OpenTechnical

OT-2026-000066187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066187) never changes.

Identity and time

Publication numberOT-2026-000066187 · never reused
Internal UUID01a0ae8e-8dc3-7914-8e0c-b7a6cfd6c7f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066187
StatusPUBLIC

Content hashes

Canonical text40e12be2e6780c5bf4a7f2ebedd068980f8922dc26fa5297d463631aeb8b7389
Markdown4737d2d97f180137a560b03009ce3f4352da972b8cc5e62326a68e77861c4b0d
PDF
Publication page0a16f6a9adbb1019ca4b332c65978aab6b87e6c81a8e5f385ef7a2248816404d
Manifestfcc41d097c1fd7c921eadabc4c6c6381e68b8f9ee29d07c940d96d300abf8359

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
SignatureLkYOyAUpN+jcfaFivPrjb1XbVAw9B2iCH+GVT9QPAtJZblQJkb6GVwqWkDzQ1rNEyfDdPpaoToXVsjtAx6GeDg==
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

2026-09-17T10:33:20.133743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066187
observed 0a16f6a9adbb1019ca4b332c65978aab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.114899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066187/manifest.json
observed fcc41d097c1fd7c921eadabc4c6c6381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.097840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066187/publication.md
observed 4737d2d97f180137a560b03009ce3f43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:20.080601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066187/publication.txt
observed 40e12be2e6780c5bf4a7f2ebedd06898...
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.