pith. sign in
Pith Number

pith:TENJF3JA

pith:2012:TENJF3JAS3VC2K67MUWVB24GLL
not attested not anchored not stored refs pending

Effective and efficient approximations of the generalized inverse of the graph Laplacian matrix with an application to current-flow betweenness centrality

Enrico Bozzo, Massimo Franceschet

arxiv:1205.4894 v1 · 2012-05-22 · cs.SI · physics.soc-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TENJF3JAS3VC2K67MUWVB24GLL}

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 2026-05-18T03:55:11.374940Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

991a92ed2096ea2d2bdf652d50eb865acbfdde9c7f3ec081393a950fd35bfd35

Aliases

arxiv: 1205.4894 · arxiv_version: 1205.4894v1 · doi: 10.48550/arxiv.1205.4894 · pith_short_12: TENJF3JAS3VC · pith_short_16: TENJF3JAS3VC2K67 · pith_short_8: TENJF3JA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TENJF3JAS3VC2K67MUWVB24GLL \
  | 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: 991a92ed2096ea2d2bdf652d50eb865acbfdde9c7f3ec081393a950fd35bfd35
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "c50212fd41bed320ef3621ca2fb9d13e4e2ffd91b7858cd452d52b62fb0b8b0c",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-05-22T12:31:37Z",
    "title_canon_sha256": "b02fdaea85c99a54684dde2cd22361f7ee59a3de406a9b62722ddb93216cd587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4894",
    "kind": "arxiv",
    "version": 1
  }
}