OpenTechnical

OT-2026-000010778

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-2026-000010778) never changes.

Identity and time

Publication numberOT-2026-000010778 · never reused
Internal UUID01a0ae6c-0ee9-761d-b2c5-3ba6f2fb21b6 · 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-2026-000010778
StatusPUBLIC

Content hashes

Canonical textff62f5a7a173a000ab7ecceaa649a99e71aea8508b470048a301b01c32665736
Markdowna9fe3552cfe9e915affa4db7a77394f94b7ac5a92166c42e8d5c51595cd1b0c8
PDF
Publication page011f487fd749c2cf62aa512170fb9d480853c9acf0e4f2ee2389ab7e6bbfbc04
Manifest662330e97eddc92050f45ae0dc9989833e5c22866b931789cfd62e59ea4547e1

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
SignatureFl4GtVWPJprvBv+a++iHFYuVI9PbVmc4j3p+A9hMd3Fz1gZkIkv4rqznloZ+Z3LpMWtOC3Oiz+tkc0uoG5zhAA==
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

2026-09-17T12:15:42.186710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010778
observed 011f487fd749c2cf62aa512170fb9d48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.158092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010778/manifest.json
observed 662330e97eddc92050f45ae0dc998983...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.131951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010778/publication.md
observed a9fe3552cfe9e915affa4db7a77394f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:42.106134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010778/publication.txt
observed ff62f5a7a173a000ab7ecceaa649a99e...
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.