OpenTechnical

OT-2026-000007331

Publication integrity record

Magnetic end effector, plant vacuum fed, contact triggered on the face, permanent magnet

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-2026-000007331) never changes.

Identity and time

Publication numberOT-2026-000007331 · never reused
Internal UUID01a0a97a-f3eb-7254-ac6c-38d7fddf235a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:10:02.478115Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007331
StatusPUBLIC

Content hashes

Canonical textcd78bdd4acb7b08aa896d185ee5b3de0021b7e4ddf5ae09d82726519e43d8f6c
Markdown36c1851717fceb8a116ed0d6f7ebf5404b8c160b0ab476095cb22fcbd91f3872
PDF
Publication page92d723b27b8ae82ce40aec1326ff76805c449ccc64cec2fd3452c4aa4b84b86c
Manifest2a4d36cca4eb6cc35360de14b89b6801a6a0e5d6b5a44e77392e46a76ac7a168

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
SignaturetjkkoRLUyt9TMYlhkFXTFMrKHPrA8uiSlkJHekx1IctDI8maLvXnFo4vsceyOpNfOuWfqxQD2gTqpib1aTlPBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:10:03.130881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007331
observed 92d723b27b8ae82ce40aec1326ff7680...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:02.989518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007331/manifest.json
observed 2a4d36cca4eb6cc35360de14b89b6801...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:02.956288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007331/publication.md
observed 36c1851717fceb8a116ed0d6f7ebf540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:02.938016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007331/publication.txt
observed cd78bdd4acb7b08aa896d185ee5b3de0...
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.