OpenTechnical Open technical disclosures for industrial technology

OT-2026-000000009

Publication integrity record

Abrasive Material Screw Conveyor Hanger Bearing Arrangement

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-2026-000000009) never changes.

Identity and time

Publication numberOT-2026-000000009 · never reused
Internal UUID01a0a4c4-cf07-798b-af84-a542fdeb1034 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T11:12:36.618972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000009
StatusPUBLIC

Content hashes

Canonical text79c682480e43330fe89f04b602d9398bbae65a6a844d4cda36e2c717a8dc9aa3
Markdown348c2503f8e3070ad0ca5921c8ea821734e4291e5851e02d779b8a7cb5a027e5
PDF207756decb30f30a422514aed67501ea076aa6f89c85c5a7d4c21b30d99a20fe
Publication page8bdcc2531a2a863fccd6acd26209e6a872d56b69a3d3352f3143205319cd9f9c
Manifest49614c89465283848494575c6bc81c0bff5a47ce408b3e0fd8fa7ca0d099f4a0

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-2026-02 · Verified
SignatureWZFmUk/9K2mOlwjUc+YtrsuexZkkYviioSzKOLNi0DSrrrydr+BZqL0E1iHAABTN+SpzP2jBl3fmVXecrwIJDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T11:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 8a9e8e2d9092a2c48c74b74773102c93...

Independent retrieval

2026-09-15T11:20:02.609435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000009
observed 8bdcc2531a2a863fccd6acd26209e6a8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:20:02.589103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000009/publication.pdf
observed 207756decb30f30a422514aed67501ea...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:20:02.574099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000009/manifest.json
observed 49614c89465283848494575c6bc81c0b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T11:20:02.557405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000009/publication.txt
observed 79c682480e43330fe89f04b602d9398b...
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

Custody packagePending Custody packages are produced weekly.