OpenTechnical

OT-2026-000022427

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pulsed blow-off before 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-2026-000022427) never changes.

Identity and time

Publication numberOT-2026-000022427 · never reused
Internal UUID01a0ae6f-f4fd-7d8d-876f-eb33470a726e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022427
StatusPUBLIC

Content hashes

Canonical text8c6833efdf7b38583836f3ea2042aa3c65fe5e69d2e4f021bc01b03856a5e8ad
Markdown734503a9032d0a848b1c4047625a67b4ae664a783eb5b6e671fc0329634d8402
PDF
Publication page92315b2171e09be67b0f056e24d61f76f51ef3b35353a5c3fe8666f532a9b52e
Manifestc2c996efe5dc13f08dd4b977ad353fe6d272fcd0ea01f93dd62e7e4f413df07d

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
SignatureqQl9Z9UY2gb2Jg8SYKh1MI2mixwOQSISglCqCQxtt8we59xJfnk7/tTi1GMSp5fpCGZ+KJumQPAqRvAwr/WzBQ==
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

2026-09-17T11:53:49.063568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022427
observed 92315b2171e09be67b0f056e24d61f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.047337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022427/manifest.json
observed c2c996efe5dc13f08dd4b977ad353fe6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.031372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022427/publication.md
observed 734503a9032d0a848b1c4047625a67b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:49.015794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022427/publication.txt
observed 8c6833efdf7b38583836f3ea2042aa3c...
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.