Pith Number

pith:YR4VZVHT

pith:1997:YR4VZVHT65CSKJJ6J7WVVXBJXE

not attested not anchored not stored refs pending

Van der Waals Energies in Density Functional Theory

Dmitrii E. Makarov, Walter Kohn, Yigal Meir

arxiv:cond-mat/9707328 v1 · 1997-07-30 · cond-mat · physics.atm-clus

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YR4VZVHT65CSKJJ6J7WVVXBJXE}

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	2026-05-18T01:07:07.973848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4795cd4f3f74525253e4fed5adc29b925c4a2af832f05d6827cd87c4d6e019a

Aliases

arxiv: cond-mat/9707328 · arxiv_version: cond-mat/9707328v1 · doi: 10.48550/arxiv.cond-mat/9707328 · pith_short_12: YR4VZVHT65CS · pith_short_16: YR4VZVHT65CSKJJ6 · pith_short_8: YR4VZVHT

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/YR4VZVHT65CSKJJ6J7WVVXBJXE \
  | 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: c4795cd4f3f74525253e4fed5adc29b925c4a2af832f05d6827cd87c4d6e019a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cac2cbad0bf2adee221bf5c0663423f43dbe7bac5eb49bf80379a83509febdb9",
    "cross_cats_sorted": [
      "physics.atm-clus"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1997-07-30T23:49:26Z",
    "title_canon_sha256": "455efa1234df21d410f5d09c5fce8ae7919629db803f5937054359925db8ed3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9707328",
    "kind": "arxiv",
    "version": 1
  }
}