OpenTechnical

OT-2026-000002130

Publication integrity record

Robotic arm cooperating with an off-road capable base vehicle

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-2026-000002130) never changes.

Identity and time

Publication numberOT-2026-000002130 · never reused
Internal UUID01a0a67a-c726-78cc-bc82-8e9403e30e6b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:59.366699Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002130
StatusPUBLIC

Content hashes

Canonical text6b5bb130c25525f8da98eaf791fa785c8b341b8fa5c6295bdb70eebf8491599f
Markdowne81e31b3d0cdb0bf24919c3b6617595c9917b57de6e6d67886574742f1fff04c
PDF
Publication page15d669471bef59395918bf67ede4c193b5c86d2bf6a1a9f810dcd8334c1b0a81
Manifest2f7d8b9731b552c618dd201999af25d45a428924f1d59992efe01c796c26b931

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
Signature4DRUkH4ULAtjmNkoL6mWokgrv3+5bmd/IVZp8yoFkk7cw6qJvT283QKrDCnJ0zCGaQYBYeVR1IS3GzaVKGAmCQ==
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

2026-09-15T19:50:21.933132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002130
observed 15d669471bef59395918bf67ede4c193...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:21.902240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002130/manifest.json
observed 2f7d8b9731b552c618dd201999af25d4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:21.889023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002130/publication.txt
observed 6b5bb130c25525f8da98eaf791fa785c...
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