OpenTechnical

OT-2026-000019995

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, pulsed blow-off before 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-2026-000019995) never changes.

Identity and time

Publication numberOT-2026-000019995 · never reused
Internal UUID01a0ae6f-1fb7-71ad-9b4d-443670973533 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019995
StatusPUBLIC

Content hashes

Canonical text171cf50294442b99c69260b563df0feb3890ae3e1d959e9654687e7efb9ad70e
Markdowna809f576b1ec888199222cdd2d7a194529fb8b57a570aed80bf9f0e6901b235d
PDF
Publication page68511e0229362238605f1f1e504a7f0a2cccc585ac60090ac60dd16ded42dbd5
Manifestaf8eac17018d2d9f662160deb0919a09f176ebd594bbb27e79124651cce6869f

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
SignaturezFt6JNHBzSTunEvXKP5ukGRErNL9xAeRF1zZDkMeWe0UoHhVTlk5aqXXedC4kzngeU4gr/RleZILwxRIYdCHDA==
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

2026-09-17T11:58:14.365138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019995
observed 68511e0229362238605f1f1e504a7f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.347947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019995/manifest.json
observed af8eac17018d2d9f662160deb0919a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.329760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019995/publication.md
observed a809f576b1ec888199222cdd2d7a1945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:14.313500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019995/publication.txt
observed 171cf50294442b99c69260b563df0feb...
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.