OpenTechnical

OT-2026-000040593

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000040593) never changes.

Identity and time

Publication numberOT-2026-000040593 · never reused
Internal UUID01a0ae79-6d0e-7b80-9e8d-ef468479cee2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040593
StatusPUBLIC

Content hashes

Canonical text9aa74768d69f19d16aa4f51e780e9d0ad8535b5c94b8ab66f2d397317dadd3d3
Markdown4018ab2375e8f3b1dd13d267ea9bcd29010291e363f7d7da59df3f69b1d5141d
PDF
Publication page90978e62adb40a554be6e748e22269da6c363fdf12e88af97c387054c16853e1
Manifest04eed1a1c8b86b4043b21cc9670fae591642d07aa36587814dcf0f1ac52d503d

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
SignaturetA/rKO+t/WS5RuSyfAKTl06aIKqzPRLJWhpLmSRbxlTVLop9GWOtTDrSVes+WPbSKRNESULv9GAQEwDgtJAeCQ==
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

2026-09-17T11:17:45.850277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040593
observed 90978e62adb40a554be6e748e22269da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.831487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040593/manifest.json
observed 04eed1a1c8b86b4043b21cc9670fae59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.811849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040593/publication.md
observed 4018ab2375e8f3b1dd13d267ea9bcd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:45.793533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040593/publication.txt
observed 9aa74768d69f19d16aa4f51e780e9d0a...
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.