OpenTechnical

OT-2026-000003412

Publication integrity record

Articulated arm 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-2026-000003412) never changes.

Identity and time

Publication numberOT-2026-000003412 · never reused
Internal UUID01a0a6be-31de-7080-b485-6e8485513856 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T20:24:37.599526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003412
StatusPUBLIC

Content hashes

Canonical text3c0654a6e649e716533a62ae2544d82bdfc15d6a4be8582937ab5d8d128a3181
Markdown20decfba62e9e372a7fdd11d693c69cf1f532dc65ebbd04853aae1d51357f11c
PDF
Publication pagec875663a0cd0b96a5a9763c05f25a6190d86b5c411bb7bc18ed40fe23b982d3d
Manifest2e104298e487d9559608d628661ba24c4c45a63264f318404d2780f6a014d8e9

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
Signatureesc+b8vuYBpoEpHS+T7d4dbM7EgQVocSYFiLon2k5RnX44sOudLXdxWEVPW+5Cxja4ETVws/kpETOWdn0td1CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T20:27:02Z
batch OT-TS-2026-W38-005 · RFC 3161 token · inclusion proof
root 0d980c01ea01b2d7f69845e24a85320c...

Independent retrieval

2026-09-16T16:41:56.982109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412
observed c875663a0cd0b96a5a9763c05f25a619...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:56.850040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412/manifest.json
observed 2e104298e487d9559608d628661ba24c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:56.687069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412/publication.md
observed 20decfba62e9e372a7fdd11d693c69cf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T16:41:56.489101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412/publication.txt
observed 3c0654a6e649e716533a62ae2544d82b...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:30:08.401598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412
observed c875663a0cd0b96a5a9763c05f25a619...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:08.366941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412/manifest.json
observed 2e104298e487d9559608d628661ba24c...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:30:08.232205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003412/publication.txt
observed 3c0654a6e649e716533a62ae2544d82b...
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