OpenTechnical

OT-2026-000030433

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000030433) never changes.

Identity and time

Publication numberOT-2026-000030433 · never reused
Internal UUID01a0ae73-e503-7c9e-8370-f3c42399392f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030433
StatusPUBLIC

Content hashes

Canonical textd7aaae070cb7b722e3ff829cf0cce19bff95ca6152ca1fb2dbccb9a7901c1361
Markdown841f8d9d96b0150723f4b1298a36e518c92aba9c2d929d1acd923ef9992ae1a2
PDF
Publication pagecb18d0f6fc5d1a6a71f5cccb99b4900630d4ab93b9180d0c585f10f9a7e30797
Manifest87097a6735afa5d008242639d687aa7392abac196f15b51fa28fbfa4e1ff488d

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
SignaturewpO8zeah38GBWSu+Ydy9gwjxxcnNEY3GeCVZNi4k0zDTpjNcLYGoasFtyViUrAD4e6OUblTVZ2mMhC6Dkh3sAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:10.252839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030433
observed cb18d0f6fc5d1a6a71f5cccb99b49006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.233365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030433/manifest.json
observed 87097a6735afa5d008242639d687aa73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.215387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030433/publication.md
observed 841f8d9d96b0150723f4b1298a36e518...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:10.199534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030433/publication.txt
observed d7aaae070cb7b722e3ff829cf0cce19b...
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.