OpenTechnical

OT-2026-000002381

Publication integrity record

Method and system for path planning of robot arm in dynamic environment

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-2026-000002381) never changes.

Identity and time

Publication numberOT-2026-000002381 · never reused
Internal UUID01a0a67c-4707-7f98-a0ef-d436ade02c31 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:12:37.640232Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002381
StatusPUBLIC

Content hashes

Canonical text70c33993abd118104ac54b9911b0c44b85458960d2e0a7b8094656c81e89668f
Markdown00df6aed16c89633fa351b077c5156d6256c168fb13dc329ed929e8721187a6a
PDF
Publication page1a89726662b39aee7a6fea1640884f50801a10359e7de37dbdada3e3902ed16e
Manifest6653ec1d02d82ac9b15b8fb57382a22133911a6f45dd4cd79d3915e0b8a553f9

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
Signature4ju4PmiYPPmCOl2MnireLdVBX5+eeE+U/W/m3wag4INIIQCpRIZXh+EaJ/VPsuB86Q5AOCJD28NQcV6JNxI7BQ==
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

2026-09-24T20:41:55.390715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381
observed 1a89726662b39aee7a6fea1640884f50...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:55.287014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/manifest.json
observed 6653ec1d02d82ac9b15b8fb57382a221...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:55.175411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/publication.md
observed 00df6aed16c89633fa351b077c5156d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T20:41:54.985023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/publication.txt
observed 70c33993abd118104ac54b9911b0c44b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:59.386420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381
observed 1a89726662b39aee7a6fea1640884f50...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:59.075607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/manifest.json
observed 6653ec1d02d82ac9b15b8fb57382a221...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:58.823689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/publication.md
observed 00df6aed16c89633fa351b077c5156d6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-19T08:41:58.458970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002381/publication.txt
observed 70c33993abd118104ac54b9911b0c44b...
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