OpenTechnical

OT-2026-000002504

Publication integrity record

Material-Handling Robot With Magnetically Guided End-Effectors

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-2026-000002504) never changes.

Identity and time

Publication numberOT-2026-000002504 · never reused
Internal UUID01a0a67d-14d9-7bf6-a349-31c9d123dc2f · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:13:30.330450Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002504
StatusPUBLIC

Content hashes

Canonical text3a2715b47cd2e6b9bdce0d3156aea15846db5952fbb6ab04e5d9c7cb2d4d8e73
Markdowne04fbc87c56f81a4651744349894db4f0b572b7b2cc237d6736c5d880c291543
PDF
Publication pagee8e9ebc75501ec3c0f1e105462498964bb8a73973ef40254db47766afba08c50
Manifestf00485924ccc92e30cc9f460aef32ade6406e6514a9409586bda3bdb70b69e79

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
Signaturemn4VFtdb8pBR6cyLaAwA7C2hyxECo1tOQYIouL7NDwWl33r5Mw3IUj8MDqaqePIMFLimGK5NVKMQ0XfpPM5aCQ==
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

2026-10-18T08:42:05.079204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504
observed e8e9ebc75501ec3c0f1e105462498964...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T08:42:05.031571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504/manifest.json
observed f00485924ccc92e30cc9f460aef32ade...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T08:42:04.984335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504/publication.md
observed e04fbc87c56f81a4651744349894db4f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-18T08:42:04.873926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504/publication.txt
observed 3a2715b47cd2e6b9bdce0d3156aea158...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:40:08.029308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504
observed e8e9ebc75501ec3c0f1e105462498964...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:07.995296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504/manifest.json
observed f00485924ccc92e30cc9f460aef32ade...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:40:07.981510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002504/publication.txt
observed 3a2715b47cd2e6b9bdce0d3156aea158...
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