Pith Number

pith:XMLNS6HL

pith:2013:XMLNS6HLC6DPM4LNGBZBA4CJAP

not attested not anchored not stored refs pending

Differentiable but exact formulation of density-functional theory

Andrew M. Teale, Simen Kvaal, Trygve Helgaker, Ulf Ekstr\"om

arxiv:1312.3734 v2 · 2013-12-13 · physics.chem-ph · cond-mat.quant-gas · math-ph · math.MP · physics.comp-ph · quant-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{XMLNS6HLC6DPM4LNGBZBA4CJAP}

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	2026-05-18T01:45:50.896995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb16d978eb1786f6716d307210704903d69232e7a8c465977380761a0dabdf21

Aliases

arxiv: 1312.3734 · arxiv_version: 1312.3734v2 · doi: 10.48550/arxiv.1312.3734 · pith_short_12: XMLNS6HLC6DP · pith_short_16: XMLNS6HLC6DPM4LN · pith_short_8: XMLNS6HL

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/XMLNS6HLC6DPM4LNGBZBA4CJAP \
  | 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: bb16d978eb1786f6716d307210704903d69232e7a8c465977380761a0dabdf21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84639f11cd045a2b7b37280e5a7e7bccd95dc2a01142923fb5de6eb38352425c",
    "cross_cats_sorted": [
      "cond-mat.quant-gas",
      "math-ph",
      "math.MP",
      "physics.comp-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-12-13T09:05:44Z",
    "title_canon_sha256": "377cead55280d57b203740a3982e5fe80c0aeeb83e720fd46b37471b48527e77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3734",
    "kind": "arxiv",
    "version": 2
  }
}