pith. sign in
Pith Number

pith:QSACPSO4

pith:2018:QSACPSO4DUW24S6TUIK7XK6TAF
not attested not anchored not stored refs pending

Forman-Ricci Curvature for Hypergraphs

Guillermo Restrepo, J\"urgen Jost, Peter F. Stadler, Wilmer Leal

arxiv:1811.07825 v1 · 2018-11-19 · cs.DM · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QSACPSO4DUW24S6TUIK7XK6TAF}

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 2026-05-17T23:52:30.036470Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

848027c9dc1d2dae4bd3a215fbabd3016cc69e2c0d065b2a572cf377d0f85961

Aliases

arxiv: 1811.07825 · arxiv_version: 1811.07825v1 · doi: 10.48550/arxiv.1811.07825 · pith_short_12: QSACPSO4DUW2 · pith_short_16: QSACPSO4DUW24S6T · pith_short_8: QSACPSO4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QSACPSO4DUW24S6TUIK7XK6TAF \
  | 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: 848027c9dc1d2dae4bd3a215fbabd3016cc69e2c0d065b2a572cf377d0f85961
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e54d227cc5ba9cc488635861e264e4434660bd93538bae62d11e99c8d67f7317",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2018-11-19T17:38:07Z",
    "title_canon_sha256": "853b2a1ce85a383b520ad8821ed3b0f3a94cacc318fd6388047a09b5754de35d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07825",
    "kind": "arxiv",
    "version": 1
  }
}