OpenTechnical

OT-2026-000002078

Publication integrity record

Robotic arm 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-2026-000002078) never changes.

Identity and time

Publication numberOT-2026-000002078 · never reused
Internal UUID01a0a67a-77f0-76f7-93e7-8183bad2b685 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:39.089217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002078
StatusPUBLIC

Content hashes

Canonical text3ddeeb0fe2e5471781a81eecfb715120cfc823c6f7ebbf5f565e77238cfe0dde
Markdown03d07cd70197d23f06599879150cf95499bf84875921688fcf807083e7620183
PDF
Publication page3d2352e9c0db8229695df819153b358eacf28db5f7f21c16b580cc3f94e253f7
Manifest0e177ea07fb5b5c0754096399b8cb4d87ec1089f812b0dc7fe9673c34cf92cf5

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
SignatureFtDcM0bFKM+xvHCASnHyBs2c9v6RvFrds42MowZy8u88CtX2QxBh3INrpV7g5snOhPT2/tQul5M/VakW7ereBw==
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

2026-09-15T19:50:27.595110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002078
observed 3d2352e9c0db8229695df819153b358e...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:27.566289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002078/manifest.json
observed 0e177ea07fb5b5c0754096399b8cb4d8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:27.425916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002078/publication.txt
observed 3ddeeb0fe2e5471781a81eecfb715120...
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