OpenTechnical

OT-2026-000095421

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000095421) never changes.

Identity and time

Publication numberOT-2026-000095421 · never reused
Internal UUID01a0ae9f-8f72-7665-9084-5bb227116b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095421
StatusPUBLIC

Content hashes

Canonical textd2164e696e4dfdeb84c9383e93515bfa114f75553a1e5fc1d6899ddf9ab88aa4
Markdownceacd20434341e3d45aa103ddab44a1895bfdf44bfe82a88ae141882ee74eebb
PDF
Publication page803fa059a30621b723bdccb40c50620863768c9b7fab3187cab75f022277c28f
Manifest2e0f0f9302eb0c7dccf8f01ebc04d62e4dd13303753bd27b34d604aee122d384

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
Signaturec6SfAvz9UOMrmH2haVm4yQTwh7UWQClFnrDkFX/hqK1ZMf2E3X34Y3nMD793Qp2fp/5FG0pDnyMYRaIzGtQZDQ==
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

2026-09-17T09:36:48.008794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095421
observed 803fa059a30621b723bdccb40c506208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.990703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095421/manifest.json
observed 2e0f0f9302eb0c7dccf8f01ebc04d62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.973693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095421/publication.md
observed ceacd20434341e3d45aa103ddab44a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:47.955442ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095421/publication.txt
observed d2164e696e4dfdeb84c9383e93515bfa...
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.