OpenTechnical

OT-2026-000069722

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069722) never changes.

Identity and time

Publication numberOT-2026-000069722 · never reused
Internal UUID01a0ae91-185e-7fb5-8ed6-87f2605cd67a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069722
StatusPUBLIC

Content hashes

Canonical text081feacd8b5fdabac031e766535f59610520fafc59945a933196992013f18e25
Markdown5081471795e607f09d0c9afb6df3218d7bf9b063b843940ca221b6e2cc82eae6
PDF
Publication pagec8c41de4a620238c98cc6f721ef922d30bea17c6814552b93695112426f59923
Manifest5839fd76d2d4ba11b817fd982a82bfba94f5cfcd38ed9379ca8ab571d1b57c7d

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
SignaturehBkHFBYOvV0XoXdc3fW+BAo7wJC4uD8Q9tPUsMp7mybVZr82AyNCpQdIsQzJQuR/O1OreapY285//FDHiOaaDg==
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

2026-09-17T10:26:31.837180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069722
observed c8c41de4a620238c98cc6f721ef922d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.818816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069722/manifest.json
observed 5839fd76d2d4ba11b817fd982a82bfba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.801878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069722/publication.md
observed 5081471795e607f09d0c9afb6df3218d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:31.785224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069722/publication.txt
observed 081feacd8b5fdabac031e766535f5961...
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.