Pith Number

pith:WMRHJ2VW

pith:2016:WMRHJ2VWPCK7O42DA7B4DIVU6L

not attested not anchored not stored refs pending

Equimatchable Claw-Free Graphs

Didem G\"oz\"upek, Hadi Alizadeh, Mordechai Shalom, Saieed Akbari, T{\i}naz Ekim

arxiv:1607.00476 v3 · 2016-07-02 · cs.DM · 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{WMRHJ2VWPCK7O42DA7B4DIVU6L}

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	2026-05-18T00:09:53.347389Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b32274eab67895f7734307c3c1a2b4f2d4ad08ec1096bc19cbe1ab6588090233

Aliases

arxiv: 1607.00476 · arxiv_version: 1607.00476v3 · doi: 10.48550/arxiv.1607.00476 · pith_short_12: WMRHJ2VWPCK7 · pith_short_16: WMRHJ2VWPCK7O42D · pith_short_8: WMRHJ2VW

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/WMRHJ2VWPCK7O42DA7B4DIVU6L \
  | 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: b32274eab67895f7734307c3c1a2b4f2d4ad08ec1096bc19cbe1ab6588090233

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92e91a0c6be2bb4e74e4abecd86c6c160aa04d196199796f7713934c53ea63ab",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2016-07-02T07:52:52Z",
    "title_canon_sha256": "f8de59e8d2cc320d56e5fbb15a9992e2e4c0ea2f22bcddacb691a97b5ef658b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00476",
    "kind": "arxiv",
    "version": 3
  }
}