OpenTechnical

OT-2026-000025497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000025497) never changes.

Identity and time

Publication numberOT-2026-000025497 · never reused
Internal UUID01a0ae71-5fa8-7d22-9479-17678f283c28 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025497
StatusPUBLIC

Content hashes

Canonical text87371b183f93b8d16a914119b9734e5b9475a27c85e62802e15e88564d426d5a
Markdown0b14522033c76b5a71dc527239c1b299f13f110e36053c8f4e9a1b098535a7b5
PDF
Publication page2e8616b821dfa7901bc70d59e4dcb6cddb7bf50149d75b6218760c04e7c2ea1c
Manifest6c47657f66e354bab432b063463f2c4e71109efd7bf85043d27d6151dca79458

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
SignatureneLFq+wXztlEf6yabvk2+3ftO6+vxRTMCNbTUv7A9e9hQWwaOEjR916SDCbI1Ej9uOGZP9ZPcVXBF0skfdO+Cg==
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

2026-09-17T11:47:35.572935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025497
observed 2e8616b821dfa7901bc70d59e4dcb6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.557034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025497/manifest.json
observed 6c47657f66e354bab432b063463f2c4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.540987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025497/publication.md
observed 0b14522033c76b5a71dc527239c1b299...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.523302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025497/publication.txt
observed 87371b183f93b8d16a914119b9734e5b...
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.