OpenTechnical

OT-2026-000002242

Publication integrity record

Barrel lift apparatus and barrel conveyance apparatus

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-2026-000002242) never changes.

Identity and time

Publication numberOT-2026-000002242 · never reused
Internal UUID01a0a67b-6d0a-7746-8a10-b3adf86ff5d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:41.835062Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002242
StatusPUBLIC

Content hashes

Canonical text75350991879a3819c37fa22cabcc24618c7c83a9d97235beea9e54402b68cdc5
Markdownf2ac6f467957c3ed7891a884a610cd03d37cbc359c3268800c5fb94354383122
PDF
Publication pagef85d55a8f822991c43e06aeb18631d015a9d73638ec3e8d2156d75ffc1d17ffd
Manifest29816ae7c4ae5a6d0daf9c0056d309a1815e134229df7529bdbe1b3a7ee1a7a9

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
SignaturenxK0AqlmF6PknE5jZlzA1f6y8daVGD/qeMCu5l5sPf/h3u1JGIOAyYnFkQegS/ejXuQxasw2Nym290c4z89VCw==
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

2026-09-15T19:50:09.653631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002242
observed f85d55a8f822991c43e06aeb18631d01...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:09.625788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002242/manifest.json
observed 29816ae7c4ae5a6d0daf9c0056d309a1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:09.613074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002242/publication.txt
observed 75350991879a3819c37fa22cabcc2461...
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