OpenTechnical

OT-2026-000030202

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000030202) never changes.

Identity and time

Publication numberOT-2026-000030202 · never reused
Internal UUID01a0ae73-e500-71d8-a6a4-091b694be97d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030202
StatusPUBLIC

Content hashes

Canonical text37a2a365097f041d6314acd3a729f442e4dcf1617f18a18e9e28645b431d7e93
Markdown7767e4579149e7f5e712a4f5ecf74dfeae785de91aca7a41e63105f9927b14a1
PDF
Publication pagec7cfa12731ef00db6998fd15b95597a5402cc8974ee2287504678f19880ec678
Manifest71a0937a22adabf0fa9c200bc8c12a971b77bd73792b7ff26cebdb2a8aa47e52

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
SignatureUh1/7T+SAqFd7aBMruxag/fEkWQZB/F+wXj5WeA2d3gIwP7jyCefTANZ3fCmSasj1ZMj6xbZMzxOUrdKixX8DA==
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

2026-09-17T11:40:34.359164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202
observed c7cfa12731ef00db6998fd15b95597a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.343414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/manifest.json
observed 71a0937a22adabf0fa9c200bc8c12a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.323420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/publication.md
observed 7767e4579149e7f5e712a4f5ecf74dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:34.303854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/publication.txt
observed 37a2a365097f041d6314acd3a729f442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.711711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202
observed c7cfa12731ef00db6998fd15b95597a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.693985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/manifest.json
observed 71a0937a22adabf0fa9c200bc8c12a97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.675143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/publication.md
observed 7767e4579149e7f5e712a4f5ecf74dfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:50.653089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030202/publication.txt
observed 37a2a365097f041d6314acd3a729f442...
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.