Pith Number

pith:MDFF65DL

pith:2006:MDFF65DLZD63TLEKF7KALWKKHB

not attested not anchored not stored refs pending

Comparison of the DFT and field approaches to Van der Waals interactions in planparallel geometry

Gregor Veble, Rudolf Podgornik

arxiv:cond-mat/0612081 v1 · 2006-12-04 · 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{MDFF65DLZD63TLEKF7KALWKKHB}

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	2026-05-18T03:24:30.837731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60ca5f746bc8fdb9ac8a2fd405d94a3859ec59fa69ea38da207a86dbd60171ae

Aliases

arxiv: cond-mat/0612081 · arxiv_version: cond-mat/0612081v1 · doi: 10.48550/arxiv.cond-mat/0612081 · pith_short_12: MDFF65DLZD63 · pith_short_16: MDFF65DLZD63TLEK · pith_short_8: MDFF65DL

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/MDFF65DLZD63TLEKF7KALWKKHB \
  | 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: 60ca5f746bc8fdb9ac8a2fd405d94a3859ec59fa69ea38da207a86dbd60171ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0226c0d1dd69cea71fa62c43616bd9c1b73cd3895223cdf1b9c7265ddd8dfa5d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2006-12-04T12:59:52Z",
    "title_canon_sha256": "74468030e66b8cadcaee4d733f80aac163afd0479474aff488f7f4e52959f530"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0612081",
    "kind": "arxiv",
    "version": 1
  }
}