OpenTechnical

OT-2026-000002986

Publication integrity record

Backscatter x-ray system and 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-2026-000002986) never changes.

Identity and time

Publication numberOT-2026-000002986 · never reused
Internal UUID01a0a67f-e49b-798d-8e72-b116e2165eac · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:34.588002Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002986
StatusPUBLIC

Content hashes

Canonical text3c302073768307986e571230395a9a4573f017da056c40a2e7288bef98fda8c0
Markdownfebd8a3e70a62eab0e8d488bab3ff263c7c59d77990ddcbe05f36479f619129b
PDF
Publication page9e72a01fcbca844e3d2be60761a6781b6d24ec6a9c468dcb2c9595719e7d18f0
Manifest717b5a7843aa8d026f97d791a9826e22d1e13d8a05d2cd5a1b08c6b157d2d29e

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
SignatureL+E0Sf2w/UD6Ifn4WfvKYkQwDzu1qlvhKDr3dy5nqnl7BjBkJj2VzaexRuG6Nu6xGipARTPHvzgK2vtY93GaCQ==
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

2026-09-15T19:20:11.877526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002986
observed 9e72a01fcbca844e3d2be60761a6781b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:11.778250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002986/manifest.json
observed 717b5a7843aa8d026f97d791a9826e22...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:11.764872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002986/publication.txt
observed 3c302073768307986e571230395a9a45...
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