OpenTechnical

OT-2026-000003524

Publication integrity record

Magnetic end effector on a tool-change interface for job changeover

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-2026-000003524) never changes.

Identity and time

Publication numberOT-2026-000003524 · never reused
Internal UUID01a0a908-460c-751a-9236-14b5cbc09be1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:04:46.862909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003524
StatusPUBLIC

Content hashes

Canonical texta8c3d9e18a039f7e8e8e4b2e4d1051d1d07369936fd424518e74ded972567fef
Markdown43df47c90a03e5865d6bf4ae43621423da377d1d572ef030dba0b482c9d6c0c2
PDF
Publication page66ab22e9adeb3b09550c9e7a9f7fc39ad3cf1996615819530ccea75fe2ebb136
Manifest66fe18c64667bac854827fa0b08704e5da419bde34e98d894b0405ef8a9f7de8

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
Signature31KVsZVNj9H9eZD+4fh3efrEu1U3fn8nrMulKff7V9VQHPEaqaSdl3oWdTynm89cy5enE7gqgDsGzeSnBhDpDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:07:02Z
batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof
root e9da7eb1c397f1749e5915c5a39dbbcf...

Independent retrieval

2026-09-16T08:50:35.491862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003524
observed 66ab22e9adeb3b09550c9e7a9f7fc39a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.478786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003524/manifest.json
observed 66fe18c64667bac854827fa0b08704e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.464064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003524/publication.md
observed 43df47c90a03e5865d6bf4ae43621423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:35.427734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003524/publication.txt
observed a8c3d9e18a039f7e8e8e4b2e4d1051d1...
fetched by instance-3.rotem.ai from 34.69.0.72, 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

Custody packagePending Custody packages are produced weekly.