OpenTechnical

OT-2026-000010331

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000010331) never changes.

Identity and time

Publication numberOT-2026-000010331 · never reused
Internal UUID01a0ae6c-0ee5-7034-8c87-586b7b8d7439 · 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-2026-000010331
StatusPUBLIC

Content hashes

Canonical textf5b6c0d2618b1e3b5960cba17af16bdca2b53e5c26ce883024b275fea98ad170
Markdownfc6aa92fd43607453118c0ecbf2216b591825871ffdff053bf5a99fce697b7ab
PDF
Publication page505075b033052edd4d5f983b84a81998a93e558f3ebc2e6f703eba6f40a046bc
Manifestac9f7090ff7333447c80c63b26221fdd812e6c42c751f40450eb1e296d5276cf

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
SignatureDHOk9OWaA/fInDYHYZuG8pDAYclo2tkK0lblgR7rhbmWKKSq4iF9tpc8iIuYMrPVR6OVL9RZJ6d8YvLRGcIyAw==
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

2026-09-17T12:14:21.071383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010331
observed 505075b033052edd4d5f983b84a81998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.049742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010331/manifest.json
observed ac9f7090ff7333447c80c63b26221fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.029510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010331/publication.md
observed fc6aa92fd43607453118c0ecbf2216b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.005206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010331/publication.txt
observed f5b6c0d2618b1e3b5960cba17af16bdc...
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.