OpenTechnical

OT-2026-000005250

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three outlet manifold, ejector fed

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-2026-000005250) never changes.

Identity and time

Publication numberOT-2026-000005250 · never reused
Internal UUID01a0a932-cb30-7278-94a4-d9ccc0a4f61d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:51:13.458936Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005250
StatusPUBLIC

Content hashes

Canonical text51d601af2d1399a80eec8b0dbe04427b00222696a5c4501febeac5c49ad3870f
Markdown33cb61ef768e1433af9c836cbec0214f74454bf0f4d8db75331f2b5694dcd47c
PDF
Publication paged367995e54065093e2fea919cc10d82513f7b2c58c5c27b69a7ead7eb8210614
Manifestcbcd1e37bf93296d33a5cc9951d5faf9d49fb98881d1439924f34480b9a8cf8f

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
SignatureIiGRPnOG8qdzHSoC5JVgIYgMyB6hGc2yPxgD05YY5zLpKqf9O+s6/irFBiomj1j6RrvXMYKUjlfltbBwsdTsCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:30.665556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005250
observed d367995e54065093e2fea919cc10d825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.653866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005250/manifest.json
observed cbcd1e37bf93296d33a5cc9951d5faf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.640025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005250/publication.md
observed 33cb61ef768e1433af9c836cbec0214f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:30.625698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005250/publication.txt
observed 51d601af2d1399a80eec8b0dbe04427b...
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.