OpenTechnical

OT-2026-000033358

Publication integrity record

Foam pad vacuum gripper, two stage ejector, pulsed blow-off after 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-2026-000033358) never changes.

Identity and time

Publication numberOT-2026-000033358 · never reused
Internal UUID01a0ae75-8980-71a6-a36b-e99a598f35a9 · 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-2026-000033358
StatusPUBLIC

Content hashes

Canonical textbdc9ce18e110d71414692054241c39d0b30466fa613c2c82e0d48b64fb6b1c7e
Markdown4db89aa9939c0c6a81f74d7aef4ce69e3a4bb0fdf114b19c9dc756906fa96998
PDF
Publication pagedd9237119de996f9c3807f36f131a69f24fc8cb67cb03ab283e24fd3f2ebb381
Manifestbed5245ab4fdccfc7b9c9296aee0119aff8c793e169ea2614cd4e234f469067b

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
Signature57do7pWEJ5qWEnGOqOpz4P3uY//4aTse9nQIHy1aR1sOWEZUdd0HjbYMEhUAw1oRScwXfl14xdRo/+IKIJKQBQ==
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

2026-09-17T11:32:07.406312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033358
observed dd9237119de996f9c3807f36f131a69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.386524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033358/manifest.json
observed bed5245ab4fdccfc7b9c9296aee0119a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.367376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033358/publication.md
observed 4db89aa9939c0c6a81f74d7aef4ce69e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:07.344586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033358/publication.txt
observed bdc9ce18e110d71414692054241c39d0...
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.