OpenTechnical

OT-2026-000078154

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000078154) never changes.

Identity and time

Publication numberOT-2026-000078154 · never reused
Internal UUID01a0ae95-6e8c-7f26-9e4a-bbdf08f65bad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078154
StatusPUBLIC

Content hashes

Canonical text1708ef5cc05f92ee957d0cb89a7c14a19f6b4b3208d10d056074d221b7ad62c7
Markdownca9e0f964d2724f9820f03166deed68e48fb09481c8c158ede4b72a63ed62490
PDF
Publication page9559c19579b677aaea507eed6feee93a0c631b8f48472b6bf9a8dc1d069d066f
Manifest68387e5d44d54f8e58d6f80750ec85886b4547eb6a009120145571313ca08e3d

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
SignaturejplRgJ6kAl/5xQWHWKNjItEE6TOY3xuZlTigjeOgN69CGkSmy2c70x4NL9dmR/3M76HQeSivXVBnu2GJuMr9Ag==
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

2026-09-17T10:06:52.178589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078154
observed 9559c19579b677aaea507eed6feee93a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.158927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078154/manifest.json
observed 68387e5d44d54f8e58d6f80750ec8588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.141020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078154/publication.md
observed ca9e0f964d2724f9820f03166deed68e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:52.123359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078154/publication.txt
observed 1708ef5cc05f92ee957d0cb89a7c14a1...
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.