OpenTechnical

OT-2026-000047484

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line 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-2026-000047484) never changes.

Identity and time

Publication numberOT-2026-000047484 · never reused
Internal UUID01a0ae7f-3e58-7d07-929a-b8d1076e0c1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047484
StatusPUBLIC

Content hashes

Canonical text058f56c1fd3da97d784a09ab22b11989aea02bc7712438e51751bdce1e2ab6bc
Markdowne8550682c11d55b6d278686c9f48c1977f3984c92a89d40b34ce69f668e88a32
PDF
Publication page7578424b404cbe08561db1aaa1e18a67d7c0b1c7b8322690cc8d6d6d43827435
Manifestcd596bc5d8a110add7690804a0c09a2cbfa035adceca84c777c4cd4edd405379

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
SignatureWO9LfcYoMiGyOAoJoTnPd6YajAOguScN4HHivLWEaVkRqIX527RI6sKKLD4gJ/l/Twl5dR5SecWl/cfIWJPmCw==
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

2026-09-17T11:06:31.425918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047484
observed 7578424b404cbe08561db1aaa1e18a67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.408236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047484/manifest.json
observed cd596bc5d8a110add7690804a0c09a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.390217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047484/publication.md
observed e8550682c11d55b6d278686c9f48c197...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:31.371881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047484/publication.txt
observed 058f56c1fd3da97d784a09ab22b11989...
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.