OpenTechnical

OT-2026-000002699

Publication integrity record

Manipulator for an industrial robot with dual joints assembly

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-2026-000002699) never changes.

Identity and time

Publication numberOT-2026-000002699 · never reused
Internal UUID01a0a67e-3a08-74e8-864a-8b9d6c4abaf0 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:14:45.384385Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002699
StatusPUBLIC

Content hashes

Canonical texta4b91db15b2435df896738fc924aa6d218e5be636682c8dfcf6292712c140e93
Markdowna93a6010c2542e32196f6d63712c0c95532027c78dff78a107b0586c2af61999
PDF
Publication pagecf309a55420b3a3d28bfb0a55e5bb9875333cb49cb7da24ef067b94ded8f3312
Manifest67a5720aee74de409af6cb41266418880e5d5e41a73aebee1f2042e1c814b849

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
SignaturekWndN7ww3QL+fOsDL5LXpl9YMO+vNu2ZhkwE2PAoMmh2TJc1akjw3JcxiBGU9zemOBytrm9Y8j1xVvo3Vhh/Aw==
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

2026-09-15T19:30:15.115038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002699
observed cf309a55420b3a3d28bfb0a55e5bb987...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:15.082799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002699/manifest.json
observed 67a5720aee74de409af6cb4126641888...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:30:14.949775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002699/publication.txt
observed a4b91db15b2435df896738fc924aa6d2...
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