OpenTechnical

OT-2026-000084069

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000084069) never changes.

Identity and time

Publication numberOT-2026-000084069 · never reused
Internal UUID01a0ae98-5b5e-7c13-83e5-edf22e5eb50c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084069
StatusPUBLIC

Content hashes

Canonical textdf7fa1f3f1e8679732ebfcdcef3bff2bfc6b6c518056ed83436b72f854df25ce
Markdownd84cf5e61da393fee158638ad57252c389c41ab5fac8529f440033fe50f62869
PDF
Publication page51e95761fb2d91bae9aa18afc3ed8c81c0b3410b14dfc726e0c156c577bb32a9
Manifestb25981782eab2abd7632ce43c55b1246b7d8e57111df3cfb1067725c28d4594f

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
SignaturedqKKzS7sPM8HsyVo6XKTxA9EcPx6qo4A4Kz7K8JpSLob6oYjWg5UB61tgeCmb4wUM+NokuOP12OBs+3pe29mDw==
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

2026-09-17T09:55:48.476191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084069
observed 51e95761fb2d91bae9aa18afc3ed8c81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.456564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084069/manifest.json
observed b25981782eab2abd7632ce43c55b1246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.437443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084069/publication.md
observed d84cf5e61da393fee158638ad57252c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.418571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084069/publication.txt
observed df7fa1f3f1e8679732ebfcdcef3bff2b...
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.