Pith Number

pith:YET4MER7

pith:2021:YET4MER74PYYLQGKRMJ5NHXX7V

not attested not anchored not stored refs pending

An Extreme Learning Machine-Based System Frequency Nadir Constraint Linearization Method

Haocheng Luo, Likai Liu, Nikhil Pathak, Zechun Hu

arxiv:2108.05673 v2 · 2021-08-12 · eess.SY · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YET4MER74PYYLQGKRMJ5NHXX7V}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T03:25:33.979860Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c127c6123fe3f185c0ca8b13d69ef7fd718a30e189c5ae60cdb2df0251d91114

Aliases

arxiv: 2108.05673 · arxiv_version: 2108.05673v2 · doi: 10.48550/arxiv.2108.05673 · pith_short_12: YET4MER74PYY · pith_short_16: YET4MER74PYYLQGK · pith_short_8: YET4MER7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/YET4MER74PYYLQGKRMJ5NHXX7V \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c127c6123fe3f185c0ca8b13d69ef7fd718a30e189c5ae60cdb2df0251d91114

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2a61ea69b82518550da23dacdf133c75447343ea1cda6edff8ef99b82034a90",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-08-12T11:37:48Z",
    "title_canon_sha256": "e4c61e17612d69825de6108b5fd888dfc41a675a89c3a1eb29bc5c52c46eb06f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.05673",
    "kind": "arxiv",
    "version": 2
  }
}