Pith Number

pith:COY7PRU5

pith:2013:COY7PRU5CE3F6QJJL4F2QW6CAZ

not attested not anchored not stored refs pending

Local Spin-density Approximation Exchange-correlation Free-energy Functional

James Dufty, S.B. Trickey, Travis Sjostrom, Valentin V. Karasiev

arxiv:1311.4903 v3 · 2013-11-19 · 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{COY7PRU5CE3F6QJJL4F2QW6CAZ}

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	2026-05-18T01:46:22.747065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13b1f7c69d11365f41295f0ba85bc20664911180c05e17eb303c0b0830e48679

Aliases

arxiv: 1311.4903 · arxiv_version: 1311.4903v3 · doi: 10.48550/arxiv.1311.4903 · pith_short_12: COY7PRU5CE3F · pith_short_16: COY7PRU5CE3F6QJJ · pith_short_8: COY7PRU5

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/COY7PRU5CE3F6QJJL4F2QW6CAZ \
  | 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: 13b1f7c69d11365f41295f0ba85bc20664911180c05e17eb303c0b0830e48679

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "618b868f762a5ea5b7d051f611e2212fcd1d63cc27939912ba48d6e702136f86",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2013-11-19T21:56:28Z",
    "title_canon_sha256": "1a113fa4cbeed97f1080dd06ecd559760d7a6c70d954b385a1fc62ef40488109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4903",
    "kind": "arxiv",
    "version": 3
  }
}