Pith Number

pith:Y26GFIAR

pith:2011:Y26GFIARIW7YV444PMNULNWWEH

not attested not anchored not stored refs pending

3-List Colouring Permutation Graphs

Jessica Enright, Lorna Stewart

arxiv:1104.5009 v2 · 2011-04-26 · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y26GFIARIW7YV444PMNULNWWEH}

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.

Receipt and verification

First computed	2026-05-18T02:22:00.873213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6bc62a01145bf8af39c7b1b45b6d621d90c58942ab10fcd3b8296fea05da386

Aliases

arxiv: 1104.5009 · arxiv_version: 1104.5009v2 · doi: 10.48550/arxiv.1104.5009 · pith_short_12: Y26GFIARIW7Y · pith_short_16: Y26GFIARIW7YV444 · pith_short_8: Y26GFIAR

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/Y26GFIARIW7YV444PMNULNWWEH \
  | 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: c6bc62a01145bf8af39c7b1b45b6d621d90c58942ab10fcd3b8296fea05da386

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33e1e12f891a956e21f5ee6ec60a84a2239ec8940c4297d4050eb8e5dbbd7fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2011-04-26T19:58:46Z",
    "title_canon_sha256": "40128da374e16f723b535fd5160da459ad6b6dd3a16e0a6dfcbe274d0c958ce8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5009",
    "kind": "arxiv",
    "version": 2
  }
}