OpenTechnical

OT-2026-000033169

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000033169) never changes.

Identity and time

Publication numberOT-2026-000033169 · never reused
Internal UUID01a0ae75-4844-77fb-aa66-ee22c9529597 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033169
StatusPUBLIC

Content hashes

Canonical textbef5aeb127e06035341f4340cb1da3127471572f891a49074b117166fcf5a833
Markdownb3b653c34141f3bf8cfdcbd5439cf9e6a15a5881729b9abf85972b948207df47
PDF
Publication page28e4e549603dc788e1230fc633f7848a33ba6ceeea267fb19622faf9f586a05e
Manifest4beab5956f02054fad76469eeac89c1b2f21326aecad442199c437918614c659

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
SignatureRO4zChXnoMEFF2XWKkwFZ5nuWPHphivKZnfcHcnWJn0qkA/AYLoukeQ/fzzs8gaM51MlhkEmVc6yXORz6H/8Cg==
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

2026-09-17T11:32:51.614641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033169
observed 28e4e549603dc788e1230fc633f7848a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.595951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033169/manifest.json
observed 4beab5956f02054fad76469eeac89c1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.577123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033169/publication.md
observed b3b653c34141f3bf8cfdcbd5439cf9e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:51.559135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033169/publication.txt
observed bef5aeb127e06035341f4340cb1da312...
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.