OpenTechnical

OT-2026-000002183

Publication integrity record

Robot with tennis ball gathering capabilities

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-2026-000002183) never changes.

Identity and time

Publication numberOT-2026-000002183 · never reused
Internal UUID01a0a67b-1433-7b29-ae31-cf8164fcfc23 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:11:19.091560Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002183
StatusPUBLIC

Content hashes

Canonical text508b53a72a444aca800f8d1ac620c153d24b2e4c4c4dc0f90ef9e419b727b33f
Markdown406542b5debbba27b51cae4eb9dc3599189ac7d55824894514ca7e883621ad9f
PDF
Publication pagecf8e5d28a11ea88f834e9dbc6e2692f0bd618ff80af034bbf98519938d058206
Manifest78694af69360915f147a22c2cc954ad42380d112c073c21200b9524561988e39

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
Signaturep0jYgBpn69hZg4wW2jsYjCdfFi4p1pxQNk9PxWPQDRcdXwNvSS8fFqv4iq6zYPPwvtDbcGfnshQIJiIHm8VYCw==
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

2026-10-02T20:41:05.044527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183
observed cf8e5d28a11ea88f834e9dbc6e2692f0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:04.964650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183/manifest.json
observed 78694af69360915f147a22c2cc954ad4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:04.881756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183/publication.md
observed 406542b5debbba27b51cae4eb9dc3599...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-02T20:41:04.730165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183/publication.txt
observed 508b53a72a444aca800f8d1ac620c153...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:50:16.164640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183
observed cf8e5d28a11ea88f834e9dbc6e2692f0...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:16.138479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183/manifest.json
observed 78694af69360915f147a22c2cc954ad4...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:16.126959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002183/publication.txt
observed 508b53a72a444aca800f8d1ac620c153...
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