Pith Number

pith:RND4FAPH

pith:2018:RND4FAPHRAVQ3MWXMBXGSCEGJL

not attested not anchored not stored refs pending

A Simple Generalized Gradient Approximation for the Non-interacting Kinetic Energy Density Functional

K. Luo, S.B. Trickey, V.V. Karasiev

arxiv:1806.05205 v3 · 2018-06-13 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RND4FAPHRAVQ3MWXMBXGSCEGJL}

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	2026-05-18T00:09:11.244517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b47c281e7882b0db2d7606e6908864af7a4d935b42b1842972031f4b39f5d0c

Aliases

arxiv: 1806.05205 · arxiv_version: 1806.05205v3 · doi: 10.48550/arxiv.1806.05205 · pith_short_12: RND4FAPHRAVQ · pith_short_16: RND4FAPHRAVQ3MWX · pith_short_8: RND4FAPH

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/RND4FAPHRAVQ3MWXMBXGSCEGJL \
  | 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: 8b47c281e7882b0db2d7606e6908864af7a4d935b42b1842972031f4b39f5d0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a011e8231d5e94ebd500f3a57ff0f44143b68048f6213f6fa116a1783b3b33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-06-13T18:14:16Z",
    "title_canon_sha256": "e2dcfebdfef561161eb7b1cde43929708b1060b2e8eb8041d2eda3bd98e835ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.05205",
    "kind": "arxiv",
    "version": 3
  }
}