OpenTechnical

OT-2026-000100411

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, sustained 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-2026-000100411) never changes.

Identity and time

Publication numberOT-2026-000100411 · never reused
Internal UUID01a0aea3-66ef-771d-ad41-6161878cf3bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100411
StatusPUBLIC

Content hashes

Canonical textf93ecdfbc2b6ebe8727d97229909330338ed3b05c47846dd484180e0949959dc
Markdown22814460ea911f3fc131879754a0ad970cb441ce31d02fb640cab86121892153
PDF
Publication page51fdfdb40f1063b3b3340064f4417a97f4e2ff21825b98e1e30f76639bf85d43
Manifest803fee61058c2399116551985c826fe81b1ae62bdaa3da957e17352fbe8fbf5e

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
Signature02/0uUd7DcUVjg3zfS6tul6ghBGlC0yXxJPwz9lucdJnfJ7jSQnTFY+dw3tMAdwH4AKMdU10qMcU+LipSbCvCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:09.073573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100411
observed 51fdfdb40f1063b3b3340064f4417a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.056691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100411/manifest.json
observed 803fee61058c2399116551985c826fe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.035655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100411/publication.md
observed 22814460ea911f3fc131879754a0ad97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:09.015964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100411/publication.txt
observed f93ecdfbc2b6ebe8727d972299093303...
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.