OpenTechnical

OT-2026-000092722

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000092722) never changes.

Identity and time

Publication numberOT-2026-000092722 · never reused
Internal UUID01a0ae9d-b600-7833-bcd6-93c405b3a668 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092722
StatusPUBLIC

Content hashes

Canonical textc4339af41bed19179d23ca14d9ffba62ad07c93cd5e59fb4692c40fb10a0325d
Markdown10b3952d74ddb024ee86345f2d44696204b67a6bf2659d962d07a129a3581b3a
PDF
Publication page3279c0077525a35e0b4029fe3ccd3c9b6836545d21051a55dc38cc0aaed99645
Manifeste474241cc45dbb8d4f974bf048e94c4993176679af74f3c1d0dc5e2e215b7e8a

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
Signature2QrEQhjSXczMBt6jjxAc8+G5N0Rxu7Ed/3pg1IxFgH5cbCvQz0oAn6b0emr7hozY4qYygDJLo7fi83Uz4u4wBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:20.673016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092722
observed 3279c0077525a35e0b4029fe3ccd3c9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.656954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092722/manifest.json
observed e474241cc45dbb8d4f974bf048e94c49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.637467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092722/publication.md
observed 10b3952d74ddb024ee86345f2d446962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:20.618972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092722/publication.txt
observed c4339af41bed19179d23ca14d9ffba62...
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.