OpenTechnical

OT-2026-000037433

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down, on a tool changer

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-2026-000037433) never changes.

Identity and time

Publication numberOT-2026-000037433 · never reused
Internal UUID01a0ae77-b8cd-711d-86a3-4f96d0d5887a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037433
StatusPUBLIC

Content hashes

Canonical text08c173cb6fbe3e48e7bc94efbf3299a6913ab47c5dca01ee1143614bd3359200
Markdowna73c0a084b1e580f12855eb66fd364cf1122f096bf14869669db6f6745fb8511
PDF
Publication page805e391d2a864859afa66d27765f5badeadb6b1f7758f19a913973857c139a1f
Manifest748ee511bd9443ce5ec2655a4d2d3a4b106e22ca122d7ff0ede892e0615c9c1b

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
SignatureEf9hRqMA2q8ql6d407FN2jKJJ/UQBwmNy7N+DZRPJmLXzKFx1QsTOfIUznH2ttkTzCFQotj3DrFC0w42yLyZAw==
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

2026-09-17T11:23:31.337601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037433
observed 805e391d2a864859afa66d27765f5bad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.317810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037433/manifest.json
observed 748ee511bd9443ce5ec2655a4d2d3a4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.277854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037433/publication.md
observed a73c0a084b1e580f12855eb66fd364cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:31.194076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037433/publication.txt
observed 08c173cb6fbe3e48e7bc94efbf3299a6...
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.