Pith Number

pith:ELMUCLIF

pith:2011:ELMUCLIFRYCSZ6KAYYDJ4OKA46

not attested not anchored not stored refs pending

The Weisfeiler-Lehman Method and Graph Isomorphism Testing

B. L. Douglas

arxiv:1101.5211 v1 · 2011-01-27 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ELMUCLIFRYCSZ6KAYYDJ4OKA46}

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.

Cited by

2 papers in Pith

How Powerful are Graph Neural Networks?

Semi-Supervised Classification with Graph Convolutional Networks

Receipt and verification

First computed	2026-05-18T04:30:35.918775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22d9412d058e052cf940c6069e3940e7acfad633378aae2a75e3c27039461461

Aliases

arxiv: 1101.5211 · arxiv_version: 1101.5211v1 · doi: 10.48550/arxiv.1101.5211 · pith_short_12: ELMUCLIFRYCS · pith_short_16: ELMUCLIFRYCSZ6KA · pith_short_8: ELMUCLIF

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/ELMUCLIFRYCSZ6KAYYDJ4OKA46 \
  | 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: 22d9412d058e052cf940c6069e3940e7acfad633378aae2a75e3c27039461461

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe2ae3b03ff6fd1c5be63ba711c57642d62b3dad722614224447d374e26764b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-01-27T05:51:11Z",
    "title_canon_sha256": "256ebe2d839683764695636134bb90fab7a54428cbb319647968f6eeef43a86c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5211",
    "kind": "arxiv",
    "version": 1
  }
}