OpenTechnical

OT-2026-000011732

Publication integrity record

Four finger electric 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-2026-000011732) never changes.

Identity and time

Publication numberOT-2026-000011732 · never reused
Internal UUID01a0ae6d-1940-7c8a-b550-a1e5cf8e4203 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011732
StatusPUBLIC

Content hashes

Canonical textcc9647a3af05d5d43fcb86e75e6994a523c6e52e358a01b71d27fe51db6fcfb3
Markdownc8ad6b890918d4538ce887976027227bcf5c375d17a8563509190f3e7614529d
PDF
Publication page782e4f648670f1eed9f32911b6b5485b1a47368e1114e6dd86a0b201b896f202
Manifestbdeca284303e63dafd94ce207d7dfe5ce5b39a07ac09768cfba652589dc06074

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
Signaturehu/f2FXLibkUWe7NaHkrzaAq85bA0xKXsZltySzLvSwCNvRx3npFm6QiXY8tD/jgko2FYJ94p7Qkezaf4fNFCA==
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

2026-09-17T12:12:20.965969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011732
observed 782e4f648670f1eed9f32911b6b5485b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.944916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011732/manifest.json
observed bdeca284303e63dafd94ce207d7dfe5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.927885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011732/publication.md
observed c8ad6b890918d4538ce887976027227b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:20.907452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011732/publication.txt
observed cc9647a3af05d5d43fcb86e75e6994a5...
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.