OpenTechnical

OT-2026-000010338

Publication integrity record

Electromagnet gripper, on a tool changer

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-2026-000010338) never changes.

Identity and time

Publication numberOT-2026-000010338 · never reused
Internal UUID01a0ae6c-0ee6-7469-af62-115a47defcd9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010338
StatusPUBLIC

Content hashes

Canonical text0c0aaeb8dfb593b657fe753e110feb687109edb3ab6537c6be70ef3868c5435f
Markdown65e828413c5b22db6607bb4211d2e557c4c3df8c9f769e4b8acb089210875aac
PDF
Publication pagead0f1ea2f014e80fc12a6217b141e1a429f6fe51352f6ba643b6a544b9786dbe
Manifest85f528b47ec0415398bd3d02547365a06d173808b18c2f0326dda71a00144204

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
SignatureII2RXq6KFALApQyIctIuKJlarZQPRElkYk4YrAH+RxAMxH9aCPYtfYO6IyfOhujkZ1NRn6x7slHnSz8ufzF5DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:14:21.684393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010338
observed ad0f1ea2f014e80fc12a6217b141e1a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.666484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010338/manifest.json
observed 85f528b47ec0415398bd3d02547365a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.646330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010338/publication.md
observed 65e828413c5b22db6607bb4211d2e557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:21.625783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010338/publication.txt
observed 0c0aaeb8dfb593b657fe753e110feb68...
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.