OpenTechnical

OT-2026-000071169

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000071169) never changes.

Identity and time

Publication numberOT-2026-000071169 · never reused
Internal UUID01a0ae91-e0eb-7a0d-895a-2baafc123cc0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071169
StatusPUBLIC

Content hashes

Canonical text721a64172b6b6fbc6610c6c8cab7e07e5b224c67f11b690852112cdd9e987d7f
Markdown74f2eb0462d3c790c2a83cb5d393cd45dc79a9048ea14ccde2c32adc11d9fb45
PDF
Publication page76827b8f0243d8a29b706778198a11fe230d333ea6663db03ada3a770aa156af
Manifest31b8ed32059552b37bf49e7cb96b7a3d8af5c63c9310a5e990dab3b69056152c

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
SignaturevvHWP1kY3fckFdycjCEnOeQLnoG2wAYqZeX2H8RNxXF/lKUzmgKSMlW2BZW7q57l4EdVMzO/w3qe1e05RilrCQ==
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

2026-09-17T10:24:40.749953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071169
observed 76827b8f0243d8a29b706778198a11fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.733536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071169/manifest.json
observed 31b8ed32059552b37bf49e7cb96b7a3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.715309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071169/publication.md
observed 74f2eb0462d3c790c2a83cb5d393cd45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:40.697021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071169/publication.txt
observed 721a64172b6b6fbc6610c6c8cab7e07e...
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.