OpenTechnical

OT-2026-000006513

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, ejector fed, pressure verified, plastic cups, 1 fold

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-2026-000006513) never changes.

Identity and time

Publication numberOT-2026-000006513 · never reused
Internal UUID01a0a95d-d7c0-7378-a6ee-3955c37dbabd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:14.723217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006513
StatusPUBLIC

Content hashes

Canonical text5c968eb637f5356fb4397f62a05deb1fd850b68369e3e434f749591e1570187e
Markdown3dd199a38b4441c39cacbc6a4cda444a1566852affc838484d42a79626290c05
PDF
Publication page0da4a5906dfbcad96a641025460a1fea2fb84456b41e7fdd2c7dfa5d06ed7909
Manifestf802f94cf09094649927c947f61d64f98e8e55cb3acd77084eedb19530f4eb42

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
SignaturecTRTcOJH1t/+PrmjoadY6oGvjFltoP07LJ8YoRYGdHyEDArEVM9FZsPPjGrx3GffjIuzEcQby28bWRCwlGWcDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:08.897240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006513
observed 0da4a5906dfbcad96a641025460a1fea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.882164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006513/manifest.json
observed f802f94cf09094649927c947f61d64f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.746258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006513/publication.md
observed 3dd199a38b4441c39cacbc6a4cda444a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:08.716657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006513/publication.txt
observed 5c968eb637f5356fb4397f62a05deb1f...
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.