OpenTechnical

OT-2026-000044378

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000044378) never changes.

Identity and time

Publication numberOT-2026-000044378 · never reused
Internal UUID01a0ae7c-39d7-7a26-bdad-853a4e98e7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044378
StatusPUBLIC

Content hashes

Canonical text5c35687d91c5693fc1925d69014ff196b2b99c6007c8d4355c598e6d26991efe
Markdowne2d790a35b7e147eb2b796ee0da5f67eaa7db90bfe463beced198e568a774e7f
PDF
Publication pageba196124764c8e37bf36f9eb599d5fb2b3f42c8b11af02f44ffbaa251f8022d7
Manifest96774fa880e4390eb4795bce616f4afba424a02e9df5bd53e3116b9dd7a48d26

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
Signature/lfBqftSKWELzgsiZ+nnYPS3CZZHEs5/3kh9alzvJlg7J8URZHm8vIKvcrwtUUbbFHk7llS9OK7WUfrbRrsSAQ==
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

2026-09-17T08:30:33.742301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044378
observed ba196124764c8e37bf36f9eb599d5fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.573685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044378/manifest.json
observed 96774fa880e4390eb4795bce616f4afb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.557712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044378/publication.md
observed e2d790a35b7e147eb2b796ee0da5f67e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:30:33.541597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044378/publication.txt
observed 5c35687d91c5693fc1925d69014ff196...
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.