OpenTechnical

OT-2026-000047438

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000047438) never changes.

Identity and time

Publication numberOT-2026-000047438 · never reused
Internal UUID01a0ae7f-3e58-7e51-b61a-2f027fe884c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047438
StatusPUBLIC

Content hashes

Canonical texta94e8df617c2398a0ea936844fb544583305ee5da6be7147ad809ee902724793
Markdown918b98b27b1ccd912f2fa5584747ba2ffb729b13de8bbafb41e2cfb33ed0e3a2
PDF
Publication pagef39d9699dedb9e1f4a8d5491969e35c40bcc82bb8a4c2242ff18488230d27ac3
Manifestdce68ecd80a9c6488401390983f552d222292ef79d275434860e3ad98b024d9e

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
SignatureLsspqsp6t67VluThv9fWxy68DvLQFfy3GwQmaJdVA4v9ZyApDgTO9taeDLil7ZS14Ewu9eYR4J2+IzPMa0ssAw==
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

2026-09-17T11:06:27.745272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047438
observed f39d9699dedb9e1f4a8d5491969e35c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.728459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047438/manifest.json
observed dce68ecd80a9c6488401390983f552d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.711752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047438/publication.md
observed 918b98b27b1ccd912f2fa5584747ba2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:27.694232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047438/publication.txt
observed a94e8df617c2398a0ea936844fb54458...
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.