Pith Number

pith:MPZJ7DAH

pith:2014:MPZJ7DAHJ4O6UZF3XYOGLMESVC

not attested not anchored not stored refs pending

Laplacian-level kinetic energy approximations based on the fourth-order gradient expansion: Global assessment and application to the subsystem formulation of density functional theory

E. Fabiano, F. Della Sala, L. A. Constantin, S. Laricchia

arxiv:1403.4448 v1 · 2014-03-18 · physics.chem-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPZJ7DAHJ4O6UZF3XYOGLMESVC}

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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	2026-05-18T02:56:05.756601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63f29f8c074f1dea64bbbe1c65b092a8924482a462b7457f780d8bb10bb41f76

Aliases

arxiv: 1403.4448 · arxiv_version: 1403.4448v1 · doi: 10.48550/arxiv.1403.4448 · pith_short_12: MPZJ7DAHJ4O6 · pith_short_16: MPZJ7DAHJ4O6UZF3 · pith_short_8: MPZJ7DAH

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/MPZJ7DAHJ4O6UZF3XYOGLMESVC \
  | 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: 63f29f8c074f1dea64bbbe1c65b092a8924482a462b7457f780d8bb10bb41f76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ccc42f49b36a1e3bf2b9209c919c92e46f37c42619008a455a2e444a656363d",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-03-18T13:42:29Z",
    "title_canon_sha256": "295810927147929134f6c2267c02f237b86ab9f9ab21b2e7b8eee26c0127b3b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4448",
    "kind": "arxiv",
    "version": 1
  }
}