Pith Number

pith:NPFXDGEG

pith:2014:NPFXDGEGYWHOOQKL3QKF4VSX3E

not attested not anchored not stored refs pending

On the Analysis of the Discretized Kohn-Sham Density Functional Theory

Michael Ulbrich, Xiao Wang, Xin Liu, Yaxiang Yuan, Zaiwen Wen

arxiv:1402.5052 v1 · 2014-02-20 · physics.comp-ph · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPFXDGEGYWHOOQKL3QKF4VSX3E}

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	2026-05-18T02:58:31.288701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bcb719886c58ee7414bdc145e5657d9207a5c1f7d1865ebb35f0225e9b99bd8

Aliases

arxiv: 1402.5052 · arxiv_version: 1402.5052v1 · doi: 10.48550/arxiv.1402.5052 · pith_short_12: NPFXDGEGYWHO · pith_short_16: NPFXDGEGYWHOOQKL · pith_short_8: NPFXDGEG

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/NPFXDGEGYWHOOQKL3QKF4VSX3E \
  | 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: 6bcb719886c58ee7414bdc145e5657d9207a5c1f7d1865ebb35f0225e9b99bd8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e898ee9374cfedcc2bea3cc2d228c607d3e9566f4cb8c4b10374c7fda50764ac",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2014-02-20T15:52:00Z",
    "title_canon_sha256": "73443b50f4672d630c02125326a5efd0d4ddce77ed1504e60d961aced88818aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5052",
    "kind": "arxiv",
    "version": 1
  }
}