OpenTechnical

OT-2026-000066079

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000066079) never changes.

Identity and time

Publication numberOT-2026-000066079 · never reused
Internal UUID01a0ae8e-8dc2-725e-987f-13d4e6156d64 · 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-2026-000066079
StatusPUBLIC

Content hashes

Canonical text2dfb0bddef2fb99a57bb6766afaeeaf883b1f84d5ae72f516506a55f8478697e
Markdownba379b1283ef076e89a54d1e7e07bc2f4cb6b434be2bd0eb0fd08b81ef2b3c19
PDF
Publication pagef61d67f48c6a5bc909c7efefcb01b1c6f1f6030dfbd7a0d35f7d6ee70460ab6a
Manifest13eeca0709ab65e868cdf276512e8f0acd84d994b008e3b19fcdbd4de905c0ea

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
SignatureiOnvGVcCieURFeQTNjYpZntFAMKZ7bAUbA0nydVliwlaRly0XL82FjkcuA+YB4xNLqnlydoI5Ov7mQDm7CTXDA==
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

2026-09-17T08:50:44.546625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066079
observed f61d67f48c6a5bc909c7efefcb01b1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.528952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066079/manifest.json
observed 13eeca0709ab65e868cdf276512e8f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.510177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066079/publication.md
observed ba379b1283ef076e89a54d1e7e07bc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:44.491767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066079/publication.txt
observed 2dfb0bddef2fb99a57bb6766afaeeaf8...
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.