OpenTechnical

OT-2026-000003052

Publication integrity record

Height adjustment device and height adjustment method

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-2026-000003052) never changes.

Identity and time

Publication numberOT-2026-000003052 · never reused
Internal UUID01a0a680-4897-7748-8172-394cff95d31e · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:17:00.184111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003052
StatusPUBLIC

Content hashes

Canonical text3879430e7f130f986343c511b05cf02faf152c72fdeba6fca0ea7f6b7aca6093
Markdown92d9f0c662e8e9d34340fd5742ee4fab26f7210b3553c2ecfe8a2a9edcba11d3
PDF
Publication pageac366bae05869434b7afcfbb502020368d5df107429c8f83bb1f3574a53a9318
Manifestb0e8dd03fae847cc8b65a20ecfdf624b70a4b362bfefc0e9d1b189c086350869

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
SignatureTx9ZagdYXBYw3xj4OtmH0JgarR674e2LLjp6fSYkLhxL9xEOhkqqJzLmZBNAymgyO5WnQyBYfosl+M8JGY/lBw==
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

2026-10-17T04:23:05.790436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052
observed ac366bae05869434b7afcfbb50202036...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:05.778047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052/manifest.json
observed b0e8dd03fae847cc8b65a20ecfdf624b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:05.766013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052/publication.md
observed 92d9f0c662e8e9d34340fd5742ee4fab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-17T04:23:05.677107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052/publication.txt
observed 3879430e7f130f986343c511b05cf02f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:20:04.695415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052
observed ac366bae05869434b7afcfbb50202036...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:04.665828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052/manifest.json
observed b0e8dd03fae847cc8b65a20ecfdf624b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:04.655351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003052/publication.txt
observed 3879430e7f130f986343c511b05cf02f...
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