Pith Number

pith:EQ4WIQCP

pith:2014:EQ4WIQCPSIUDB5YQ7N7PIINYH4

not attested not anchored not stored refs pending

Counting independent sets in graphs

Wojciech Samotij

arxiv:1412.0940 v1 · 2014-12-02 · 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{EQ4WIQCPSIUDB5YQ7N7PIINYH4}

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	2026-05-18T02:32:15.340023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

243964404f922830f710fb7ef421b83f136ae4e0d186b7b25f4c53ec95d0d261

Aliases

arxiv: 1412.0940 · arxiv_version: 1412.0940v1 · doi: 10.48550/arxiv.1412.0940 · pith_short_12: EQ4WIQCPSIUD · pith_short_16: EQ4WIQCPSIUDB5YQ · pith_short_8: EQ4WIQCP

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/EQ4WIQCPSIUDB5YQ7N7PIINYH4 \
  | 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: 243964404f922830f710fb7ef421b83f136ae4e0d186b7b25f4c53ec95d0d261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c7a122b5cb1fe138924d7501d19a7906495575a58daad1729ac0b8f96f42865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-02T15:06:35Z",
    "title_canon_sha256": "6f50944bb52f3843c45b40ad0654db780bdf4197cc6cb81983c2f81af2ad8327"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0940",
    "kind": "arxiv",
    "version": 1
  }
}