OpenTechnical

OT-2026-000068404

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000068404) never changes.

Identity and time

Publication numberOT-2026-000068404 · never reused
Internal UUID01a0ae90-2480-7389-a273-e8523d264687 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068404
StatusPUBLIC

Content hashes

Canonical textc288d732f65ef2e7ed5b98f8c662c7dba9735954cce211f02b6e8b23d2211545
Markdownc15944d2e5d4f90c7210c5b8073a1cfbc54ca9aa051f7f744cef8facbab9a3e6
PDF
Publication page400de3adcfe8a960b7a42de3b1b5c7a1f036665bac2ac7d14a204da2699be85c
Manifest9180b186aff2277d1d63121b8241745bfc297d3b9983f734353d4d7a69d9154c

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
SignaturePZ6Ag1p7NG6sKJ9Ucri4dzuyU4z4ugHSkaE2RqYv6Yheyopjb1vImBOvI14d5tFVpGrDC+5uFFWDltihzoiUBg==
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

2026-09-17T10:29:32.102509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068404
observed 400de3adcfe8a960b7a42de3b1b5c7a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.084112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068404/manifest.json
observed 9180b186aff2277d1d63121b8241745b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.061140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068404/publication.md
observed c15944d2e5d4f90c7210c5b8073a1cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:32.042343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068404/publication.txt
observed c288d732f65ef2e7ed5b98f8c662c7db...
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.