OpenTechnical

OT-2026-000084148

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, vented 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-2026-000084148) never changes.

Identity and time

Publication numberOT-2026-000084148 · never reused
Internal UUID01a0ae98-5b5f-790e-bd92-f59d29cb0fa6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084148
StatusPUBLIC

Content hashes

Canonical textffbf506f4b946c112954caa4ddae73834467c6d37ffb4673b376623d7d81b8a0
Markdown7cd506e84de54d07255b6d27d97c95533c0b80bec59f9349a4f3d48fc8db848f
PDF
Publication pageed4acaca310393c3fd05ae641898965bc1fd9c4ec5cb86bac223e4e39ed891db
Manifest4e38d4aef88c2ea9fe70741d300656e7f7243c4b0605a39844bd6aa119f53952

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
SignatureIiHXSDYKE/8voG7nn+rID16VCEtNnUOmR5cwnr5Vd1UrAoPGpBsWPt/St2nrt8huGVGig4wFyPzLWQB4CvaaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:54.943029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084148
observed ed4acaca310393c3fd05ae641898965b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.924361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084148/manifest.json
observed 4e38d4aef88c2ea9fe70741d300656e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.906597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084148/publication.md
observed 7cd506e84de54d07255b6d27d97c9553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.889667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084148/publication.txt
observed ffbf506f4b946c112954caa4ddae7383...
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.