a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097522
StatusPUBLIC

Content hashes

Canonical text55d12b04f00a9db00b8aa193fef7b7ddda338b921a7fb3c905d6fc08b3d061b0
Markdown1fd2151a9e165d476376f08e4948aeedc7b7d5864a321c6ae599daee065d63c5
PDF
Publication page42ac11693160a8e3deaf04cab6a2308a50440247cf5c5fb91a5e20f784e1bbc6
Manifestfc1aaedd7c980e0c1bfc12e5d5a7ee77a2ce84b98e8ec53e08176f9ab52877ad

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
Signature5xa4Zhq8wonF0HkMXDuz+/DZeHWPn3OvwdpfPc3UKqMDmAFZzYSgupCISkMXj703jtKum3F2DtyIfG+2RZLWAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:23.720955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097522
observed 42ac11693160a8e3deaf04cab6a2308a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.702822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097522/manifest.json
observed fc1aaedd7c980e0c1bfc12e5d5a7ee77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.684639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097522/publication.md
observed 1fd2151a9e165d476376f08e4948aeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.667751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097522/publication.txt
observed 55d12b04f00a9db00b8aa193fef7b7dd...
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.