OpenTechnical

OT-2026-000008202

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, vented 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-2026-000008202) never changes.

Identity and time

Publication numberOT-2026-000008202 · never reused
Internal UUID01a0ae6a-908c-7ee9-be4a-c787202d7d28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008202
StatusPUBLIC

Content hashes

Canonical text66ed04770e0e3be515a403b49b1d10bfaa972c932fbdfd9881b7874308a4676b
Markdown52348c8d06293a0c7df1ae2271100f3fe2375e58f79b887cca400e443b95e907
PDF
Publication pageb01294acc0a4be955d4f9289db18c9a2e5d41f323e363deaab147c452f7b0891
Manifest22a82ed2099f2dbc2e0d80f0cdd1f1f3c6a71e26ee8504de4df140abb08b275d

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
SignatureUEg2f9K/V5hKYKCJpxnOXpSPAB62kevsl8s+fiXqPM1zut4YfQBlTjLsDuvI7iygI6b/t+SAc3YNDSpVvRTbDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.560030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008202
observed b01294acc0a4be955d4f9289db18c9a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.542533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008202/manifest.json
observed 22a82ed2099f2dbc2e0d80f0cdd1f1f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.523128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008202/publication.md
observed 52348c8d06293a0c7df1ae2271100f3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.505504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008202/publication.txt
observed 66ed04770e0e3be515a403b49b1d10bf...
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.