OpenTechnical

OT-2026-000032613

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000032613) never changes.

Identity and time

Publication numberOT-2026-000032613 · never reused
Internal UUID01a0ae75-1070-7447-a8ba-a1a196ccfd4b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032613
StatusPUBLIC

Content hashes

Canonical text7100f649263b614747ce9be14f333422fb932fbc5e05d8637805f44aa15ad9ac
Markdown5da75d127d73b3fc4490aaded6b21231e71774f7717b6c7601262e7af2fc0704
PDF
Publication page81b5abf213fcd271c6c61e08d34521d05f976f1f5ea68ffde1dd9dbfd5daf0a7
Manifestba61885ec3b19cad1a116b6fbc85b784957a0ffaec7ea5b158d9463e1ae9aaf2

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
SignatureBXtVe7UpgrHGI3JojGbGQzpQoA7Wv6G/EELaSmizpWKHpkVqjhu2BxJUpWm6PkzUKCGfspmDY22fzZSBSt3sCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:11.838433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032613
observed 81b5abf213fcd271c6c61e08d34521d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.822235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032613/manifest.json
observed ba61885ec3b19cad1a116b6fbc85b784...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.804841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032613/publication.md
observed 5da75d127d73b3fc4490aaded6b21231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:11.786602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032613/publication.txt
observed 7100f649263b614747ce9be14f333422...
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.