OpenTechnical

OT-2026-000002902

Publication integrity record

Conveyor controller with roller detection 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-2026-000002902) never changes.

Identity and time

Publication numberOT-2026-000002902 · never reused
Internal UUID01a0a67f-6bdb-7451-9f34-5400fe9efad7 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:16:03.675408Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002902
StatusPUBLIC

Content hashes

Canonical textd4c4ba902c5b7ceb43987aaf05806a0c2d16693f50e38ad3a64f99498baf6a96
Markdownf5021a9ec3860b98847571275e15c7cd11db51d69bf068618c1ff9a84e318f40
PDF
Publication pageb83de2a6dc3ca1c22868fd69f39db250701683b99edbb5dedc120d66e91b9103
Manifest0cf7ad973e7c694ae3be6b16c7dfc3d5f53d4accd5838a9db486adeaec0324c0

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
Signature3nILGF5HJ2G7NFDU+feDaio9tPEXVyqPDFxfkwIQnDK2d9ZwOfE4nNwJ2MsehKrDwL3Cr1hv6fxi4579Wq6vDA==
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

2026-09-21T00:43:58.538336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902
observed b83de2a6dc3ca1c22868fd69f39db250...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:43:58.270682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902/manifest.json
observed 0cf7ad973e7c694ae3be6b16c7dfc3d5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:43:58.046641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902/publication.md
observed f5021a9ec3860b98847571275e15c7cd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-21T00:43:57.659824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902/publication.txt
observed d4c4ba902c5b7ceb43987aaf05806a0c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.187203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902
observed b83de2a6dc3ca1c22868fd69f39db250...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.161141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902/manifest.json
observed 0cf7ad973e7c694ae3be6b16c7dfc3d5...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:20:21.150031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002902/publication.txt
observed d4c4ba902c5b7ceb43987aaf05806a0c...
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