OpenTechnical

OT-2026-000001962

Publication integrity record

Method of Creating Modified Design on Surface, Control System and Robot 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-2026-000001962) never changes.

Identity and time

Publication numberOT-2026-000001962 · never reused
Internal UUID01a0a679-add7-7413-b227-208096ca2e1f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:47.352690Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001962
StatusPUBLIC

Content hashes

Canonical text0457f123b83148f5c6a626ca3cfe65400ceb80d32228054f3ceb515e85a8947c
Markdown508429f01a51fb44955e71dfb374b4c0d417f0fea54ff0832b74e0d0254a2467
PDF
Publication pageee04f7cfde6179246b1a37522933c0f27bdc1cf2ea22e1d2871ef587b10a7e14
Manifestff9ecb8ecd93b577ec9dd4bca29a5faa8acdb516fd5f3c646f8e46ea0f13f053

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
SignaturetOPYPdX1Yl+7KmyMNxkupvgFzV8D2KtvMiD/1+npvdGiuNr7LsRQhZKZtih3kDJf7/8N3ZDSkNY0mdZfY3soAQ==
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

2026-09-23T08:41:03.407441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962
observed ee04f7cfde6179246b1a37522933c0f2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T08:41:03.357909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962/manifest.json
observed ff9ecb8ecd93b577ec9dd4bca29a5faa...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T08:41:03.302443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962/publication.md
observed 508429f01a51fb44955e71dfb374b4c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-23T08:41:03.160745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962/publication.txt
observed 0457f123b83148f5c6a626ca3cfe6540...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:10:06.582144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962
observed ee04f7cfde6179246b1a37522933c0f2...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:06.431936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962/manifest.json
observed ff9ecb8ecd93b577ec9dd4bca29a5faa...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:06.419175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001962/publication.txt
observed 0457f123b83148f5c6a626ca3cfe6540...
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