OpenTechnical

OT-2026-000067414

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, vented 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-2026-000067414) never changes.

Identity and time

Publication numberOT-2026-000067414 · never reused
Internal UUID01a0ae8f-6bd8-704d-8379-053324a3a385 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067414
StatusPUBLIC

Content hashes

Canonical text7d1f0bbc03c9d6d18ed3ce47e504f422582f11f844393d44fb8a98de0d997c7b
Markdownf27247f30b9576c0c021d2f73c6e1332f29fec72937ee7d29f29d33202112c6f
PDF
Publication page2b5da5589385e52990c95376039ed3bb023b19e2f0d5b7e89fb29f3503bc6105
Manifest8b3e100dde9b3858bc7a26da06c2b5d366748dbf849bd861c841cb05c7951a35

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
SignatureqCeyOtlLjBVnQLYsAssc6C9sc08s5zVoix3KzvsJOcHc0kYoie9G/YiwA9nlsTHVhLg/XEUwcMTE3pQeIsfMBg==
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

2026-09-17T10:31:36.660723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067414
observed 2b5da5589385e52990c95376039ed3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.644117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067414/manifest.json
observed 8b3e100dde9b3858bc7a26da06c2b5d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.626604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067414/publication.md
observed f27247f30b9576c0c021d2f73c6e1332...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:36.608500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067414/publication.txt
observed 7d1f0bbc03c9d6d18ed3ce47e504f422...
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.