OpenTechnical

OT-2026-000001728

Publication integrity record

Systems and methods for transporting slides

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-2026-000001728) never changes.

Identity and time

Publication numberOT-2026-000001728 · never reused
Internal UUID01a0a678-0561-7e40-90cb-9f278a78eafe · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:58.689646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001728
StatusPUBLIC

Content hashes

Canonical texte703296a760ae49a6489bfbecdeb8d090d7d653d999c6561abd3c371da179976
Markdownaf90d3acc10b929bd9babe8fe97344f3e78638eb3791d008919ce97e1376906b
PDF
Publication page425e09d15dee6315c471ce60dee773578bb9c5032cb3685a81fac77ecb0f6b5d
Manifest7e9e93c93a1ddfc88b6d04f85df756104a560a8376f27a80a5daef4c1fb9fc8a

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
Signature9YAifvNkeOo4r698yreAzZqhfr7WDxY8o7kR0mcFa+QkZS80ZVxzkxxCCSM+hE7CkT7P6TohspO5mPC/EOZ4Cg==
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

2026-09-17T04:23:02.804919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728
observed 425e09d15dee6315c471ce60dee77357...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:02.785903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728/manifest.json
observed 7e9e93c93a1ddfc88b6d04f85df75610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:02.767918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728/publication.md
observed af90d3acc10b929bd9babe8fe97344f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:02.694420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728/publication.txt
observed e703296a760ae49a6489bfbecdeb8d09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:10:32.405780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728
observed 425e09d15dee6315c471ce60dee77357...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:32.377474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728/manifest.json
observed 7e9e93c93a1ddfc88b6d04f85df75610...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:32.365169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001728/publication.txt
observed e703296a760ae49a6489bfbecdeb8d09...
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