OpenTechnical

OT-2026-000030844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000030844) never changes.

Identity and time

Publication numberOT-2026-000030844 · never reused
Internal UUID01a0ae74-3fb5-7317-9634-80c8e0b598d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:49.275361Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030844
StatusPUBLIC

Content hashes

Canonical textf9bdcfffedc884e4ed8d9e362ed89acdff5b6a3d4e02c5a04dfebb30aab78dfa
Markdownd60e61d8a29861a92563fc146c0a58f87070297e2337adf0f5da67579c0bc3c0
PDF
Publication pagec641628f3add1fd18524329d5d769b2222fbb330516bff855717ff92d99ee83c
Manifest5d805ad598c0dec9f4cb42eecdc0e730b370a06ba6b43dcbe85f3aaab4a2d9d8

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
SignatureF59prsLu2e+aDiusOTqeXHExtCx5RDKvZqN/WXzTuaKnuVYHJN/Gdq+eGCeCZ5A9sAtyqR7cancFG5QHTdvUAA==
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

2026-09-17T11:36:49.141936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030844
observed c641628f3add1fd18524329d5d769b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.124840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030844/manifest.json
observed 5d805ad598c0dec9f4cb42eecdc0e730...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.107102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030844/publication.md
observed d60e61d8a29861a92563fc146c0a58f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:49.090890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030844/publication.txt
observed f9bdcfffedc884e4ed8d9e362ed89acd...
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.