Pith Number

pith:SPOGSSHD

pith:2013:SPOGSSHDTEJTL5BFLJPTAKTETQ

not attested not anchored not stored refs pending

Loop Calculus and Bootstrap-Belief Propagation for Perfect Matchings on Arbitrary Graphs

Andrew Gelfand, Jinwoo Shin, Michael Chertkov

arxiv:1306.1267 v1 · 2013-06-05 · cond-mat.stat-mech · cs.AI · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPOGSSHDTEJTL5BFLJPTAKTETQ}

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	2026-05-18T01:49:32.171649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93dc6948e3991335f4255a5f302a649c3031028e100a31ed163f41ec4724bd3e

Aliases

arxiv: 1306.1267 · arxiv_version: 1306.1267v1 · doi: 10.48550/arxiv.1306.1267 · pith_short_12: SPOGSSHDTEJT · pith_short_16: SPOGSSHDTEJTL5BF · pith_short_8: SPOGSSHD

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/SPOGSSHDTEJTL5BFLJPTAKTETQ \
  | 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: 93dc6948e3991335f4255a5f302a649c3031028e100a31ed163f41ec4724bd3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "272b412e1e2bb5b167e9d7384e1069e6ed267bd3c0bda6dea3da652cc7719f04",
    "cross_cats_sorted": [
      "cs.AI",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2013-06-05T23:39:06Z",
    "title_canon_sha256": "184e129940fad49768aba414c63014eb4f73ccf0bca2138646793dce56c74fb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1267",
    "kind": "arxiv",
    "version": 1
  }
}