OpenTechnical

OT-2026-000032870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000032870) never changes.

Identity and time

Publication numberOT-2026-000032870 · never reused
Internal UUID01a0ae75-4842-77ad-9398-16dd7edb14c0 · 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-2026-000032870
StatusPUBLIC

Content hashes

Canonical text152e0944eff5554f09311ff9675819dabd8f07bbd0cbf425b8b1be757ea0b7d9
Markdownbe975fda7775453e0f79d99e977befd03f5407608c75f5e420a82e9904c8e908
PDF
Publication page23247d3d0b99cde756de42ece2eec43bb59bd0e7c44bfce8c6611fbf95e4ceec
Manifestd9dddf2e4262d25da6d17c945ee89ea7c0bbff3259a651159c2c9c61774f0d9e

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
SignaturermElWmn3TPsmc2d14HlTGIudDMmjtijDS2hNXOsgU5Bb3q0l8Mn3yckHIrhtpNe8biBYKuc8nBRpQBMvc5CNBA==
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

2026-09-17T11:32:26.834419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032870
observed 23247d3d0b99cde756de42ece2eec43b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.813080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032870/manifest.json
observed d9dddf2e4262d25da6d17c945ee89ea7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.760324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032870/publication.md
observed be975fda7775453e0f79d99e977befd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:26.741883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032870/publication.txt
observed 152e0944eff5554f09311ff9675819da...
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.