OpenTechnical

OT-2026-000076593

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000076593) never changes.

Identity and time

Publication numberOT-2026-000076593 · never reused
Internal UUID01a0ae94-b06e-7032-a0a4-bd5ca6a0256f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076593
StatusPUBLIC

Content hashes

Canonical textcfee71163c40c54fdf71c1933829f61b779e19817ea0f18b85dd01aa28340e6c
Markdown7ba5521a22de6e9c75b6a5fd893ad490e568277b2ac495c1292f93a19b831803
PDF
Publication page8f5f6f27eaf5075a59ba13f2b366da06e277bf98deb337d3086182336180df9e
Manifestc7941cbbc8c338266f4b0cd70d159f7019b6a46213842aaaed1c2f3567a99d8b

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
SignaturekYBGDgFCKvLXcb3HHAcYSo9q92h6q2y6AmU7FcDYJROOzNkOUUtb8zkrYm0gEg8zUoZ88DRHrqzc2SusRgQmAg==
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

2026-09-17T10:09:15.315008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076593
observed 8f5f6f27eaf5075a59ba13f2b366da06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.295069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076593/manifest.json
observed c7941cbbc8c338266f4b0cd70d159f70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.276645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076593/publication.md
observed 7ba5521a22de6e9c75b6a5fd893ad490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.258172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076593/publication.txt
observed cfee71163c40c54fdf71c1933829f61b...
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.