OpenTechnical

OT-2026-000001620

Publication integrity record

Modular fence assembly

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-2026-000001620) never changes.

Identity and time

Publication numberOT-2026-000001620 · never reused
Internal UUID01a0a677-3081-7be3-b76a-a9b9f1ef1b7a · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:04.193791Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001620
StatusPUBLIC

Content hashes

Canonical textaf4d9d8ac486921cfe747c44575721d15767359690984fa7b591566b154482e0
Markdown924bf7a18895fb902a60f2ee8b9ae93961586a9c413cc1d6b4a9ee9b6900e8ee
PDF
Publication page3a48ece20c8553f756f6a9866b3a7163f8c86abac547639e91007161b56045d4
Manifesta8df03d24faec678e5867c786b9c2b2411f7c9b271e6e37059540fde1a37a031

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
Signature5+4AFGPsSZM0dtpGRoyRLaMB3uuBvhtAU52XGAiGY+GGUCXAWisWeDNazC512wBoHc26WoW97BK+rV218SHqCg==
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

2026-09-15T20:00:22.632438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001620
observed 3a48ece20c8553f756f6a9866b3a7163...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:22.462195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001620/manifest.json
observed a8df03d24faec678e5867c786b9c2b24...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:22.449657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001620/publication.txt
observed af4d9d8ac486921cfe747c44575721d1...
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