Pith Number

pith:EY2WZM5N

pith:2014:EY2WZM5N3VJBBKMY6VFXAZRFFT

not attested not anchored not stored refs pending

Interpretation of van der Waals density functionals

Elsebeth Schr\"oder, Kristian Berland, Per Hyldgaard

arxiv:1408.2075 v1 · 2014-08-09 · physics.chem-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EY2WZM5N3VJBBKMY6VFXAZRFFT}

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	2026-05-18T01:42:22.265143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26356cb3addd5210a998f54b7066252cf80c16ac16d72ee03ba27c6469912269

Aliases

arxiv: 1408.2075 · arxiv_version: 1408.2075v1 · doi: 10.48550/arxiv.1408.2075 · pith_short_12: EY2WZM5N3VJB · pith_short_16: EY2WZM5N3VJBBKMY · pith_short_8: EY2WZM5N

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/EY2WZM5N3VJBBKMY6VFXAZRFFT \
  | 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: 26356cb3addd5210a998f54b7066252cf80c16ac16d72ee03ba27c6469912269

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5b171880610d0e375c3be5a1db92c569f1ae49150acab93a45bb8deca117f1",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2014-08-09T09:47:26Z",
    "title_canon_sha256": "11ce708112d698d727b3123e081e97ee86b21047d2749042ade6f01bb0346799"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.2075",
    "kind": "arxiv",
    "version": 1
  }
}