OpenTechnical

OT-2026-000002877

Publication integrity record

Robot wheel driving apparatus

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-2026-000002877) never changes.

Identity and time

Publication numberOT-2026-000002877 · never reused
Internal UUID01a0a67f-4e97-793f-b37d-f1ebc7b88acc · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:56.184153Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002877
StatusPUBLIC

Content hashes

Canonical text3fe95f2e5c5f1fa5af3dda68705206d4d98faac6ccf2473b221dec512759083d
Markdown03c3e36c0cba9176071b3bf15aed1f7984a648f47e871758b016e2d03882c3ca
PDF
Publication page4eeaf1837d144664af6f8607f14e5985c7c759087039411792c6cf55ec01bde4
Manifestdcda7db52d59bbcf8df5e92dffec4295074f2889977f63d33a41791236fc1e6a

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
Signatureolo2zl/P2SK+mhu0WW0zmWnj3yUv7Z6jjjn9SAZi2d4owPZCi7RmDDmciRHKEDIinnJx8TjoIR36/hrkSePTCg==
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

2026-10-11T04:41:44.971896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877
observed 4eeaf1837d144664af6f8607f14e5985...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:44.898006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877/manifest.json
observed dcda7db52d59bbcf8df5e92dffec4295...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:44.814750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877/publication.md
observed 03c3e36c0cba9176071b3bf15aed1f79...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-11T04:41:44.611817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877/publication.txt
observed 3fe95f2e5c5f1fa5af3dda68705206d4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.724850ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877
observed 4eeaf1837d144664af6f8607f14e5985...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.696397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877/manifest.json
observed dcda7db52d59bbcf8df5e92dffec4295...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.684062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002877/publication.txt
observed 3fe95f2e5c5f1fa5af3dda68705206d4...
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