Pith Number

pith:7ZJMIZVE

pith:2014:7ZJMIZVEZNEXA5M25GEZDOKWHZ

not attested not anchored not stored refs pending

Extending Precolorings to Distinguish Group Actions

Derrick Stolee, Ellen Gethner, Michael Ferrara, Paul S. Wenger, Stephen G. Hartke

arxiv:1405.5558 v1 · 2014-05-21 · 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{7ZJMIZVEZNEXA5M25GEZDOKWHZ}

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	2026-05-18T02:51:16.408586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe52c466a4cb4970759ae98991b9563e725732134a196210ad66c1268a284975

Aliases

arxiv: 1405.5558 · arxiv_version: 1405.5558v1 · doi: 10.48550/arxiv.1405.5558 · pith_short_12: 7ZJMIZVEZNEX · pith_short_16: 7ZJMIZVEZNEXA5M2 · pith_short_8: 7ZJMIZVE

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/7ZJMIZVEZNEXA5M25GEZDOKWHZ \
  | 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: fe52c466a4cb4970759ae98991b9563e725732134a196210ad66c1268a284975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3f60f3ec1901d75268c4a9b0ef413e3b1891600235824be82137827eb927583",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-05-21T21:12:40Z",
    "title_canon_sha256": "1be0e13577719576c9081ebbba52cb7cf0174f16770b168150ac230a56f98b90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.5558",
    "kind": "arxiv",
    "version": 1
  }
}