OpenTechnical

OT-2026-000104381

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, pulsed blow-off after set-down

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-2026-000104381) never changes.

Identity and time

Publication numberOT-2026-000104381 · never reused
Internal UUID01a0aea5-3421-74e5-a8ad-cc10d85b7fed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104381
StatusPUBLIC

Content hashes

Canonical textbdc236bb0e3ae4ba2e6b04d5bf689fc3c1ee7bcfb326827891ff3dfe084056a9
Markdown5b80bd8de3230efbc7ab822837c879cc21457a040dbb1ec7d1b6a23ef8b98234
PDF
Publication page12e30eec94ef93b3ba41f0f2c7825667ae202418f6ce69bafb6c9d16522bac54
Manifest7ac462b602f252604d92080b0a983e353c41ac1dfc3781ae42ac6d78042f0c0e

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
SignatureTQQ6fSOBRmgMKRgQIb6Zx3d/+Fga5NhCrCYe9DtSYxgHVJMWMl4WlQaOMcwAAQn/+stuzq8ITZlTh3mDyhueAg==
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

2026-09-17T09:21:38.729672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104381
observed 12e30eec94ef93b3ba41f0f2c7825667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.712086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104381/manifest.json
observed 7ac462b602f252604d92080b0a983e35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.694995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104381/publication.md
observed 5b80bd8de3230efbc7ab822837c879cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:38.678498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104381/publication.txt
observed bdc236bb0e3ae4ba2e6b04d5bf689fc3...
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.