OpenTechnical

OT-2026-000028363

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000028363) never changes.

Identity and time

Publication numberOT-2026-000028363 · never reused
Internal UUID01a0ae72-e2f5-70ea-9455-d7356596c718 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028363
StatusPUBLIC

Content hashes

Canonical text0fd3c5b6f7e5e07e896713fcc7fedc0287960decfc16ef2060e25314b7bed5e2
Markdown06a0907f0fa207846eec3970c0953398be979c528406ec3bb56d3f05e030ccbf
PDF
Publication page68566d9cd52913c1729afb075b07733c9e511e3e7de2907ca108c87e57f8db41
Manifest1732e6ca8a262522776424eb4160059aa55bb56f9273fddf4f9216dd13319f9e

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
SignaturecDtUPAiQ5CcWpSnuJwCxQnTln57r72fkTmiFHpn9SYz9wzU4iSdrsHIK6gFSMZRifqc44M4pTwPdO9zRiQFFBQ==
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

2026-09-17T11:40:22.689842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028363
observed 68566d9cd52913c1729afb075b07733c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.669678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028363/manifest.json
observed 1732e6ca8a262522776424eb4160059a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.652977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028363/publication.md
observed 06a0907f0fa207846eec3970c0953398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.636053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028363/publication.txt
observed 0fd3c5b6f7e5e07e896713fcc7fedc02...
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.