OpenTechnical

OT-2026-000022619

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three 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-2026-000022619) never changes.

Identity and time

Publication numberOT-2026-000022619 · never reused
Internal UUID01a0ae70-46e8-76e6-83b2-137d0466fff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022619
StatusPUBLIC

Content hashes

Canonical textdd2be8668d5882540f4a1e035a9721440ca6f317642449eec89cfdb4c2479549
Markdownb3771b3d006a9d28760436854f9c18b81c6bd860105f4f0b12c7821f6ae6cde7
PDF
Publication pagee29973db9840bf3b6789845b484ee9d86f623ea347162e6e0ca4e7c1285417c8
Manifeste5e2f4581ef861ef737eaee30e7de685422cd03743c3675d80db0163bdf760ed

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
Signatureo9KHT5q79LW+iAAp+DoA8ZcsCN3TkgQAo50dZkC2MyCsuZMbxVjha9yuwvYEij6QWDCGf21c76rsbEs2i92PBA==
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

2026-09-17T11:51:59.510849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022619
observed e29973db9840bf3b6789845b484ee9d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.491617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022619/manifest.json
observed e5e2f4581ef861ef737eaee30e7de685...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.472401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022619/publication.md
observed b3771b3d006a9d28760436854f9c18b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.452894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022619/publication.txt
observed dd2be8668d5882540f4a1e035a972144...
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.