OpenTechnical

OT-2026-000000628

Publication integrity record

Learning manipulation through jacobian matrix of stiffness and impedance control

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-2026-000000628) never changes.

Identity and time

Publication numberOT-2026-000000628 · never reused
Internal UUID01a0a673-a0f7-71e6-9e83-0cd572d4bfc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:10.839734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000000628
StatusPUBLIC

Content hashes

Canonical textf37c457f2e4b66dc9cb00bba1774f40a9e4952ea8d29cc325c061b6e8e0f7dab
Markdown4871273a4bc026639b2987cbaabc07c8fff1e195be3d740b5a659133a6d623ca
PDF
Publication page433f7f19fb780730d71a46b5c2462ed82c2f18cab1cdadfa833410951f8ac957
Manifestc60793c3a240813c7965c335c5bd3d718a370ea40db4eb4145e2052673fffeef

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
SignatureJLHDHksYOWmSkas74ufwt958R7qWNUc/OQai/8dR/d0ZKOQhmW5w+suvU5VsXWGhnSjqhkUGk3d+ZdhWaXazBg==
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

2026-09-18T08:41:32.973288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628
observed 433f7f19fb780730d71a46b5c2462ed8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T08:41:32.818027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628/manifest.json
observed c60793c3a240813c7965c335c5bd3d71...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T08:41:32.669825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628/publication.md
observed 4871273a4bc026639b2987cbaabc07c8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-18T08:41:32.477835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628/publication.txt
observed f37c457f2e4b66dc9cb00bba1774f40a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:40:22.560863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628
observed 433f7f19fb780730d71a46b5c2462ed8...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:22.533810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628/manifest.json
observed c60793c3a240813c7965c335c5bd3d71...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:40:22.521750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000000628/publication.txt
observed f37c457f2e4b66dc9cb00bba1774f40a...
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