Pith Number

pith:7TDVUWOA

pith:2018:7TDVUWOA2FMQTLGV4UGALSYXK2

not attested not anchored not stored refs pending

Two faces of greedy leaf removal procedure on graphs

Hai-Jun Zhou, Jin-Hua Zhao

arxiv:1809.05843 v2 · 2018-09-16 · physics.soc-ph · cs.SI

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TDVUWOA2FMQTLGV4UGALSYXK2}

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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

1 paper in Pith

Statistical mechanics of the minimum vertex cover problem in stochastic block models

Receipt and verification

First computed	2026-07-04T23:52:19.265480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc75a59c0d15909acd5e50c05cb17568addebfa7ae5457c0559979043bb04c9

Aliases

arxiv: 1809.05843 · arxiv_version: 1809.05843v2 · doi: 10.48550/arxiv.1809.05843 · pith_short_12: 7TDVUWOA2FMQ · pith_short_16: 7TDVUWOA2FMQTLGV · pith_short_8: 7TDVUWOA

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/7TDVUWOA2FMQTLGV4UGALSYXK2 \
  | 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: fcc75a59c0d15909acd5e50c05cb17568addebfa7ae5457c0559979043bb04c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcd8bdfac233a577c3bab0516d2888a4e6413a8c6837685f2dd0c377523ff804",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-09-16T09:20:40Z",
    "title_canon_sha256": "f5c6e2a6a14ab4abc6932e0c6c7cb945889a3f9cd81093c5e14fd08f3dba9c73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05843",
    "kind": "arxiv",
    "version": 2
  }
}