OpenTechnical

OT-2026-000001438

Publication integrity record

Arm for a conveyor system

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-2026-000001438) never changes.

Identity and time

Publication numberOT-2026-000001438 · never reused
Internal UUID01a0a676-1102-77f4-858e-7d7e0cff3a55 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:05:50.594615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001438
StatusPUBLIC

Content hashes

Canonical text8cd982875208b44c59ff276bcd30830fdeedd88b6c0a83b8ec8f2f7f77defcf4
Markdown4df0fd4747e742b624cbadcf518b2a9fa929ac7b0bf5e15395699e3fcb013c45
PDF
Publication pagea519a55cdb7abe53fae11e4813b07f33a73b25ec8ea1a8e7d03bf221100af210
Manifest3446a00c3302abf05cd63bc8a93d74d9a70f6f1dbdbaf417428dedf63abd33ab

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
SignaturegKnlE9so/F6FFWq1rbV7oMFFPLwC6QM+pTMqfmeRNRjfMbj6CYTq5bZH4vHvdmpbzTk5cXb9eywVrr6fAmaiAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:07:03Z
batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof
root 6369baadb1a246009d149835804d20ba...

Independent retrieval

2026-10-16T20:42:14.305277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438
observed a519a55cdb7abe53fae11e4813b07f33...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:42:14.236490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438/manifest.json
observed 3446a00c3302abf05cd63bc8a93d74d9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:42:14.166910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438/publication.md
observed 4df0fd4747e742b624cbadcf518b2a9f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-16T20:42:14.004171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438/publication.txt
observed 8cd982875208b44c59ff276bcd30830f...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T20:10:15.575920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438
observed a519a55cdb7abe53fae11e4813b07f33...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:15.545574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438/manifest.json
observed 3446a00c3302abf05cd63bc8a93d74d9...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T20:10:15.529140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001438/publication.txt
observed 8cd982875208b44c59ff276bcd30830f...
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