OpenTechnical

OT-2026-000033948

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000033948) never changes.

Identity and time

Publication numberOT-2026-000033948 · never reused
Internal UUID01a0ae75-df0b-7c58-a518-e8337a0fef45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033948
StatusPUBLIC

Content hashes

Canonical textf9b17f2f369041bfe3f91dc12ab38db6a043acf8a5b805a53a9cf5e3772a4ebe
Markdowne5a5ff59443bdac960c3f2a50a2cd3e097dfdc190417865a316323e48e0380d8
PDF
Publication page1b6b374edbbae05e31227e2ebfd7100270db2a077898464b0c346658a54bbfb0
Manifest5e454eb726693ef002f10ff37e067358a7c029081a87013238bdd855c3fa06ea

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
Signature1t06KmHsusFeAd5UGp9RBEdqTL2r0qGAsF1NZlUh3STHp6OjLDLs+OB37/ns9KCDnff10gFNv7DQ6RjVTd31Aw==
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

2026-09-17T11:30:03.384015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033948
observed 1b6b374edbbae05e31227e2ebfd71002...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.363889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033948/manifest.json
observed 5e454eb726693ef002f10ff37e067358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.344536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033948/publication.md
observed e5a5ff59443bdac960c3f2a50a2cd3e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:03.327041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033948/publication.txt
observed f9b17f2f369041bfe3f91dc12ab38db6...
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.