OpenTechnical

OT-2026-000064213

Publication integrity record

Two cup vacuum gripper, two outlet manifold, 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-2026-000064213) never changes.

Identity and time

Publication numberOT-2026-000064213 · never reused
Internal UUID01a0ae8d-a45f-7104-9d65-661f74c1ba90 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064213
StatusPUBLIC

Content hashes

Canonical textbef872267b06d36d4c9879e0e4a27e988dbeef794065fe0608be05cd704a910c
Markdown95020f8b91e99bfe48d0b796be88277b821da37fb23ed4559bbe376fae9592e4
PDF
Publication pagebbcc83a2595260afe035f970b262877586154791ae0a1d99dc4a7300caece186
Manifestd93a3f89e2c49d6ca05ac5a1b86ea4bf48531581cc5e539f673a04541bd7bcca

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
SignatureT23Qj3d9eO7WeurDAfMy33NCebRzXHZh6D7WEgw/2yeZ+bm59zzQlHXWXt5wO/cz9Ebk3xPqpLroeEngmGpaDA==
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

2026-09-17T10:36:19.961952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064213
observed bbcc83a2595260afe035f970b2628775...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.944065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064213/manifest.json
observed d93a3f89e2c49d6ca05ac5a1b86ea4bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.925169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064213/publication.md
observed 95020f8b91e99bfe48d0b796be88277b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:19.907893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064213/publication.txt
observed bef872267b06d36d4c9879e0e4a27e98...
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.