OpenTechnical

OT-2026-000036197

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000036197) never changes.

Identity and time

Publication numberOT-2026-000036197 · never reused
Internal UUID01a0ae77-01cf-7e34-845b-ea3e932dee64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036197
StatusPUBLIC

Content hashes

Canonical textec385e3e1eec31fb6ff4a05643eb292e4ac6fffcf01b284a772d1161f0c67a70
Markdown49bb924de62325e08cb18d4eebb71f6951eaf4d738a37d10fe4894569174c1e9
PDF
Publication page574811ba6d3b9f7442d00d04ce76c114c6cbda0cc58c944648d2a0003f92263a
Manifest6efed6fe8372ef4000bc97dd346dc7e2ba521801e8f98b2181b49e142498bb77

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
SignatureLOHxXObuIw/QiEgbnOQbPHYvSa5/fFyf4GZmBB0zk/qiZABejHmUSbFhz5yWWgRn9nrliQ/yc7pigEQEW522AQ==
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

2026-09-17T11:26:26.156098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036197
observed 574811ba6d3b9f7442d00d04ce76c114...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.136380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036197/manifest.json
observed 6efed6fe8372ef4000bc97dd346dc7e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.116814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036197/publication.md
observed 49bb924de62325e08cb18d4eebb71f69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:26.098818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036197/publication.txt
observed ec385e3e1eec31fb6ff4a05643eb292e...
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.