OpenTechnical

OT-2026-000002921

Publication integrity record

Conveyor device and aligning device

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-2026-000002921) never changes.

Identity and time

Publication numberOT-2026-000002921 · never reused
Internal UUID01a0a67f-815f-7e29-b823-6f708d2a0e0b · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:09.183894Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002921
StatusPUBLIC

Content hashes

Canonical textab121161c7582ce9babe39327a710a984a91cff0fa979e5e41e0ee9b25fff574
Markdown4ecae822730e0e3ea5439bef71d9921ecce73a8c9050a2e04f33f09931ffaa70
PDF
Publication page2c515191ac4a955acf8882ddd28773be5493d42c8c61c269627fdc49a5642585
Manifest2d5ae9461a2b26b2ac3ddb8e5a2d23d5ddc7ca0d2600c5dd77c1e5ec935f4f6b

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
SignaturenuwcEsBq0uES9G2nOI8y7vmrK8BDWcsHNLHz4rmuss3oBDCNY/cJT0LF+HpCNRi+gXElIXVtlCIcpc6vT4q3Dg==
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

2026-10-16T04:23:26.279392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921
observed 2c515191ac4a955acf8882ddd28773be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-16T04:23:26.266544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/manifest.json
observed 2d5ae9461a2b26b2ac3ddb8e5a2d23d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-16T04:23:26.254723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/publication.md
observed 4ecae822730e0e3ea5439bef71d9921e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-16T04:23:26.180233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/publication.txt
observed ab121161c7582ce9babe39327a710a98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-10-12T12:41:13.875077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921
observed 2c515191ac4a955acf8882ddd28773be...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T12:41:13.800986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/manifest.json
observed 2d5ae9461a2b26b2ac3ddb8e5a2d23d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T12:41:13.724042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/publication.md
observed 4ecae822730e0e3ea5439bef71d9921e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-12T12:41:13.585993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002921/publication.txt
observed ab121161c7582ce9babe39327a710a98...
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