OpenTechnical

OT-2026-000010391

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, vented 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-2026-000010391) never changes.

Identity and time

Publication numberOT-2026-000010391 · never reused
Internal UUID01a0ae6c-0ee6-7429-9aa6-2823a4b4c9a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010391
StatusPUBLIC

Content hashes

Canonical text9c9b47bcddd305400fdfb6ae33c90faf0e322c7283a6811166c212544d5d0314
Markdownd428100b0c2672ea62a93a71cddf074fdae5bb4bd33fb689f0dff448ac3ef7bf
PDF
Publication page66618f328ccc8395a1da0d884540f899640aa0f2dc56c6b4415a46f041c80c8b
Manifestec3b8ac7420e7ba31f4d44369aae3bf313ef7bf6a04042656019781c10bf079d

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
SignatureHkeEG64VGgB2owTiS6mSnS6/1aHCIav4783Y7zjX24Dbn+R6R693Cyk1GARS8MSZVx5upt5Csde7nBJJW5fYAw==
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

2026-09-17T12:14:17.658037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010391
observed 66618f328ccc8395a1da0d884540f899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.638175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010391/manifest.json
observed ec3b8ac7420e7ba31f4d44369aae3bf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.597970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010391/publication.md
observed d428100b0c2672ea62a93a71cddf074f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:17.558589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010391/publication.txt
observed 9c9b47bcddd305400fdfb6ae33c90faf...
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.