Pith Number

pith:ONFNETVH

pith:2009:ONFNETVHLPQWAUS6UAHLWYH256

not attested not anchored not stored refs pending

Belief Propagation and Loop Calculus for the Permanent of a Non-Negative Matrix

Michael Chertkov, Yusuke Watanabe

arxiv:0911.1419 v2 · 2009-11-08 · cs.DS · cond-mat.stat-mech · cs.DM · cs.LG · cs.NA · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONFNETVHLPQWAUS6UAHLWYH256}

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	2026-05-18T02:10:58.375358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734ad24ea75be160525ea00ebb60faefbe91704511d82c4aa80574bb4d7f46d2

Aliases

arxiv: 0911.1419 · arxiv_version: 0911.1419v2 · doi: 10.48550/arxiv.0911.1419 · pith_short_12: ONFNETVHLPQW · pith_short_16: ONFNETVHLPQWAUS6 · pith_short_8: ONFNETVH

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/ONFNETVHLPQWAUS6UAHLWYH256 \
  | 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: 734ad24ea75be160525ea00ebb60faefbe91704511d82c4aa80574bb4d7f46d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b7784c1e719f24e853f280ba6158673462584c780d53951b042fff03b9c864f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cs.DM",
      "cs.LG",
      "cs.NA",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-11-08T04:15:01Z",
    "title_canon_sha256": "ac917d69e646eba224977e4e0106f1a1d8902ce24dc92fea57b8adc2df0c956d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1419",
    "kind": "arxiv",
    "version": 2
  }
}