OpenTechnical

OT-2026-000043858

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, 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-2026-000043858) never changes.

Identity and time

Publication numberOT-2026-000043858 · never reused
Internal UUID01a0ae7b-d677-7ded-a0c9-b7eb9238c8bc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043858
StatusPUBLIC

Content hashes

Canonical textc824532f10cdd7fc6b244c0ee2b7fa8ed3c73c3ffdc3aeb091ccccad6b12b50d
Markdown5063c8a1cf79c4c8d3795b5bd91fb38decafdc8d72ee03da235384e924923320
PDF
Publication page1ec517af6a9e6c7d59172f2f881e5ec61808248f6d0dad8edd760ab0e80a545d
Manifest07a89d52badaecdcc23917c89f88b8ed1eab3ba723bde0bdc868e9f480459bff

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
SignatureH6DUH2JT86lYCp+VOEwrLoI6/2arFb/t76TkrUrN9pyOyoBSj9ZpkJwyqUzs+MUOC9ZhT3OXoFmNSs4YwhGgDg==
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

2026-09-17T11:12:10.687088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043858
observed 1ec517af6a9e6c7d59172f2f881e5ec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.668289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043858/manifest.json
observed 07a89d52badaecdcc23917c89f88b8ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.645719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043858/publication.md
observed 5063c8a1cf79c4c8d3795b5bd91fb38d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:10.626224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043858/publication.txt
observed c824532f10cdd7fc6b244c0ee2b7fa8e...
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.