OpenTechnical

OT-2026-000010002

Publication integrity record

Permanent magnet gripper, stripped after set-down, 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-2026-000010002) never changes.

Identity and time

Publication numberOT-2026-000010002 · never reused
Internal UUID01a0ae6b-cb79-7126-883f-cc49b1b5e21e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010002
StatusPUBLIC

Content hashes

Canonical text3424cfc26159e76bdc619d834a80a9f7244f3879f1ab8eda7acdf7ebd9811ee5
Markdown94c71c64cd5220391c6ad659403f536ce8a4b7dca98af31d48fb6684db963c71
PDF
Publication page4c1eee393d5f407e9252404f2ff314adcbcd074bec1bba486e07e71952ebd311
Manifestf5bfa16818b7aa42d95c4c0b7e8eca111b1e31a45125d2dfe208ce82bcc6f975

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
SignaturecdatSwr4nvN8I5nCZT4LVmzH1qKz+Z+f9KZZ7hCsjCOm7hC6nH7UPmye11KgJ7jeujKQm6XbGynjHNRvsK5fAg==
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

2026-09-17T12:16:03.106723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010002
observed 4c1eee393d5f407e9252404f2ff314ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.088977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010002/manifest.json
observed f5bfa16818b7aa42d95c4c0b7e8eca11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.071446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010002/publication.md
observed 94c71c64cd5220391c6ad659403f536c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:03.054164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010002/publication.txt
observed 3424cfc26159e76bdc619d834a80a9f7...
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.