OpenTechnical

OT-2026-000018196

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018196) never changes.

Identity and time

Publication numberOT-2026-000018196 · never reused
Internal UUID01a0ae6e-b488-7a9f-a69b-a043590c0c86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018196
StatusPUBLIC

Content hashes

Canonical text28d0c28c92017c64bece6ef1ec1b67abe76c4cfe8b15342c0086d10a5b4a2eb0
Markdown05f8df1567d5631658a2d2341c4509ea49047cd9f6d6dfa26c5f87e3a6e39595
PDF
Publication page23d0c7ad93433c13d07ef16514284d1c2c88d09fcf998a360191615f03e85623
Manifest14781ef262b9cecdc7b920e4a39ddfefb2dba850250b6ff784b7ea619c1eafe0

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
SignaturezrI/SMKn0CSOUgqpy9SrFMlSXJDbDjQbjU4dvVElDWiSfJd/m4Uzre1dZbKIm9Mc7h8pk29Xl2L28d144WvKAw==
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

2026-09-17T11:59:58.762629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018196
observed 23d0c7ad93433c13d07ef16514284d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.744684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018196/manifest.json
observed 14781ef262b9cecdc7b920e4a39ddfef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.726412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018196/publication.md
observed 05f8df1567d5631658a2d2341c4509ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.708914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018196/publication.txt
observed 28d0c28c92017c64bece6ef1ec1b67ab...
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.