OpenTechnical

OT-2026-000066097

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000066097) never changes.

Identity and time

Publication numberOT-2026-000066097 · never reused
Internal UUID01a0ae8e-8dc3-7eb6-9e08-893cdce59a31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066097
StatusPUBLIC

Content hashes

Canonical textaea0fbf95df2f2900c66923b60cb5f1819868bd95f97786c01ccbd20720b9897
Markdowndfa02f658176c35434581f51120a8b7e875baffe8fad29587ba72329e81080b9
PDF
Publication page1ea748db780f4c4c58a1d6bbe730458594e187241498074dd39aeb38160917c0
Manifest6f0ae52262a200178e5193c0ca831d8d2cc7b12aeb518b87946e43a2386f545b

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
Signature9y4UjhzNzg1cBmlR2VwPcCdmZogftJzI3skfXtRV2EAzPt/3K03ZaB7WtOEC23z/+i25Z5mrs5FuLeHtI8VnBA==
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

2026-09-17T08:50:47.603841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066097
observed 1ea748db780f4c4c58a1d6bbe7304585...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:47.584478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066097/manifest.json
observed 6f0ae52262a200178e5193c0ca831d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:47.565463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066097/publication.md
observed dfa02f658176c35434581f51120a8b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:47.548451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066097/publication.txt
observed aea0fbf95df2f2900c66923b60cb5f18...
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.