OpenTechnical

OT-2026-000002448

Publication integrity record

Base for Supporting a Portable Crane and a Method for Removing a Main Bearing of a Wind Turbine

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-2026-000002448) never changes.

Identity and time

Publication numberOT-2026-000002448 · never reused
Internal UUID01a0a67c-c1e8-762b-a18c-8418e82b7980 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:09.097420Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002448
StatusPUBLIC

Content hashes

Canonical text93a465d73f6e8b7cbb2c3e9f3fb14937b5749e4f6b8946d46536375652aeae2b
Markdown719bbe5a159a20218775a6cb6aa673b6b3c55fd0a25bf045614c0010c724fc06
PDF
Publication pageb12f0bfb6a6b2a6072788861bd2f0048f64ee0341216ba40f7e675358a0abde4
Manifest9c32af0ca85da913e626e735ba3d6b91a7573a1260d5507ff0596ac741128287

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
Signatureqt5eIhdOrleKZn6E/5tQv46/QxV750U0fAxY5ZJbaMmub5RGkC+wMUunzV4Y9vxeEs4akIO6H3FAEbLv27cXCQ==
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

2026-10-18T04:23:39.260324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448
observed b12f0bfb6a6b2a6072788861bd2f0048...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:39.248722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448/manifest.json
observed 9c32af0ca85da913e626e735ba3d6b91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:39.236902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448/publication.md
observed 719bbe5a159a20218775a6cb6aa673b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-18T04:23:39.166519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448/publication.txt
observed 93a465d73f6e8b7cbb2c3e9f3fb14937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.290194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448
observed b12f0bfb6a6b2a6072788861bd2f0048...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.250131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448/manifest.json
observed 9c32af0ca85da913e626e735ba3d6b91...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:14.236093ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002448/publication.txt
observed 93a465d73f6e8b7cbb2c3e9f3fb14937...
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