OpenTechnical

OT-2026-000018848

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold 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-2026-000018848) never changes.

Identity and time

Publication numberOT-2026-000018848 · never reused
Internal UUID01a0ae6e-d521-7329-bb83-45bdd35b83cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018848
StatusPUBLIC

Content hashes

Canonical textdcd57e073899129ded50452c0d5b3d7722c2c0dda7d776d4a854b4d676da7902
Markdownb529ead6d8e893d0c9c83fea333cebd412facd6395fd897597b1fd2afecca655
PDF
Publication pagec86424ab4ec625244e4c3788578a2078925d2688af052da3715c9ed948ed72ce
Manifest12b318ac9ab7ff81be93d96703222e09a85fe8e5b3e32d57d8a45a438801dea2

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
SignatureghxyI4JyQuXyFRf9VsdDEyc0aSLsOHkoldgKTT7gdP8khiYvj32rJyZIm6rMqbLmLwkObqi0jd2fglqfthEOBw==
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

2026-09-17T11:59:29.237521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018848
observed c86424ab4ec625244e4c3788578a2078...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.219836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018848/manifest.json
observed 12b318ac9ab7ff81be93d96703222e09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.199496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018848/publication.md
observed b529ead6d8e893d0c9c83fea333cebd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:29.180791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018848/publication.txt
observed dcd57e073899129ded50452c0d5b3d77...
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.