OpenTechnical

OT-2026-000068702

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068702) never changes.

Identity and time

Publication numberOT-2026-000068702 · never reused
Internal UUID01a0ae90-2483-7bdc-af07-2ac36490082e · 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-2026-000068702
StatusPUBLIC

Content hashes

Canonical textafc78af81d7536445a830d8e6d09d56cfa0bdd2329f0c8c15284aaaa2d0d684d
Markdownf6fff02620110ff5500f12d231119980f82e54bf9562b432d0445e57d868e0a3
PDF
Publication pagef7a1e9397088afcc593327aa86b0e778f3b4f5a60d25cecc12dd05ffb8257130
Manifest99b76d3b3d17a81c6681d157ee8394be120e44ddc32e05c1d7aab619f1169d67

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
SignaturewD8Z9OO9KZdixLSQ2Ed5qRLXjHEJ/zZmurBt7wEzuE9le5WUT17u0AbPep+GoQ7GwlFisoeClkDW0sfJGUJxCQ==
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

2026-09-17T10:29:54.611605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068702
observed f7a1e9397088afcc593327aa86b0e778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.593857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068702/manifest.json
observed 99b76d3b3d17a81c6681d157ee8394be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.575722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068702/publication.md
observed f6fff02620110ff5500f12d231119980...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.557290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068702/publication.txt
observed afc78af81d7536445a830d8e6d09d56c...
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.