OpenTechnical

OT-2026-000045793

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000045793) never changes.

Identity and time

Publication numberOT-2026-000045793 · never reused
Internal UUID01a0ae7d-8f05-7834-8c41-262965c3bc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045793
StatusPUBLIC

Content hashes

Canonical text3acaa9d194b3aca4f6800a33d36389d3d82fbe2032236c5148409eb5b17e75f0
Markdownc1fba3854d96b98495d631bc4198319605f66ba54640dc88d10df112787547f1
PDF
Publication pagec6c8446565afb167d316344e4382d01333ae7607b11a0eb35d1289415b507b0f
Manifest8e4972006f8ccb03f9275486c9ad6f8f331c9d79259b346297d4a75d4fcda7ec

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
SignaturecGiuszFj10ncyT06lZ9hNEDKFkgNFG0P9M2tmXhf4s/YapFBse84ettGKMFuZFZ0THC0PNmbBh5VwcckfxOvAw==
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

2026-09-17T11:09:39.455900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045793
observed c6c8446565afb167d316344e4382d013...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.437306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045793/manifest.json
observed 8e4972006f8ccb03f9275486c9ad6f8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.418032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045793/publication.md
observed c1fba3854d96b98495d631bc41983196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:39.399060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045793/publication.txt
observed 3acaa9d194b3aca4f6800a33d36389d3...
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.