OpenTechnical

OT-2026-000001885

Publication integrity record

Robot simulation device

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-2026-000001885) never changes.

Identity and time

Publication numberOT-2026-000001885 · never reused
Internal UUID01a0a679-38bb-7840-9a4e-0ba6f43fbe15 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:17.372230Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001885
StatusPUBLIC

Content hashes

Canonical textb93fe10c64c38a62221be8fd09d679896ea68275142825a78c9a641ac4085396
Markdown87a94a3eac22a2ae4e8667fd67f844d57552116ec69d06de35394cb716234307
PDF
Publication page45ea1cacba61bc8447fb214799e54757fc4f4fd00b5aea7583fb716ece3adab5
Manifest62616dee82147510e641975cdb36eaed61384005426ccb54a5c7b93ffe2e71ce

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
SignatureuaKT76a7XxHBBx4k8Fx+IU4dv4obQtvfTNlMqHZ5n+t7JKxdVt52XZNrL5Z2Yo0eh52YIHtVo13GbkKPXlTCAQ==
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

2026-09-15T19:10:15.087586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001885
observed 45ea1cacba61bc8447fb214799e54757...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:14.933368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001885/manifest.json
observed 62616dee82147510e641975cdb36eaed...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:14.919734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001885/publication.txt
observed b93fe10c64c38a62221be8fd09d67989...
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