OpenTechnical

OT-2026-000002111

Publication integrity record

Robotic manipulator arm

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-2026-000002111) never changes.

Identity and time

Publication numberOT-2026-000002111 · never reused
Internal UUID01a0a67a-abf8-7969-9c21-f28031518e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:52.409266Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002111
StatusPUBLIC

Content hashes

Canonical text3a9e4babe99e46f559c3164616bd289c78aa15fee3d932846c8663e7f0bcaa42
Markdownaadf9394f7d6c0f34791fe77233521dc43ee628852bb58537de7135b0c1546ae
PDF
Publication page802735b0d5d0ba8abf1e1b6666b7cf793b8ce15767548f3b5ad5994a52a9c4c7
Manifestc1b19231e52575e71a9cebf85591fd1b7eb85a86ee89fbb12dc4c9a21785525b

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
SignatureIng9yo9G2ObKW3id6yj10CAtSkwGTUPWWL0ChY9/DrI1eOfxU3BwaWmjClgLyGy5pSk4042cn3N0c0KatV61BA==
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

2026-09-17T04:23:16.099755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111
observed 802735b0d5d0ba8abf1e1b6666b7cf79...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:16.085602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111/manifest.json
observed c1b19231e52575e71a9cebf85591fd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:16.069701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111/publication.md
observed aadf9394f7d6c0f34791fe77233521dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T04:23:16.026592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111/publication.txt
observed 3a9e4babe99e46f559c3164616bd289c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-15T19:50:23.917150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111
observed 802735b0d5d0ba8abf1e1b6666b7cf79...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:23.887399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111/manifest.json
observed c1b19231e52575e71a9cebf85591fd1b...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:23.872827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002111/publication.txt
observed 3a9e4babe99e46f559c3164616bd289c...
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