OpenTechnical

OT-2026-000002842

Publication integrity record

Contactless conveying device

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-2026-000002842) never changes.

Identity and time

Publication numberOT-2026-000002842 · never reused
Internal UUID01a0a67f-197e-7a65-aa8a-f708252fb86d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:42.591304Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002842
StatusPUBLIC

Content hashes

Canonical texteb609c28dda1abb44bb57ec02cc8741dc480878588f32e39763981c64f2ebd4d
Markdown769f0d4fd000ac14ddf381a29351a7ca963e04a8e7052b207c3dbd682c540fa8
PDF
Publication page0c29743349d98aafa1c673ee44ce14f010be05c04d7f8ce39a61238cca7bb0ec
Manifest859c3b80fdfff7d657eee85d91602e6174b18eb29a665e6ab8f1df98b0ef5666

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
Signature07pAuud6lPAq0l1IENQ5fF0lB6KeC3l/jRV/EyMyIhyHRxKAx+mddkH5UrFgmtybz+AomwcAb5+iT5ABylcjAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:20:27.486490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002842
observed 0c29743349d98aafa1c673ee44ce14f0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:27.456262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002842/manifest.json
observed 859c3b80fdfff7d657eee85d91602e61...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:27.442839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002842/publication.txt
observed eb609c28dda1abb44bb57ec02cc8741d...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent