OpenTechnical

OT-2026-000083843

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, sustained 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-2026-000083843) never changes.

Identity and time

Publication numberOT-2026-000083843 · never reused
Internal UUID01a0ae98-0418-74a2-88e1-c73df5596a33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083843
StatusPUBLIC

Content hashes

Canonical text7a9339d08ef8a8120443ef6408317fa845d2e233f2b23691cc731bcaab9a202b
Markdown75802208d513f78f77a4fc3a4b209260e5dcfeb57793a943ef71b10349085da0
PDF
Publication page161772946a954b04afabad6278ad30631148316d1fdf61f5d22b25c51e436bb8
Manifest261fde44377cde338d51391c609ac5807675c8ca52554ec43430a932e141b24d

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
SignatureVp31yZ2daxgROdKkK6K9eKtCz2ALU+IhjSAPBwT/wHtjwXivNjD96yfiLv1y4JYtV4wSEs/Y62SAtn9nAbt1AA==
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

2026-09-17T10:00:07.381215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843
observed 161772946a954b04afabad6278ad3063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.352698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/manifest.json
observed 261fde44377cde338d51391c609ac580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.327548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/publication.md
observed 75802208d513f78f77a4fc3a4b209260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:07.309778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/publication.txt
observed 7a9339d08ef8a8120443ef6408317fa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.070860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843
observed 161772946a954b04afabad6278ad3063...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.055211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/manifest.json
observed 261fde44377cde338d51391c609ac580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.038637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/publication.md
observed 75802208d513f78f77a4fc3a4b209260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.020405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083843/publication.txt
observed 7a9339d08ef8a8120443ef6408317fa8...
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.