OpenTechnical

OT-2026-000002618

Publication integrity record

Clamp device and a mobile lift system with the clamp 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-2026-000002618) never changes.

Identity and time

Publication numberOT-2026-000002618 · never reused
Internal UUID01a0a67d-c009-7100-8488-9b056f5539cc · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:14.154366Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002618
StatusPUBLIC

Content hashes

Canonical texta99e3a46f6a93156bc3db4de49051ba7a3665bfa27dc37277d6177c53f2ce6e4
Markdownf1d0a7069e81b5d6b3514e5ce5ed6cc3f69a86eb20da8fd2d4fa1f0d44e441f9
PDF
Publication page088c85cb6dc6c040483f86f952d375885bf648a9049b37cafd7b003b106a04fb
Manifestdfc952388ebcae0d51e5e49bf5cf19d7444d050ccc4ef70225a3274a42c8e676

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
SignaturemrYkZpbKkpXgcPXaWppQu6gMBa7RGVzvrZe0+48LtepdsYVJesiC5ZRXdIZw6POBqYH6xrrFJPQIU5XcNGf8BA==
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

2026-09-23T04:23:34.523603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618
observed 088c85cb6dc6c040483f86f952d37588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:34.510633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618/manifest.json
observed dfc952388ebcae0d51e5e49bf5cf19d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:34.497463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618/publication.md
observed f1d0a7069e81b5d6b3514e5ce5ed6cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-23T04:23:34.442592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618/publication.txt
observed a99e3a46f6a93156bc3db4de49051ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.621673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618
observed 088c85cb6dc6c040483f86f952d37588...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.595881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618/manifest.json
observed dfc952388ebcae0d51e5e49bf5cf19d7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:24.583576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002618/publication.txt
observed a99e3a46f6a93156bc3db4de49051ba7...
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