OpenTechnical

OT-2026-000003480

Publication integrity record

Optical probe with overlapping detection fields

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-2026-000003480) never changes.

Identity and time

Publication numberOT-2026-000003480 · never reused
Internal UUID01a0a6c6-0154-7bb0-99de-c411880fea08 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:33:09.460737Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003480
StatusPUBLIC

Content hashes

Canonical text4c6bc9ac3acc139a85b5b4e366b87181f7d7e86564c5d3e30faa51d5a9b730ed
Markdown1ff5cc1acbd63883e09f6be2fb87b4b2ef4201328a82c47c42b19b3a5fcd6bad
PDF
Publication page1959b321668717f30e97f5d6bf83f8e91c1c444c59889cf790cabbd5da55767e
Manifestfbb02545b1b48d72a3ae7cea636d9797cfad980308055f42bf174d0484b3165f

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
SignaturelGxOPHEkwgAWetj/J223saCBHeYr89XFn5Zcb2KJwC7aCaQY+6mgKMjGTKaxQTnalxhpxr4qUrUN8Z6aL8YaCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:36:25Z
batch OT-TS-2026-W38-006 · RFC 3161 token · inclusion proof
root 40fdb380c9f41bd58bb35c455dde2c7d...

Independent retrieval

2026-09-25T00:41:47.738378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480
observed 1959b321668717f30e97f5d6bf83f8e9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:47.644083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480/manifest.json
observed fbb02545b1b48d72a3ae7cea636d9797...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:47.579368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480/publication.md
observed 1ff5cc1acbd63883e09f6be2fb87b4b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-25T00:41:47.467581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480/publication.txt
observed 4c6bc9ac3acc139a85b5b4e366b87181...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:05.032660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480
observed 1959b321668717f30e97f5d6bf83f8e9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:05.001753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480/manifest.json
observed fbb02545b1b48d72a3ae7cea636d9797...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:04.987990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003480/publication.txt
observed 4c6bc9ac3acc139a85b5b4e366b87181...
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