OpenTechnical

OT-2026-000001712

Publication integrity record

Anchor platform assembly especially useful for roof accessory structures

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-2026-000001712) never changes.

Identity and time

Publication numberOT-2026-000001712 · never reused
Internal UUID01a0a677-eae4-752d-b70d-ecebfef9b7e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:51.908436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001712
StatusPUBLIC

Content hashes

Canonical text538aca3c5aa851b3e6cc3b2aba6c272e1455da784d56a7fa37eda51c899efe0c
Markdown84aace9bdca4aa2def33f5ae199bd0364c709d49c7d2eea9d914fdc27a2759f3
PDF
Publication pageefb7d8f2f7d54cf4acb2bb1383530e8f3934bec6705fe62036c9c02d2eaba415
Manifestd4b22f23b0100346993b5768d6e0f2abefeecd0193b7642a25f1c947c61929b3

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
SignatureS9KiMfIRGgWlaSGtH9dxlCrew56FsUQO4JVQswp/hmiHtyTGkZYTk1VVQf/J0u6z9tsv5sCx48ZBdaCx/MQiBg==
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

2026-09-15T19:10:34.130207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001712
observed efb7d8f2f7d54cf4acb2bb1383530e8f...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:34.102006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001712/manifest.json
observed d4b22f23b0100346993b5768d6e0f2ab...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:34.090452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001712/publication.txt
observed 538aca3c5aa851b3e6cc3b2aba6c272e...
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