OpenTechnical

OT-2026-000044181

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, 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-2026-000044181) never changes.

Identity and time

Publication numberOT-2026-000044181 · never reused
Internal UUID01a0ae7b-d67b-7985-97c9-3541c77ab550 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044181
StatusPUBLIC

Content hashes

Canonical text4cecd8b12049c24d85abe1936eba15119ed7769a0eaf7a265b420f4405ab7084
Markdown7a67573a4bfe34fc38ba19844824bb5a2d394345bea8a40dd8ae39f75def7101
PDF
Publication page16802fe8160a2bc549a5ac5c0eb7227753107e5b1888a341433a42297d17f0a1
Manifestdce7768b214986bfc06cce0076c410ab28f34069cdf82fe08efe59f7591681ff

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
Signature6XHZf5Wf/Avpt2Rny8iRvDfQBCoeGQlZw4Yosky+pIbZID6kW7qbf2xywPWNyATiERYD8TGfgDRamHPU5qWVBA==
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

2026-09-17T11:12:37.011099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044181
observed 16802fe8160a2bc549a5ac5c0eb72277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.991435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044181/manifest.json
observed dce7768b214986bfc06cce0076c410ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.972079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044181/publication.md
observed 7a67573a4bfe34fc38ba19844824bb5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:36.950713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044181/publication.txt
observed 4cecd8b12049c24d85abe1936eba1511...
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.