OpenTechnical

OT-2026-000002881

Publication integrity record

Hands free advance control for material handling vehicle

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-2026-000002881) never changes.

Identity and time

Publication numberOT-2026-000002881 · never reused
Internal UUID01a0a67f-5462-7e4e-880b-b94a6d6f48ef · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:15:57.666717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002881
StatusPUBLIC

Content hashes

Canonical text2f1129ac3f6feb7dff481f99848d84a36949d823771e057fab48159d096e9d05
Markdown7885ba4f0cc6fa60171bec7bd4d4e6d4e776eaf7d5cc2f9ee51c20a46c7956f3
PDF
Publication pageb3d9f82d336bcb4260f9eed08ea5b046655577432a5e669e8513a8d7e5db2b70
Manifest4e9c3f4ddf84ba0dc074a262e231fc069da25fb0e32dd7da4bc0de5be383b5bb

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
SignatureSD7/UJcCIFiP4II1Pky33xyOPe8L2IVCk8tFfCPAbt6pS7ObmIg5y6irV83wCYzv9BiL4avCTu0xXMFKCg/ADQ==
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

2026-09-17T00:41:34.278319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881
observed b3d9f82d336bcb4260f9eed08ea5b046...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:41:34.071179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881/manifest.json
observed 4e9c3f4ddf84ba0dc074a262e231fc06...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:41:33.789411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881/publication.md
observed 7885ba4f0cc6fa60171bec7bd4d4e6d4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T00:41:33.551012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881/publication.txt
observed 2f1129ac3f6feb7dff481f99848d84a3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.391418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881
observed b3d9f82d336bcb4260f9eed08ea5b046...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.241674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881/manifest.json
observed 4e9c3f4ddf84ba0dc074a262e231fc06...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:23.229642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002881/publication.txt
observed 2f1129ac3f6feb7dff481f99848d84a3...
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