OpenTechnical

OT-2026-000038181

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000038181) never changes.

Identity and time

Publication numberOT-2026-000038181 · never reused
Internal UUID01a0ae78-2d50-73ad-92c1-27076b5b59ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038181
StatusPUBLIC

Content hashes

Canonical text87fd6aca8b0454a3b2b1a720427af9d1e452ad4afb4d4c910690b9fc62ba1d90
Markdown110fca8c03642701b6d376a26a68da0e5301b5344344b987f6b2488232de09ec
PDF
Publication pageccbc3aee2654f738e648c1efbd57575dea058cf74b6f4676aa84caa8b4c8e76c
Manifest8e9da6c66260977b18561436e23e3ec4dc3c3bff7bedecdf2f98174a02f3a603

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
Signature7TPGdm1z9IFwvaPJIQdd4ladBywBR20CGuXtjndygM+1vkNOhreg8uaeOTzNgpna+C97N5rcjIFAEzZyK2bmDw==
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

2026-09-17T11:22:18.389159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038181
observed ccbc3aee2654f738e648c1efbd57575d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.371708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038181/manifest.json
observed 8e9da6c66260977b18561436e23e3ec4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.354520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038181/publication.md
observed 110fca8c03642701b6d376a26a68da0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:18.337154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038181/publication.txt
observed 87fd6aca8b0454a3b2b1a720427af9d1...
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.