OpenTechnical

OT-2026-000018129

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000018129) never changes.

Identity and time

Publication numberOT-2026-000018129 · never reused
Internal UUID01a0ae6e-b487-7b3d-bc64-40a380b79282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018129
StatusPUBLIC

Content hashes

Canonical text16f63ff89d1fd51513f4ea7bd41ace71967c432cf34d0ced99bfe928930cbb8f
Markdown0eb09847215829831493d166eaf7938122ed1503d8ec6c87c7d2f0485d0047e3
PDF
Publication pagea7ebd98208028d0fdbdb9365581c275a782367502d72a3d93ad82ce566047046
Manifest1fab09a14bb52c874781f04dda7fcf59e6694a403efd44f0570803534def28f3

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
SignaturediChE0dbTltkziVZbnNZzCmUB9P5Ygw0Icf2+1sTGkGzrCjAKCHHrbqqzGs8xWa2WLks81YQjAW7NZtqVYDKCw==
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

2026-09-17T11:59:52.259754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018129
observed a7ebd98208028d0fdbdb9365581c275a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.241854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018129/manifest.json
observed 1fab09a14bb52c874781f04dda7fcf59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.221147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018129/publication.md
observed 0eb09847215829831493d166eaf79381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:52.202287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018129/publication.txt
observed 16f63ff89d1fd51513f4ea7bd41ace71...
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.