OpenTechnical

OT-2026-000041425

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000041425) never changes.

Identity and time

Publication numberOT-2026-000041425 · never reused
Internal UUID01a0ae79-b145-7a7f-8d0f-0ab875cc39b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041425
StatusPUBLIC

Content hashes

Canonical text69f182171bb4525a76e96b79a35bc745978d8454bf5166f37ef83bcd8e7254cf
Markdownafb73a2b7796a328f139864bf5770f2757762f79ed9aaae872e9d973ff97f3a0
PDF
Publication pagee4e95a6787fcc28213f17a025e7e91f36801022c32e30fa7fb518df185e1c3e9
Manifest3de8c2a1b7c054ba8dc60c80570f5d6ee631abedbe2ebf481b1fdd3f679cf2b1

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
SignatureIiTWqcEpq02JXiwdWhiZvCqAk0f17tpxbx9eIntTmgHNOwzzcSHBZUtpeEKYOUn4C7Z9tCMbtUhS+K4p15oBDw==
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

2026-09-17T11:17:26.608961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041425
observed e4e95a6787fcc28213f17a025e7e91f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.589809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041425/manifest.json
observed 3de8c2a1b7c054ba8dc60c80570f5d6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.571226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041425/publication.md
observed afb73a2b7796a328f139864bf5770f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:26.553092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041425/publication.txt
observed 69f182171bb4525a76e96b79a35bc745...
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.