Pith Number

pith:SADMVCY3

pith:2014:SADMVCY3263ILJUI2CHIOFXGYC

not attested not anchored not stored refs pending

Coloring clique-hypergraph of $K_5$-minor-free graphs

Erfang Shan, Liying Kang, Yuxiao Sun

arxiv:1408.3935 v2 · 2014-08-18 · 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{SADMVCY3263ILJUI2CHIOFXGYC}

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	2026-05-18T02:44:41.775866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9006ca8b1bd7b685a688d08e8716e6c080d5569e1b6886bb0742bb2f1fe35a84

Aliases

arxiv: 1408.3935 · arxiv_version: 1408.3935v2 · doi: 10.48550/arxiv.1408.3935 · pith_short_12: SADMVCY3263I · pith_short_16: SADMVCY3263ILJUI · pith_short_8: SADMVCY3

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/SADMVCY3263ILJUI2CHIOFXGYC \
  | 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: 9006ca8b1bd7b685a688d08e8716e6c080d5569e1b6886bb0742bb2f1fe35a84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e07ddbdad130a28bfe9c10b1f7ec852b2c7d2b6efe8795a3485aa98f1c85f41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-18T08:50:55Z",
    "title_canon_sha256": "8723499caea5c9626decfb0980809435322540aabd6e25104dc6d18db402c66b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.3935",
    "kind": "arxiv",
    "version": 2
  }
}