OpenTechnical

OT-2026-000006618

Publication integrity record

Magnetic end effector, contact triggered, permanent magnet, 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-2026-000006618) never changes.

Identity and time

Publication numberOT-2026-000006618 · never reused
Internal UUID01a0a961-88d2-744c-96ba-c32f672d4f2e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:16.661331Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006618
StatusPUBLIC

Content hashes

Canonical text26d5dd2122e6db846cb138ba825d1d2710688e0f2e7724f815aa76a17ac283cd
Markdown76bd2184f8e7f9e2430f12b909accbd69b0d84592fad93b1d07b8a0b6cb5b67f
PDF
Publication page8bc396342449f1cba5613805094294f1380e7bdd97139b71f766cbbf59acff1c
Manifestfae274cd819ec5d9d4f18a821b904ae254c7827744a0d781375360bdc2fe0735

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
Signaturem5pka3crgI/rQAldCXUdfA2ntoamitYmd5yXkM2kAy4AS+jL4k8zLpf2TLAMFuQ4+hcjS+WeveCFHdQy0haIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:24.693308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006618
observed 8bc396342449f1cba5613805094294f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.678943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006618/manifest.json
observed fae274cd819ec5d9d4f18a821b904ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.664852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006618/publication.md
observed 76bd2184f8e7f9e2430f12b909accbd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.651783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006618/publication.txt
observed 26d5dd2122e6db846cb138ba825d1d27...
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.