pith. sign in
Pith Number

pith:UZF52E5C

pith:2007:UZF52E5C2VU5R4HN2USNDI6FJ2
not attested not anchored not stored refs pending

The optimal P3M algorithm for computing electrostatic energies in periodic systems

Ch. Holm, J.J. Cerda, O. Lenz, V. Ballenegger

arxiv:0708.0728 v1 · 2007-08-06 · physics.comp-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UZF52E5C2VU5R4HN2USNDI6FJ2}

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 2026-05-18T04:34:01.557009Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a64bdd13a2d569d8f0edd524d1a3c54e9f032835a9d6f453ce7406f6fd5847b5

Aliases

arxiv: 0708.0728 · arxiv_version: 0708.0728v1 · doi: 10.48550/arxiv.0708.0728 · pith_short_12: UZF52E5C2VU5 · pith_short_16: UZF52E5C2VU5R4HN · pith_short_8: UZF52E5C
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UZF52E5C2VU5R4HN2USNDI6FJ2 \
  | 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: a64bdd13a2d569d8f0edd524d1a3c54e9f032835a9d6f453ce7406f6fd5847b5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "acf1e833213521c7d2d34266e12d3305968ac12a15ea1f8e0673310283610801",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2007-08-06T09:24:26Z",
    "title_canon_sha256": "d54ecd3e2b86696ec7f81d7ad22847ead0cc2755905bb50542d197e013f9a60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0728",
    "kind": "arxiv",
    "version": 1
  }
}