OpenTechnical

OT-2026-000007561

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, sustained blow-off before 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-2026-000007561) never changes.

Identity and time

Publication numberOT-2026-000007561 · never reused
Internal UUID01a0ae62-4df7-7547-94c1-4511f2bd4f89 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007561
StatusPUBLIC

Content hashes

Canonical text08896f09c9fada0e5aa2eb7f6ab9dcc27d333f7c74e64783ac2a289a1bc888d0
Markdownffad126bce693ceb53491bc04d23ddd36d3053b48680029e33697436aa6102ea
PDF
Publication page4b225227d8d272c678761d36a3f79867ccc66c9056f8646b529235290bf378e1
Manifest9aae069b16f8ce2b4d1ce5e24592505199487159d967f0c7aa8653b06207c4dd

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
SignatureF9TY8HtmU/Wrx+CN3VRawpBNGkq+OL27iNWo2iOlQfF7eHCz/o4ghXbWi3LhVBGz5PBmmNbd6uz4EVlZOjB+Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.436672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007561
observed 4b225227d8d272c678761d36a3f79867...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.420921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007561/manifest.json
observed 9aae069b16f8ce2b4d1ce5e245925051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.404322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007561/publication.md
observed ffad126bce693ceb53491bc04d23ddd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.387218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007561/publication.txt
observed 08896f09c9fada0e5aa2eb7f6ab9dcc2...
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.