Pith Number

pith:MEF2TZU2

pith:2010:MEF2TZU262VNAMBK2B5PT4WTNY

not attested not anchored not stored refs pending

Nonlocal van der Waals density functional: The simpler the better

Oleg A. Vydrov, Troy Van Voorhis

arxiv:1009.1421 v2 · 2010-09-07 · physics.chem-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{MEF2TZU262VNAMBK2B5PT4WTNY}

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	2026-05-18T04:32:35.192182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

610ba9e69af6aad0302ad07af9f2d36e3fcbba61c7b2e1ee965fea389dd1ad81

Aliases

arxiv: 1009.1421 · arxiv_version: 1009.1421v2 · doi: 10.48550/arxiv.1009.1421 · pith_short_12: MEF2TZU262VN · pith_short_16: MEF2TZU262VNAMBK · pith_short_8: MEF2TZU2

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/MEF2TZU262VNAMBK2B5PT4WTNY \
  | 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: 610ba9e69af6aad0302ad07af9f2d36e3fcbba61c7b2e1ee965fea389dd1ad81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a4a4a98d168d08802699de37c35c0c04f903310b9c2eeb2192fce439e923e41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2010-09-07T23:03:36Z",
    "title_canon_sha256": "1a53b1a8461e1003449f3d4995d78346451bdfb24e7b78802b34cc15de255d00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1421",
    "kind": "arxiv",
    "version": 2
  }
}