OpenTechnical

OT-2026-000067402

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000067402) never changes.

Identity and time

Publication numberOT-2026-000067402 · never reused
Internal UUID01a0ae8f-6bd8-72b0-8f2e-d0996315f662 · 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-2026-000067402
StatusPUBLIC

Content hashes

Canonical textd15d8f033a5f3374a15167c49e59a8cd2eb5dfc812e7817af666e26c8802cc03
Markdownfc93465b42d34de29ad0c4d231431539a66f073b2bc8294b753c76fcdec46b55
PDF
Publication pagea93bfb02dde15b74d4753f1a572f8bf8d56682677c762f2334d2e3141ccff935
Manifestcbb23fad1bb9addbe95a77dbb79809f323527df81cbd310ced730ad418ba616b

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
SignaturetWqnACWUcavnzK2rhB8keYspGLJaL+XNDSDQfDCrVPHSHjjT+dqFh0wmEe+r6B2jKxxBYXGAAuwWkU6TBsmeBQ==
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

2026-09-17T10:31:35.754065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067402
observed a93bfb02dde15b74d4753f1a572f8bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.738101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067402/manifest.json
observed cbb23fad1bb9addbe95a77dbb79809f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.721392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067402/publication.md
observed fc93465b42d34de29ad0c4d231431539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:35.702680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067402/publication.txt
observed d15d8f033a5f3374a15167c49e59a8cd...
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.