OpenTechnical

OT-2026-000002478

Publication integrity record

Shingling device and sheet production line comprising the shingling 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-2026-000002478) never changes.

Identity and time

Publication numberOT-2026-000002478 · never reused
Internal UUID01a0a67c-eee2-72ab-8e72-a3cab2b5ae8b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:20.610861Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002478
StatusPUBLIC

Content hashes

Canonical textcbbab7943d48d9655b7ae55087bd5210ae4d60bc53b7fef78082d4520c55de30
Markdown305742972ee3e58952cec210add06b34e7a69b21a057adebe022beb690fa1ec4
PDF
Publication page247443ae4bdaa9e32a56938009008155d889dc1052bb61c08ce48b096cd4fd17
Manifestb06de0170a878b315667bb5cc2f8953c1ef137bbcddcd0418be095385c368816

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
Signature6aXIXvjHO7EyJC2vLQ03rQYU9buqIFryX0N0H9q9daXas3Nx1FoNHJeI8/AHqgt1P18wJ6CKglc/0ekcZfpaDw==
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

2026-09-15T19:40:11.021276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002478
observed 247443ae4bdaa9e32a56938009008155...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:10.991841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002478/manifest.json
observed b06de0170a878b315667bb5cc2f8953c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:10.977500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002478/publication.txt
observed cbbab7943d48d9655b7ae55087bd5210...
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