OpenTechnical

OT-2026-000001291

Publication integrity record

Method for extending or retracting the wheels of an aerial work platform mounted on pivoting arms

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-2026-000001291) never changes.

Identity and time

Publication numberOT-2026-000001291 · never reused
Internal UUID01a0a675-0782-7d77-b303-7f25cf8138fd · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:42.626754Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001291
StatusPUBLIC

Content hashes

Canonical text896b8574b1825c7813312b9a00bc1384c36682cd196d629d20d0bfe5d9e96f1e
Markdown8478cf072490981f842ef0b2981b6e13a48b5027481a4681fcd5bf39a5c93ed4
PDF
Publication pagef07e7bec03fd41394f432234de45fd1fecbe2aeaac2b52f038a483d2b023d54e
Manifest65bdc4c97bfc5e6af4b1efe23a75ab3a6c1bd139e0082cbc5773c3c4fd1c0975

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
SignatureyNlJ30Q2kjtArOFIEzizPHyAH5s6BJa39TBwwJs9O9UpDGQON1qgU0J63THvpd+SRrtm+ZcZdKr4kWYoaEg/BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-09-15T20:43:26.299595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291
observed f07e7bec03fd41394f432234de45fd1f...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:43:25.772126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291/manifest.json
observed 65bdc4c97bfc5e6af4b1efe23a75ab3a...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:43:25.514773ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291/publication.txt
observed 896b8574b1825c7813312b9a00bc1384...
fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:34.228976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291
observed f07e7bec03fd41394f432234de45fd1f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:34.073652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291/manifest.json
observed 65bdc4c97bfc5e6af4b1efe23a75ab3a...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:34.059140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001291/publication.txt
observed 896b8574b1825c7813312b9a00bc1384...
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