OpenTechnical

OT-2026-000001498

Publication integrity record

Multi-axis modular coupling system for mobile 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-2026-000001498) never changes.

Identity and time

Publication numberOT-2026-000001498 · never reused
Internal UUID01a0a676-6ed5-7640-8af0-04d22f0043f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:06:14.613753Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001498
StatusPUBLIC

Content hashes

Canonical texta5199b5c96634e7d172493f7c232c946f8fa56c84fd0b61d2b36d50f2bd0830c
Markdown8f7e26805c6019a6e7d99d7a2beaed7755e0667e5ea5152b94804bf4b9e41e7b
PDF
Publication pagec88abc7daad828f048598d513a84df5e06bbb603db3f7c18024e1a6a53794f2a
Manifest9855f60f4384316240e2f96a0b798d3ac42c6e69f673238aa336539f7c81bf09

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
Signature9ENeoPkTEh68815ZxT3VUwLALmebGgXDbleC8XRhBEjl8XKgnXhMmpQa3T7kEww9w+xwRzQc63Y4AUf/QvnDDw==
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

2026-10-02T04:23:11.305579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498
observed c88abc7daad828f048598d513a84df5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:11.293939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/manifest.json
observed 9855f60f4384316240e2f96a0b798d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:11.280926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/publication.md
observed 8f7e26805c6019a6e7d99d7a2beaed77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-02T04:23:11.131685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/publication.txt
observed a5199b5c96634e7d172493f7c232c946...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T04:41:23.070871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498
observed c88abc7daad828f048598d513a84df5e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:22.928316ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/manifest.json
observed 9855f60f4384316240e2f96a0b798d3a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:22.644875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/publication.md
observed 8f7e26805c6019a6e7d99d7a2beaed77...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T04:41:22.454082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001498/publication.txt
observed a5199b5c96634e7d172493f7c232c946...
fetched by grabo-systems from 34.44.131.203, 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