OpenTechnical

OT-2026-000001731

Publication integrity record

Yield checking for a hand-held manipulation device

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-2026-000001731) never changes.

Identity and time

Publication numberOT-2026-000001731 · never reused
Internal UUID01a0a678-0b1c-73d3-8ec9-d1c4bbe1652d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:00.157034Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001731
StatusPUBLIC

Content hashes

Canonical text4a21694160298ab263a28532d4eb0d9c6d20edf94efd258290fad55099cd9c24
Markdown16ca7217086d410b63df4b10827f8471425f457f4372bdbeafd16e5aba7545b5
PDF
Publication page8130d2a9d92700156d5ccfeabe6364f5be6bbbe21c71e2c364248d8e2bc7e909
Manifest56908b4b342f9b754815c8589b49f185cb9706dc788ae7f955b3203b9457c38c

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
SignaturecKJTL36E09hAju2YrEKcdwLZVVh69sQ0ubyWyg11Gjj6Gb1sDtLK1BHYiA3is0Vd+APQ9JvtYWeBqM4SwodmAA==
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

2026-09-16T04:23:02.996740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731
observed 8130d2a9d92700156d5ccfeabe6364f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:02.982417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731/manifest.json
observed 56908b4b342f9b754815c8589b49f185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:02.967951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731/publication.md
observed 16ca7217086d410b63df4b10827f8471...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:23:02.953911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731/publication.txt
observed 4a21694160298ab263a28532d4eb0d9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:10:31.699664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731
observed 8130d2a9d92700156d5ccfeabe6364f5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:31.670012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731/manifest.json
observed 56908b4b342f9b754815c8589b49f185...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:31.658895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001731/publication.txt
observed 4a21694160298ab263a28532d4eb0d9c...
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