OpenTechnical

OT-2026-000002728

Publication integrity record

Fastener installation system and related 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-2026-000002728) never changes.

Identity and time

Publication numberOT-2026-000002728 · never reused
Internal UUID01a0a67e-68ff-7ebb-8c4b-4a0bdcd2f952 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:57.407749Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002728
StatusPUBLIC

Content hashes

Canonical textfdac8fc0e6fc417a169adde32154f2564b446c9bdd1d376b9a046d8ecde7bb49
Markdown6012f7d330b175e1d1af9ef1a36f3a5cc0d058356620fc9114d91c7c329a3106
PDF
Publication page537b792b747e872debf1970c44bb5c7e4bbc49e386b6b17febc6a8b741525de6
Manifestfdcba9daa67d25f834baf962098e6ea80f739f4a404ea41b257b2bcbada871e7

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
SignaturepL0U4svWroMHBKOWx27xIIshzb/rs1HiG4JjuSL8Cn//x3oNJ7s0bdGbTkVpvG8A5E+HqvFwuXtRGIbDw2qJBw==
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

2026-09-15T19:30:11.599258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002728
observed 537b792b747e872debf1970c44bb5c7e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:11.447887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002728/manifest.json
observed fdcba9daa67d25f834baf962098e6ea8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:11.434409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002728/publication.txt
observed fdac8fc0e6fc417a169adde32154f256...
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