OpenTechnical

OT-2026-000001142

Publication integrity record

Vertical articulated robot

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-2026-000001142) never changes.

Identity and time

Publication numberOT-2026-000001142 · never reused
Internal UUID01a0a674-5061-78fa-b227-5bea6183cd9d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:03:55.745643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001142
StatusPUBLIC

Content hashes

Canonical text1442920fdb306217d7738bb0293b7d5ff06199742f708ffd57740f469509497a
Markdownc1abd9d00d5e8a317ffc0bbda764401631330ef1d7d3cbbd00f38ebef4481ca3
PDF
Publication page37f76b80d814e95452bc97f2bf7780631ea1b1cee8da518ef9747b711e1da492
Manifestf8fb24b93c74860115fb36c110293adc3e315003d009bf4fb42ce72c70178306

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
Signature2GLQ2eP5oZm1iAwXqiZ9RvS+OFr2UlOjH2sfJGxSO97G4LBGyu+obBZEG8MJLTqsqr3TsZGNKNtlncuvUIMMAA==
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

2026-09-15T20:20:19.427138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001142
observed 37f76b80d814e95452bc97f2bf778063...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:19.400438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001142/manifest.json
observed f8fb24b93c74860115fb36c110293adc...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:20:19.388672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001142/publication.txt
observed 1442920fdb306217d7738bb0293b7d5f...
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