OpenTechnical

OT-2026-000033384

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000033384) never changes.

Identity and time

Publication numberOT-2026-000033384 · never reused
Internal UUID01a0ae75-8980-743c-8fee-152d19581587 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033384
StatusPUBLIC

Content hashes

Canonical text85b02c4524d29f9249c3fa7a96363c7d6f415fdfe22731fb888d16f9cf70a838
Markdown3b16d455c9dbae915669b0e1fc7b4fe418e5dc82e42da20c93859a5906a88ce5
PDF
Publication pagee4616fd95211e6b9ecf20dbc9418a057e51cc169b5853e384bd9d111e1c5af30
Manifest5c027e117e3dfc77132b7aebebe06d173c603379cf10433ad7561b448a571cb9

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
Signature7toFBDe7GWD4ZsdE0k0Pr5hdNuuIHgNeYIAJ006n/bKGhAV2eEC4dUoXcehWzJExo9GezGXlDO/F5HftM03ZAw==
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

2026-09-17T11:32:09.519417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033384
observed e4616fd95211e6b9ecf20dbc9418a057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.502692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033384/manifest.json
observed 5c027e117e3dfc77132b7aebebe06d17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.486637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033384/publication.md
observed 3b16d455c9dbae915669b0e1fc7b4fe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:09.467119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033384/publication.txt
observed 85b02c4524d29f9249c3fa7a96363c7d...
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.