OpenTechnical

OT-2026-000001749

Publication integrity record

Apparatus for collecting robot training data

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-2026-000001749) never changes.

Identity and time

Publication numberOT-2026-000001749 · never reused
Internal UUID01a0a678-6b9a-7acd-b06e-743a9acb2115 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:24.861719Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001749
StatusPUBLIC

Content hashes

Canonical text4379ae8ca360b806def5454b83b21c2adda48d958cfe182114e24b1b9e2d6006
Markdown8a3874df890802b62936f4ddbbcc7af9e5dec4fac5b55ead598993edaef3b65c
PDF
Publication page369c3ae7b958e27e4f0dfda15f218795abc27afb37a865759d80e552bb27cb13
Manifestf6a15136617aa4f5eb7ea12e285eba57deeb8cec353d9d6ec3cf2ef3f4efbbb0

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
SignaturegcM+qo8Fpbr0A7QMrlGEUS3lK21OKC1Jms7eMcRt9sk73zrY5o34/V5jqkDn+y19jbTJ3FvqMu8EVxSsc0QPDw==
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

2026-10-26T00:41:59.035205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749
observed 369c3ae7b958e27e4f0dfda15f218795...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:58.959547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/manifest.json
observed f6a15136617aa4f5eb7ea12e285eba57...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:58.833756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/publication.md
observed 8a3874df890802b62936f4ddbbcc7af9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-26T00:41:58.623240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/publication.txt
observed 4379ae8ca360b806def5454b83b21c2a...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:38.672930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749
observed 369c3ae7b958e27e4f0dfda15f218795...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:38.593393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/manifest.json
observed f6a15136617aa4f5eb7ea12e285eba57...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:38.518722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/publication.md
observed 8a3874df890802b62936f4ddbbcc7af9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T20:41:38.354727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001749/publication.txt
observed 4379ae8ca360b806def5454b83b21c2a...
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