OpenTechnical

OT-2026-000001903

Publication integrity record

Quadrupedal walking 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-2026-000001903) never changes.

Identity and time

Publication numberOT-2026-000001903 · never reused
Internal UUID01a0a679-552e-7954-8f3d-bd561343282d · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:09:24.654802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001903
StatusPUBLIC

Content hashes

Canonical text939eaca4844883162d820be1bb9bd88cafe226e8a80739ec130ed07d2cb8526d
Markdown268ea80776c19b3c26eb6b03e7c2500521b8b16e579f8d0a73d83637eab60f78
PDF
Publication pageaaf77b108de64e51212edb9abb0157b45250d5cbf8cd85c08f8ff709f249b72c
Manifest48e19177c2603785426c26ba1a0a8917916468d20f3a8edf0a6a3ec7f30ba53f

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
SignatureAWKKuOxN0i3+9T7Ivz6OdkmERYrxZdYMCzVWLKr7K+yorb7bvS6zWKYi9NeoQ4sW6rY0Dg0hnBa8VaeE42i/DQ==
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

2026-09-30T04:41:23.874447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903
observed aaf77b108de64e51212edb9abb0157b4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:23.824978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/manifest.json
observed 48e19177c2603785426c26ba1a0a8917...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:23.774257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/publication.md
observed 268ea80776c19b3c26eb6b03e7c25005...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-30T04:41:23.654952ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/publication.txt
observed 939eaca4844883162d820be1bb9bd88c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:46.569509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903
observed aaf77b108de64e51212edb9abb0157b4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:46.507183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/manifest.json
observed 48e19177c2603785426c26ba1a0a8917...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:46.421460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/publication.md
observed 268ea80776c19b3c26eb6b03e7c25005...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T12:41:46.186923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001903/publication.txt
observed 939eaca4844883162d820be1bb9bd88c...
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