OpenTechnical

OT-2026-000046520

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, 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-2026-000046520) never changes.

Identity and time

Publication numberOT-2026-000046520 · never reused
Internal UUID01a0ae7e-57dd-71b8-b6dd-94820c28d346 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046520
StatusPUBLIC

Content hashes

Canonical texte9067b235ad2906d505736060ed33727ef0c6d9924c8167812d4883db2adfa1e
Markdowne9bff0ab7a49c41dfed64fb0b6d16b0184471968c4d73fe4bdbc40361ec20038
PDF
Publication pagec042f4c9e04755a8b75b94fdfc251af61b1b4d83c9e67919aa18fe3538513077
Manifest595d151c7940c937cfad63ee426f129f86c3ea35b9282737f5414e3f748fea04

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
SignatureEj4j93Ncy+hkDDE9/OYwsmzcLass39l5pwdCHE7YeilStEfnlG/0pn/e8992ANfhEoA9jN3e98BAWxcfdFyMAw==
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

2026-09-17T11:08:34.068786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046520
observed c042f4c9e04755a8b75b94fdfc251af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.048170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046520/manifest.json
observed 595d151c7940c937cfad63ee426f129f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.026440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046520/publication.md
observed e9bff0ab7a49c41dfed64fb0b6d16b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:34.008115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046520/publication.txt
observed e9067b235ad2906d505736060ed33727...
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.