OpenTechnical

OT-2026-000002613

Publication integrity record

Separator for separating a conveyed medium, preferably air, from a conveyed material, and method for separating conveyed material from a conveyed medium/conveyed material mixture

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-2026-000002613) never changes.

Identity and time

Publication numberOT-2026-000002613 · never reused
Internal UUID01a0a67d-b84d-7a42-b06a-11368040ed7d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:12.174050Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002613
StatusPUBLIC

Content hashes

Canonical text3ccee84f27a1299b928e3d89716f6530c36bc92e4b402ea9ba0e1697feef2de2
Markdown5719dcb1f761de974cc98e085e82bc5a30b71596ac70f2881ad83f41695c73a7
PDF
Publication paged3170260588029b98056a6180f45fd3320b956651f6dbedf1e3f0f4a3d2b24cd
Manifestfb5cdd051fbe5c54454c987c07ea780294aac31e6d7172c303d3509a085e6c97

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
SignaturebDTAhstdxVFfOjuVMjJfUBhvp4XFyjv48iZ+MjF+8dr/PVyLcjSR/WmXQXipanobc0BN2Fv9lyEm9aArRF+KBg==
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

2026-09-16T12:42:09.438834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613
observed d3170260588029b98056a6180f45fd33...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:09.239676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/manifest.json
observed fb5cdd051fbe5c54454c987c07ea7802...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:09.106792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/publication.md
observed 5719dcb1f761de974cc98e085e82bc5a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T12:42:08.806271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/publication.txt
observed 3ccee84f27a1299b928e3d89716f6530...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:23:03.151765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613
observed d3170260588029b98056a6180f45fd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:03.137793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/manifest.json
observed fb5cdd051fbe5c54454c987c07ea7802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:03.123275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/publication.md
observed 5719dcb1f761de974cc98e085e82bc5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:03.091699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002613/publication.txt
observed 3ccee84f27a1299b928e3d89716f6530...
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

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