Pith Number

pith:VMY7XXMF

pith:2005:VMY7XXMFPWQ43OPHIMFKTRF4SQ

not attested not anchored not stored refs pending

Ground-state van der Waals forces in planar multilayer magnetodielectrics

Dirk-Gunnar Welsch, Stefan Yoshi Buhmann, Thomas Kampf

arxiv:quant-ph/0502183 v2 · 2005-02-28 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VMY7XXMFPWQ43OPHIMFKTRF4SQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:05:03.033543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab31fbdd857da1cdb9e7430aa9c4bc940e659642f2190cbb48abd922c0df2a68

Aliases

arxiv: quant-ph/0502183 · arxiv_version: quant-ph/0502183v2 · doi: 10.48550/arxiv.quant-ph/0502183 · pith_short_12: VMY7XXMFPWQ4 · pith_short_16: VMY7XXMFPWQ43OPH · pith_short_8: VMY7XXMF

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/VMY7XXMFPWQ43OPHIMFKTRF4SQ \
  | 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: ab31fbdd857da1cdb9e7430aa9c4bc940e659642f2190cbb48abd922c0df2a68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ca9397fdce11ec73d9db27e40d99c8a5f9e666d7592e7d4057783eb786a2e63",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-02-28T11:55:10Z",
    "title_canon_sha256": "d21d4025a639ef02b98d06402234fea94356411f76a2d3b62755c50423bc4089"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0502183",
    "kind": "arxiv",
    "version": 2
  }
}