OpenTechnical

OT-2026-000001188

Publication integrity record

Robot control device and plasma cutting 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-2026-000001188) never changes.

Identity and time

Publication numberOT-2026-000001188 · never reused
Internal UUID01a0a674-6491-78a7-b070-c5c5a56e7397 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:04:00.914042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001188
StatusPUBLIC

Content hashes

Canonical text8a5c7a63f0a3b530f8d78bce30e51963f10828434f15ab60609cd155302138f2
Markdownc2df740a2a40316b407a49b5f6ce8a5d2971c5996cfe35cda4e445efabf1d04a
PDF
Publication paged777137d75bfdb1ba38498f3714d9f0014c18c21516bfb0def7b9324d94f9ecc
Manifestba2902b94e42c026e34ff959c27596e3d01802c9c2a7dec242f06d8fc61c59e2

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
Signatures2EXDLaegQ287w/fw0UpqhToddlN3djlzErpzRbO7Y5NpudL/dJ7uVSmeMNdjJxa8cCraC/88/xGv6Zha8+9BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-02T04:23:17.583963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188
observed d777137d75bfdb1ba38498f3714d9f00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:17.570514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/manifest.json
observed ba2902b94e42c026e34ff959c27596e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:17.556827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/publication.md
observed c2df740a2a40316b407a49b5f6ce8a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:17.455779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/publication.txt
observed 8a5c7a63f0a3b530f8d78bce30e51963...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:43:46.110526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188
observed d777137d75bfdb1ba38498f3714d9f00...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:43:45.885716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/manifest.json
observed ba2902b94e42c026e34ff959c27596e3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:43:45.398412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/publication.md
observed c2df740a2a40316b407a49b5f6ce8a5d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T04:43:45.016907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001188/publication.txt
observed 8a5c7a63f0a3b530f8d78bce30e51963...
fetched by grabo-systems from 34.44.131.203, 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