OpenTechnical

OT-2026-000090966

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000090966) never changes.

Identity and time

Publication numberOT-2026-000090966 · never reused
Internal UUID01a0ae9c-c011-7d1e-aba1-dc00588597bf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090966
StatusPUBLIC

Content hashes

Canonical text70a7c11b956ab390fdf9ea6fcd1c04b0a007db45cb47ebe07d85065b65005a08
Markdown9a328da91cc6f2eea47e71cff0f9bf0d3827a616e0c4f196d4719285b0354813
PDF
Publication page37608fe9bdf4c13a3e49835c3c2dbbb75b0ce3584d1f1bf167ca5f8722184d81
Manifest2cc0c293cd7c4532e7a447f13d9fd2f3622f97cf7be647294e3ed051b565307c

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
SignatureSthRojQ/PYQesZpFhSweTjQK4BxfpxxE2VddTuXqiRvR1GgVMbrDz93ey0O6r1wtRjOpqzzhc6aTGeO60l3CCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:44:11.432123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090966
observed 37608fe9bdf4c13a3e49835c3c2dbbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.403814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090966/manifest.json
observed 2cc0c293cd7c4532e7a447f13d9fd2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.386244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090966/publication.md
observed 9a328da91cc6f2eea47e71cff0f9bf0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:11.356262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090966/publication.txt
observed 70a7c11b956ab390fdf9ea6fcd1c04b0...
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.