Pith Number

pith:BRPQQKAG

pith:2019:BRPQQKAGRNRVD3SHVMAHMLEUQ7

not attested not anchored not stored refs pending

Spectral Graph Matching and Regularized Quadratic Relaxations I: The Gaussian Model

Cheng Mao, Jiaming Xu, Yihong Wu, Zhou Fan

arxiv:1907.08880 v1 · 2019-07-20 · stat.ML · cs.LG · math.PR · math.SP · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BRPQQKAGRNRVD3SHVMAHMLEUQ7}

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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.

Cited by

2 papers in Pith

The feasibility of multi-graph alignment: a Bayesian approach

Receipt and verification

First computed	2026-05-17T23:40:02.871579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c5f0828068b6351ee47ab00762c9487fc7d2f9e3810da05ef7abf95e80723be

Aliases

arxiv: 1907.08880 · arxiv_version: 1907.08880v1 · doi: 10.48550/arxiv.1907.08880 · pith_short_12: BRPQQKAGRNRV · pith_short_16: BRPQQKAGRNRVD3SH · pith_short_8: BRPQQKAG

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/BRPQQKAGRNRVD3SHVMAHMLEUQ7 \
  | 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: 0c5f0828068b6351ee47ab00762c9487fc7d2f9e3810da05ef7abf95e80723be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c3c776e0deef4b519faab40cbd3b61165caf015bd9a494f864911cabf3f4d3",
    "cross_cats_sorted": [
      "cs.LG",
      "math.PR",
      "math.SP",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-07-20T23:36:41Z",
    "title_canon_sha256": "52b13a3f44d922b2b12d38c25e5183209f1e67a82c50df91ce342030da6ae931"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08880",
    "kind": "arxiv",
    "version": 1
  }
}