Pith Number

pith:I7BSBQ66

pith:2019:I7BSBQ667424S6W5NS6ISO2LTI

not attested not anchored not stored refs pending

Spectral Graph Matching and Regularized Quadratic Relaxations II: Erd\H{o}s-R\'enyi Graphs and Universality

Cheng Mao, Jiaming Xu, Yihong Wu, Zhou Fan

arxiv:1907.08883 v1 · 2019-07-20 · math.PR · cs.LG · math.SP · math.ST · stat.ML · 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{I7BSBQ667424S6W5NS6ISO2LTI}

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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.

Receipt and verification

First computed	2026-05-17T23:40:02.855462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47c320c3deff35c97add6cbc893b4b9a1d7b95365cb644e1a65d83bdeaf5b4ff

Aliases

arxiv: 1907.08883 · arxiv_version: 1907.08883v1 · doi: 10.48550/arxiv.1907.08883 · pith_short_12: I7BSBQ667424 · pith_short_16: I7BSBQ667424S6W5 · pith_short_8: I7BSBQ66

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/I7BSBQ667424S6W5NS6ISO2LTI \
  | 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: 47c320c3deff35c97add6cbc893b4b9a1d7b95365cb644e1a65d83bdeaf5b4ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b79a698a3457313781a3686a8e3e4e8cdd14e11c0ecbda2e0e2095d42d5563d",
    "cross_cats_sorted": [
      "cs.LG",
      "math.SP",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2019-07-20T23:50:02Z",
    "title_canon_sha256": "57b4395f05d39b69fc3611e34db03deba68f6ac0d2a2ac96bd81ff2bb9e56c00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.08883",
    "kind": "arxiv",
    "version": 1
  }
}