OpenTechnical

OT-2026-000001831

Publication integrity record

Systems, devices, and methods for performing optimized picking and placing operations in a manner to minimize void space

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-2026-000001831) never changes.

Identity and time

Publication numberOT-2026-000001831 · never reused
Internal UUID01a0a678-e59f-74b4-9e22-3a47338d9705 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:56.095687Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001831
StatusPUBLIC

Content hashes

Canonical textf3f2f2bd216a3e5d93f875cbe29fd076558910d62b7fbca8cef4dc641ca913a3
Markdown70a293a5b8845b711f32f20725c633eac79b596eb98607a9ac1bc99862f725f8
PDF
Publication page3e324a5df7d6f7fddcfa46ba8752e9b12fe40c8ac67f774269a5eb0cf8102278
Manifesta2d09b4bba632a6ba97a51fea5c9f41d99baba78fe8f9209f1485af7360b5f89

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
SignatureYpm+L4rtUQspoi+ZEK+HJgwY6b0jXZRGxTBBvRG+37mrVDuWH8hhSz/08e5khQd1DSRjJxORu3kMZmwQl/FqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:10:20.880168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001831
observed 3e324a5df7d6f7fddcfa46ba8752e9b1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:20.852227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001831/manifest.json
observed a2d09b4bba632a6ba97a51fea5c9f41d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:20.838754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001831/publication.txt
observed f3f2f2bd216a3e5d93f875cbe29fd076...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent