OpenTechnical

OT-2026-000001641

Publication integrity record

Dynamic stability of a robot manipulator

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-2026-000001641) never changes.

Identity and time

Publication numberOT-2026-000001641 · never reused
Internal UUID01a0a677-5b19-70cb-8151-0bb521ab58ab · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:07:15.097639Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001641
StatusPUBLIC

Content hashes

Canonical textce9015d2c364f262158974ec0de9e0b03db9a97623bcf55ff55ef39f81a1a4fc
Markdown0051568311d00f6ef01bfa665b4e952a3e10f9d9a12031cf523659e171f7d1be
PDF
Publication pageb460a7e51e2bea6a5d7bff9aa663ee04977a82b218134398728e742c70a6f6dc
Manifest1a0cf465aa7705535ea1cd48dfdc640584919d73e794c2ce8cddae644c1b81fc

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
SignatureYhNzR57YY1Axn8yA3NNPivYOzmqJH9UJf5kDlSLYJs+hgp5BRYRnnYPuS7ywOzAbF3rZyFUIGhfWkzjsXuVACA==
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

2026-09-15T20:00:19.951102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001641
observed b460a7e51e2bea6a5d7bff9aa663ee04...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:19.923187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001641/manifest.json
observed 1a0cf465aa7705535ea1cd48dfdc6405...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:00:19.910527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001641/publication.txt
observed ce9015d2c364f262158974ec0de9e0b0...
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