OpenTechnical

OT-2026-000001971

Publication integrity record

Fastening assistance system

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-2026-000001971) never changes.

Identity and time

Publication numberOT-2026-000001971 · never reused
Internal UUID01a0a679-c1a0-7b23-9eed-223a8e817bd4 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:52.417150Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001971
StatusPUBLIC

Content hashes

Canonical text77d1669584e0ca659e76f790babd37ff60216ca5c89108000faeef8e67b581a8
Markdown27cc8013d5d1b32f63f949ebf2e4b2707bba0f9e2f561aaee520d4fa722dfa69
PDF
Publication pagec1e78a575fc092a147d4aed4a3a8b759c3f4f727d6ef1cb24b658b7f65447687
Manifeste6f6514b847afa2f09c5607e14edc98c8f8bd141fa1df5968de6a82fc35280b1

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
SignatureKa0gF1EWyzjNwZZbXtwB++dtNndCqbh3QLFm9UKlvakAdqvdeW0FaaskuNe0C6wr+HMAMzFzQjw6z9Nxs48hAg==
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

2026-09-15T19:10:05.597777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001971
observed c1e78a575fc092a147d4aed4a3a8b759...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:05.454199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001971/manifest.json
observed e6f6514b847afa2f09c5607e14edc98c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:05.441863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001971/publication.txt
observed 77d1669584e0ca659e76f790babd37ff...
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