Pith Number

pith:JWRIPGCA

pith:2015:JWRIPGCA6SYKYQCOAZ5J73K4XJ

not attested not anchored not stored refs pending

Isomorphism Testing for Graphs of Bounded Rank Width

Martin Grohe, Pascal Schweitzer

arxiv:1505.03737 v1 · 2015-05-14 · cs.DM · cs.DS · 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{JWRIPGCA6SYKYQCOAZ5J73K4XJ}

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

1 paper in Pith

On vertex sets inducing tangles

Receipt and verification

First computed	2026-05-18T02:09:53.171710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4da2879840f4b0ac404e067a9fed5cba75c353b5154d7171e840ed522693e1eb

Aliases

arxiv: 1505.03737 · arxiv_version: 1505.03737v1 · doi: 10.48550/arxiv.1505.03737 · pith_short_12: JWRIPGCA6SYK · pith_short_16: JWRIPGCA6SYKYQCO · pith_short_8: JWRIPGCA

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/JWRIPGCA6SYKYQCOAZ5J73K4XJ \
  | 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: 4da2879840f4b0ac404e067a9fed5cba75c353b5154d7171e840ed522693e1eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb77ec37e5ab956bb22bd3e01f48790ceb749c7f40a2a247faf0daa135c03545",
    "cross_cats_sorted": [
      "cs.DS",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-05-14T14:40:15Z",
    "title_canon_sha256": "6368535289b53b53d05f615fd1ab8d42295a0e898fc4fbf57fcd948b7977359a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03737",
    "kind": "arxiv",
    "version": 1
  }
}